Patent
Suchergebnisse für: PLANIMETER

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Patent:11014604
17.01.2011 E. H. Messiter : Integrating Mechanism [5.03%]
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Patent:11032183
17.01.2011 W. P. Buchan : Integrator for Conveyer Belt Weighting Scales [4.94%]
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Patent:11049186
17.01.2011 F. R. Williams : Planimeter [20.96%]
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Patent:11058148
17.01.2011 W. S. Buvinger : Calculating Instrument [4.93%]
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Patent:11072153
17.01.2011 Ott, Ludwig (P), Ott, Herrmann (P) Ott (P) : Integrator [8.70%]
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Patent:11076525
17.01.2011 L. A. Sheldon : Planimeter [25.59%]
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Patent:11083991
17.01.2011 F. N. Connet : Indicating, Integrating, and Recording Manometer [4.92%]
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Patent:11129872
17.01.2011 K. Keeler : Planimeter [15.05%]
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Patent:11142182
17.01.2011 P. F. W. C. Krippendorf : Computing Device [5.41%]
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Patent:11155303
17.01.2011 A. R. Dodge : Integrating Mechanism for Flow Meters [4.73%]
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Patent:11174649
17.01.2011 J. Airey & K. F. Keeler : Area Meter [10.21%]
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Patent:11186639
17.01.2011 D. R. Yarnall : Constant Speed Integrator [4.76%]
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Patent:11190701
17.01.2011 E. G. Bailey : Integrator [6.49%]
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Patent:11204729
17.01.2011 R. F. Arnott : Recording and Integrating Instrument [5.37%]
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Patent:11208459
17.01.2011 J. F. Denson : Traverse Machine [5.73%]
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Patent:11256234
17.01.2011 F. R. Innes : Mechanism for Integrating Power Current Values [5.81%]
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Patent:11260486
17.01.2011 M. Van Meter : Planimeter [25.15%]
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Patent:11275818
17.01.2011 R. E. Woolley : Measuring Instrument [16.37%]
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Patent:11290170
17.01.2011 G. H. Gibson : Flow Integrating and Recording Instrument [11.04%]
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Patent:11380754
17.01.2011 J. P. Van Bogaert : Integraph and Differentiator [6.29%]
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Patent:11386876
17.01.2011 J. J. Kerr : Planimeter Guide [33.03%]
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Patent:11395310
17.01.2011 F. H. Thompson : Last Measuring Machine [16.10%]
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Patent:11404180
17.01.2011 Willis, Edward (P) : Planimeter [26.45%]
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Patent:11415601
17.01.2011 E. Meitner : Correction Mechanism for Integrating Devices [5.23%]
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Patent:11432375
17.01.2011 H. A. Witt : Apparatus for Integrating Variable Quantities as Regards the Timer [6.82%]
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Patent:11476576
17.01.2011 J. R. Armstrong : Integrating and Registering Device for Fluid Meters [5.05%]
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Patent:11486203
17.01.2011 H. Thun : Apparatus for the Measurement of Plane Surfaces [5.30%]
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Patent:11503498
17.01.2011 J. S. Hadaway : Last Measuring Machine [10.27%]
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Patent:11515988
17.01.2011 J. R. Armstrong et al : Integrating and Registering Device for Fluid Meters [5.36%]
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Patent:11520873
17.01.2011 C. C. Lauritsen : Measuring and Integrating Mechanism [5.49%]
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Patent:11550702
17.01.2011 R. F. Knight : Measuring Apparatus [14.83%]
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Patent:11562963
17.01.2011 O. G. Herm : Automatic Planimeter [81.70%]
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Patent:11572132
17.01.2011 L. Larrazabal Y Fernandez : Planimeter [24.39%]
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Patent:11607537
17.01.2011 J. L. Hodgson : Integrator [18.39%]
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Patent:11618807
17.01.2011 C. F. Bullock : Integrating and Registering Mechanism for Flow Meters and the like [5.72%]
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Patent:11630134
17.01.2011 Puccioni, Corrado : Flow Integrator and Recorder [4.77%]
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Patent:1175295
17.01.2011 Wolf, Ferdinand (P) : Improvements in Planimeters [38.60%]
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Patent:11785525
17.01.2011 M. Morrison : Integrator and Recorder [5.05%]
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Patent:11799134
17.01.2011 A. C. Hardy Gen Electric : Mechanical Integrating Device [4.85%]
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Patent:11829036
17.01.2011 L. A. Biehler : Integrating Device [4.78%]
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Patent:11856039
17.01.2011 T. R. Harrison : Integrating Mechanism for Metering Instruments [5.01%]
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Patent:11892183
17.01.2011 H. H. Gorrie : Integrating Mechanism [8.74%]
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Patent:11912512
17.01.2011 L. E. Church : Integrating Orifice Meter [8.08%]
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Patent:11920024
17.01.2011 H. J. Stehl : Integrating Mechanism [5.20%]
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Patent:1192282
17.01.2011 Metcalfe, Robert Munkman (P) : Planimeter [22.47%]
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Patent:11953328
17.01.2011 R. E. Woolley : Integrating Mechanism [5.18%]
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Patent:11957746
17.01.2011 A. E. Young : Integrating Mechanism [4.82%]
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Patent:11963880
17.01.2011 P. Barthelemy : Friction Operated Mechanism [5.93%]
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Patent:11988357
17.01.2011 Hounsfield, Leslie (P) : Planimeter [18.89%]
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Patent:11994843
17.01.2011 J. A. Weishampel : Planimeter [23.56%]
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Patent:12037356
17.01.2011 F. Von Schütz : Multiplying Gear [5.44%]
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Patent:12050674
17.01.2011 E. F. Stover : Indicating, Recording, and Integrating Fluid Meter [5.33%]
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Patent:12051781
17.01.2011 R. W. Brown : Integrating Control Method and Apparatus for Achieving Uniformity of Avarage Conditions [17.68%]
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Patent:12073246
17.01.2011 H. L. Merrick : Integrating Means [5.04%]
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Patent:12086425
17.01.2011 G. B. Linderman, Jr. : Integrating Apparatus [4.90%]
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Patent:12088568
17.01.2011 J. W. Beecher : Integrating Attachement for Telemetric Systems [4.80%]
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Patent:12094758
17.01.2011 H. G. Smith : Method of Making Measuring Devices [15.13%]
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Patent:12112113
17.01.2011 Rabe, Karl (P) : Drawing Instrument [22.63%]
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Patent:12121082
17.01.2011 T. R. Harrison : Integrator Mechanism for Measuring Instruments [5.05%]
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Patent:12134298
17.01.2011 S. C. Brown : Variator for Weight Integrating Devices [4.91%]
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Patent:12159882
17.01.2011 M. M. Borden : Integrator [5.25%]
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Patent:12185767
17.01.2011 E. S. Jefferies : Measuring and Integrating Device [5.43%]
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Patent:12219429
17.01.2011 E. J. Österberg : Computing Device [6.84%]
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Patent:12228068
17.01.2011 E. J. White : Integrating Apparatus [4.81%]
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Patent:12229947
17.01.2011 T. Weber, Jr. : Integrating Apparatus [18.43%]
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Patent:12239363
17.01.2011 R. W. Gilbert : Integrating Apparatus [5.50%]
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Patent:12264910
17.01.2011 W. H. Kliever : Integrator for Circular Ordinates [16.95%]
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Patent:12266839
17.01.2011 R. A. Ackley : Integrating Device [5.70%]
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Patent:12285675
17.01.2011 H. L. Merrick : Integrating Means [26.07%]
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Patent:12286036
17.01.2011 A. H. Lamb : Integrating Photometer [5.00%]
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Patent:12286297
17.01.2011 H. L. Merrick : Integrating Means [5.34%]
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Patent:12309790
17.01.2011 R. W. Ross : Integrating Apparatus [4.91%]
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Patent:12330606
17.01.2011 C. B. Moore : Integrating Mechanism [5.17%]
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Patent:12332954
17.01.2011 W. G. Trumbower : Integrating Mechanism [5.33%]
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Patent:12343821
17.01.2011 G. Tichauer : Planimeter [15.90%]
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Patent:123480
17.01.2011 Vermehren, Johannes (P) : Rechenmaschine [5.36%]
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Patent:12365937
17.01.2011 J. L. Christmann : Integrator [5.48%]
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Patent:12376108
17.01.2011 M. J. Zucrow : Integrator [4.85%]
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Patent:12398600
17.01.2011 Saltzman, B. E. (P) : Integrating Mechanism [6.08%]
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Patent:12404294
17.01.2011 Jordan, W. B. (P) : Integrator [5.45%]
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Patent:12410550
17.01.2011 Padva, P. (P) : Photoelectric Integrator [5.26%]
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Patent:12414944
17.01.2011 Grimshaw, C. S. (P) : Integrator [5.70%]
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Patent:12437178
17.01.2011 Wharton, A. (P) : Integrator [5.11%]
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Patent:12444329
17.01.2011 Booth, J. G. (P) : Integrator [4.94%]
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Patent:12449310
17.01.2011 Moreau, E. E. (P) : Integrator [9.47%]
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Patent:12458009
17.01.2011 Lory, G. (P) : Square Root Radial Averager [13.37%]
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Patent:12488760
17.01.2011 Brown, S. C. (P) : Weight Integrator [4.85%]
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Patent:12495675
17.01.2011 Porges, Nandor (P) et Hogan, T. Joseph (P) : Planimeter [20.94%]
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Patent:12504167
17.01.2011 Weiss, H. K. (P) : Gun Fire Director Simulator [4.74%]
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Patent:12518797
17.01.2011 Landon, R. W. (P) : Electric Integrating Apparatus [7.45%]
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Patent:12533710
17.01.2011 Biehler, L. A. (P) : Integrating Mechanism [4.72%]
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Patent:12540111
17.01.2011 Glover, R. E. (P) : Reflex Integraph [4.98%]
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Patent:12540310
17.01.2011 Wolf, A. (P) : Integration Device for Radioactivity Measurements [5.34%]
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Patent:12556803
17.01.2011 Eckman, D. P. (P) : Flow Integrating Meter [5.32%]
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Patent:12575951
17.01.2011 Gilbert, R. W. (P) : Integrating Apparatus [5.07%]
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Patent:12586421
17.01.2011 Evers, D. D. (P) : Computing Device [5.14%]
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Patent:1258993
17.01.2011 Coffin, John (P) : Averageometer or Instrument for Measuring the Average Breadth of Irregular Planes [8.71%]
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Patent:12596423
17.01.2011 Miller, C. O. (P) et al : Planimeter [14.43%]
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Patent:12599055
17.01.2011 Heckard, C. L. (P) et al : Integrating Device [4.79%]
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Patent:12605963
17.01.2011 Bohn, D. I. (P) : Meter Integrator and Multiplier [5.44%]
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Patent:12618769
17.01.2011 Österman, E. M. : Speed Regulation for Integrators for Logs [5.80%]
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Patent:12637496
17.01.2011 Sperry, A. F. (P) : Integrator [4.98%]
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Patent:12665065
17.01.2011 Davidson, H. R. (P) : Computer for Integrating Tristimulus Values [4.66%]
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Patent:12672285
17.01.2011 Irwin, R. D. (P) : Integrating Meter [4.98%]
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Patent:12689684
17.01.2011 Laternser, A. (P) : Integrating Mechanism [4.93%]
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Patent:12690871
17.01.2011 Shannon, J. F. (P) : Integrating Mechanism [8.76%]
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Patent:12750109
17.01.2011 Lewis, J. O. (P) : Apparatus for Integrating a Variable Against Time [5.11%]
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Patent:12754057
17.01.2011 Stahl, W. H. (P) : Reverse-Flow Integrating Apparatus [5.05%]
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Patent:12768785
17.01.2011 Silvertooth, E. W. (P) Librascope (P) inc. : Planimeter [11.82%]
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Patent:12769591
17.01.2011 Zamboni, P. (P) : Integrating Mechanism [5.14%]
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Patent:12796668
17.01.2011 S. Protopapa et al : Internal Planimeter [15.02%]
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Patent:12820303
17.01.2011 H. J. Dudenhausen : Integrating Turn Indicator [25.35%]
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Patent:12841330
17.01.2011 N. Brewer et al : Magnetic-Clutch Integrator [4.30%]
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Patent:12864170
17.01.2011 H. Wiedemann : Planimeter [20.90%]
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Patent:12873911
17.01.2011 W. L. Perrine : Mechanical Integrating Apparatus [4.77%]
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Patent:12877669
17.01.2011 J. F. Shannon : Integrating Mechanism [4.81%]
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Patent:12898531
17.01.2011 J. W. Gray : Motor Differential Frequency Integrator [4.99%]
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Patent:12899861
17.01.2011 Ott, Herrmann (P) Ott (P) : Follower Magnifier for Planimeter or Similar Instruments [9.18%]
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Patent:12908188
17.01.2011 L. A. Maybarduk : Mechanical Integrator [4.79%]
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Patent:12919578
17.01.2011 R. L. Sink : Integration System [5.97%]
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Patent:12919605
17.01.2011 L. A. Maybarduk : Mechanical Integrator [5.12%]
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Patent:12923468
17.01.2011 S. Rappaport : Component Solving and Integrating System [6.75%]
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Patent:12927252
17.01.2011 N. Hartley : Integrating Instrument [4.77%]
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Patent:12936951
17.01.2011 A. J. Maher, Jr. : Method and Apparatus for Accurate Analog Integration of Time Functions [7.22%]
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Patent:12967749
17.01.2011 A. Strickler : Integrating Method and Apparatus [5.47%]
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Patent:12968949
17.01.2011 H. A. Lassen : Integrating Accelerometer [5.35%]
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Patent:12993278
17.01.2011 G. Lory : Area Measuring Instrument [21.37%]
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Patent:12994479
17.01.2011 A. I. Chapman, Jr. : Electro-Mechanical Integration [5.78%]
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Patent:12998291
17.01.2011 N. D. Coggeshall et al : Recording Integrator [5.29%]
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Patent:13003687
17.01.2011 C. C. Bell : Time Integrating System [5.15%]
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Patent:13009362
17.01.2011 J. L. Christmann : Integrating Means [5.43%]
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Patent:13012435
17.01.2011 V. Brising : Apparatus for Integrating Measurements of Variable Physical Quantities of Flowing Media [6.91%]
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Patent:1301594
17.01.2011 E. Higgins : Planimeter [14.68%]
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Patent:13018553
17.01.2011 T. L. Franklin et al : Mechanical Integrator [5.53%]
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Patent:13023505
17.01.2011 G. Lory : Area Measuring Instrument [14.25%]
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Patent:13028213
17.01.2011 W. K. Hall et al : Measuring and Recording Integrator Having Control Means [27.38%]
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Patent:13030012
17.01.2011 R. F. Mershon et al : Sine-Cosine Integrator [5.10%]
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Patent:13040587
17.01.2011 L. W. Imm : Integrating Mechanism [4.92%]
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Patent:13040979
17.01.2011 D. Brown : Slip Compensator for Mechanical Integrators [8.32%]
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Patent:13070303
17.01.2011 C. A. Schad : Movable Light Path Integrator [4.95%]
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Patent:13079794
17.01.2011 P. B. MacCready, Jr. : Analog Digital Function Product Integrator [5.17%]
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Patent:13104056
17.01.2011 G. M. Cross : Integrating Mount for Brushes and the like [5.05%]
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Patent:13110967
17.01.2011 H. Wiley : Planimeter Device [20.48%]
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Patent:13111263
17.01.2011 C. W. Chillson : Mechanical Integrating Device [5.38%]
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Patent:13161355
17.01.2011 E. S. Messer : Integrator and Counter Means Therefor [5.08%]
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Patent:13198429
17.01.2011 H. L. Williams : Integrating Means [5.04%]
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Patent:13243109
17.01.2011 W.Bliese : Device for Integrating Equidirectional Movement of a Reciprocating Object [5.29%]
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Patent:13281070
17.01.2011 J. L. Christmann : Integrating a Variable Load Traveling at a Variable Speed [7.18%]
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Patent:13322339
17.01.2011 C. B. Nolte : Flow Meter Integrator [4.69%]
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Patent:13344985
17.01.2011 E. S. Messer : Integrating and Averaging System [19.34%]
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Patent:1336812
17.01.2011 E. Kimmel & E.E. Claussen : Planimeter [24.66%]
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Patent:1342355
17.01.2011 Dall, Horace Edward (P) & George Kent Ltd : Improvements in Planimeters [32.12%]
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Patent:1357818
17.01.2011 Seemann, Rosa Aloisia (P) : Improvements in Planimeters [32.27%]
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Patent:1360867
17.01.2011 C.E. Emery : Planimeter [20.98%]
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Patent:13635083
17.01.2011 Thomas R. Vaughn : Fluid Pressure Time Integrator [21.87%]
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Patent:13719800
17.01.2011 William P. Weaver : Integrator Compensator for Improving Accuracy [11.13%]
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Patent:1458968
17.01.2011 A.B. Calkins : Polar Planimeter [24.62%]
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Patent:14616419
17.01.2011 Kubo, Akio (655, Yamanouchi Kamakura shi Kanagawaken, JP) : Measuring device for a figure [8.55%]
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Patent:1496562
17.01.2011 Goodman, John (P) : Planimeter [28.19%]
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Patent:1500202
17.01.2011 Goodman, John (P) : Planimeter [28.04%]
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Patent:1529008
17.01.2011 Willis, Edward (P) : Planimeter [26.17%]
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Patent:1529365
17.01.2011 F. N. Connet & W. W. Jackson : Integrating Apparatus [40.41%]
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Patent:1542511
17.01.2011 Willis, Edward (P) : Planimeter [27.91%]
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Patent:1569107
17.01.2011 Lippincott, Alpheus (P) : Planimeter [24.00%]
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Patent:1575105
17.01.2011 B. E. Chollar : Planimeter [28.47%]
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Patent:1616253
17.01.2011 Kern und Co (P) Ltd : Planimeter [49.39%]
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Patent:1616254
17.01.2011 Kern und Co (P) Ltd : Planimeter with an optical reading-off device [45.33%]
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Patent:16412
17.01.2011 Seemann, Alfons (P) Schindler, Friedrich (P) Schindler, Max (P) : Planimetr, zvláte pro kui [56.82%]
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Patent:1672581
17.01.2011 Willis, Edward (P) : Planimeter [25.52%]
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Patent:1689978
17.01.2011 Lippincott, Alpheus C. (P) : Planimeter [20.66%]
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Patent:1700732
17.01.2011 B. W. Bryan : Planimeter [29.53%]
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Patent:1718166
17.01.2011 L. T. Snow Bushnell (P) : Planimeter [22.38%]
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Patent:1740826
17.01.2011 Fuller, John Rodney Dyson (P) Bristol Aeroplane (P) Co Ltd : Improvements in or relating to Planimeters and like mechanical integrating apparatus [45.93%]
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Patent:1746427
17.01.2011 F. R. Williams : Planimeter [21.08%]
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Patent:1752054
17.01.2011 Ott, Hermann (P) : Mounting for the measuring roller of Planimeters or the like [20.53%]
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Patent:1752470
17.01.2011 R. Schierbeck : Measuring Instrument [9.39%]
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Patent:1783568
17.01.2011 E. F. Chase : Planimeter [26.16%]
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Patent:1801843
17.01.2011 Ott, Hermann (P) : Measuring roller for Planimeters [20.25%]
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Patent:1809019
17.01.2011 E. McC. Scoville : Planimeter [25.46%]
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Patent:1812674
17.01.2011 V. Osborne : Planimeter [15.03%]
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Patent:1831200
17.01.2011 Taylor, Jack (P) British Thomson Houston Co Ltd : Improvements relating to the measurement of small areas [37.96%]
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Patent:1834365
17.01.2011 P. J. Darlington : Integrating Machine [5.20%]
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Patent:1838237
17.01.2011 Adegboye Akinwunmi : An instrument for measuring areas [37.31%]
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Patent:1844195
17.01.2011 E. McC. Scoville : Planimeter [23.49%]
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Patent:1845753
17.01.2011 E. L. Campbell : Plotting Instrument [8.92%]
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Patent:1861268
17.01.2011 Coradi, Gottlieb (P) : Planimeter for Measuring the Areas of Leather, Hides, &c [20.82%]
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Patent:1917547
17.01.2011 S. F. Connolly & V. Osborne : Planimeter [31.20%]
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Patent:1920025
17.01.2011 F. N. Connet : Integrating Device and Recording Manometer [4.94%]
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Patent:1931774
17.01.2011 H. L. E. Krueger : Measuring Instrument [8.88%]
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Patent:1954869
17.01.2011 H. L. Merrick : Integrating Device [8.16%]
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Patent:1954870
17.01.2011 H. L. Merrick : Integrating Device [11.58%]
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Patent:1961836
17.01.2011 F.C. Blanchard, E.B. Crocker & P.G. Darling : Planimeter [30.69%]
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Patent:1992094
17.01.2011 Babel, Michael (P) : Planimeter [46.12%]
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Patent:1RE11568
17.01.2011 Willis, Edward (P) : Planimeter [15.01%]
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Patent:1RE20834
17.01.2011 K. Rabe : Drawing Instrument [22.11%]

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Patent:AT194148B
15.03.1957 A. Ott (P) Math. Mech. Institut : Meßrolle für Planimeter [39.98%]
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Patent:AT194626B
15.04.1957 A. Ott (P) Math. Mech. Institut : Meßrollenlagerung für Planimeter od. dgl. [39.98%]
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Patent:AT195661B
15.06.1957 Babel, Michael (P) : Planimeter od. ähnl. Gerät [39.55%]
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Patent:AT26205B
25.06.1905 Totschnig, Hieronymus : Planimeter [20.36%]
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Patent:AT29916B
01.05.1907 Coradi, Gottlieb (P) Coradi (P) : Planimeter zur Bestimmung des Flächeninhaltes von Leder oder dgl. [56.47%]
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Patent:AT51591B
01.08.1911 Bikfalvy, Josef : Planimeter [40.41%]
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Patent:AT74826B
15.05.1917 Müller, Oskar; Tuma, Karl : Planimeter zur Bestimmung des Flächeninhaltes von Leder oder dgl. [38.33%]
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Patent:AT81098
25.08.1920 Seemann, Alfons (P); Schindler, Friedrich (P); Schindler, Max (P) : Planimeter, insbesondere für Leder [67.78%]
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Patent:AT81098B
15.07.1919 Seemann, Alfons (P); Schindler, Friedrich (P); Schindler, Max (P) : Planimeter, insbesondere für Leder [67.78%]
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Patent:AT94593B
15.04.1923 Strager, Egon (P) : Planimeter, insbesondere zum Messen von Leder [39.55%]
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Patent:AT95100B
15.06.1923 Seemann, Alfons (P) : Stangen-Fadenplanimeter, insbesondere zum Messen großer Lederflächen [38.33%]
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Patent:AT95114B
03.10.1922 Seemann, Alfons (P) : Zahnstangen-Planimeter [19.25%]

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Patent:CA164067
03.08.1915 Karl Keeler Keeler, Airey, Sadler Partnership
: Planimeter [35.84%]
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Patent:CA524847
08.05.1956 Librascope (P) : Integrator [41.31%]
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Patent:CA54782
28.01.1897 Lippincott, Alpheus (P)
: Planimeter [41.31%]
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Patent:CA567942
23.12.1958 Hans Wiedemann Keuffel and Esser Comp.
: Planimeter [39.98%]

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Patent:CS100880
13.01.1960 Krempasky, Julius (P) Macko, Pavol (P) : Polárny planimeter na meranie plôch priecnych prierezov telies [37.55%]
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Patent:CS203578
31.03.1981 Ladislav, Kokta (P) : Digital planimeter [40.86%]

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Patent:DE1183251
10.12.1964 Babel, Michael (P) : Nullstelleinrichtung für ein Planimeter oder ein planimeterähnliches Gerät [38.73%]
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Patent:DE12377
15.07.1880 Hohmann, Friedrich (P) und Coradi, Gottlieb (P) Coradi (P) : Polarplanimeter [16.03%]
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Patent:DE13646
15.07.1880 Klinkerfues, W. (P) : Rectificirender Planimeter, Ellipsograph und Pantograph [67.10%]
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Patent:DE1629107U
11.10.1951 Breitling, Paul (P) : Planimeter [40.41%]
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Patent:DE1647345U
27.11.1952 Breitling, Paul (P) : Planimeter zur messung von kleinen unregelmässigen flächen [38.73%]
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Patent:DE1811224U
12.05.1960 Haff, Heinrich : Nachfahrlupe, insbesondere für Planimeter und ähnliche Nachfahrinstrumente [39.13%]
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Patent:DE1818882U
29.09.1960 Babel, Michael (P) : Planimeter [40.41%]
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Patent:DE1843824U
21.12.1961 Gebrüder Haff GmbH : Planimeter [39.98%]
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Patent:DE201785
25.07.1907 E.O. Richter und Co. : Stangenplanimeter mit einem auf Rädern ruhende Wagen [38.33%]
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Patent:DE22558
13.09.1882 Kloth, Friedrich (P) : Combination des Wetli-Hansenschen und Amslerschen Planimeters [39.13%]
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Patent:DE238499
01.11.1910 Schnöckel, Johannes : Optisches Planimeter [40.41%]
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Patent:DE267793
01.05.1913 Firma G. Coradi : Rolling planimeter [40.41%]
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Patent:DE272872
08.11.1911 Béla Bencze : Polar planimeter [39.98%]
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Patent:DE2904890
14.08.1980 Bittner, Gerhard; Latrany, Jenö : Einarm-Planimeter [18.81%]
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Patent:DE333596
03.03.1921 Seemann, Alfons (P); Schindler, Friedrich (P); Schindler, Max (P) : Planimeter [66.09%]
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Patent:DE382932
03.02.1922 Neuroth, Fritz : Planimeter [40.86%]
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Patent:DE391171
27.08.1922 Rubli, Fritz (P) : Messinstrument [10.00%]
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Patent:DE400650
28.09.1923 Neuroth, Fritz : Planimeter [40.41%]
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Patent:DE437753
10.05.1925 Kirchner, Rudolf Siemens und Halske (P) AG : Planimeter zur Auswertung von registrierten Kurven [38.33%]
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Patent:DE441881
16.03.1927 Schnoeckel, Johannes (P) : Vektorplanimeter [50.27%]
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Patent:DE51037
11.07.1889 Otto Fennel : Flächenmesser für Dreiecke [67.10%]
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Patent:DE523152
08.06.1927 Republic Flow Meters Co. : Planimeter zur Bestimmung der Durchschnittsradien von Aufzeichnungen auf einer Kreiskarte [38.33%]
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Patent:DE586914
03.04.1931 Lewin, Henri : Planimeter [40.86%]
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Patent:DE628910
04.11.1930 George Kent Ltd. : Planimeter [40.86%]
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Patent:DE653354
20.11.1937 E.H. Viktor Graf : Aus einer an einem Führungsarm von Zeichenmaschinen anklemmbaren Tragplatte bestehende Befestigungsvorrichtung für Planimeter [37.18%]
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Patent:DE669288
08.10.1935 Aerial Explorations Inc. : Planimeter und Verfahren zur Ausführung von Flächenmessungen [39.55%]
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Patent:DE74288
29.09.1893 Coradi, G. (P) : Polarplanimeter [20.31%]
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Patent:DE78714
28.04.1894 Mönkemöller : Planimeter [16.73%]
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Patent:DE811622
23.08.1951 Emilie Riedle, geb. Pletzer : Nullstelleinrichtung für Planimeter und planimeterähnliche Geräte [38.73%]

-
Patent:ES0173433
04.05.1946 Jorge Eugenio de Castro Rodríguez, Emilio González Hernández : Un sistema de planímetro ortogonal [37.18%]
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Patent:ES2111473
01.03.1998 Gomez Mataix, Gonzalo : Planimeter for measuring irregular areas and method of use. [6.69%]
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Patent:ES323
30.06.1879 Ubillos Echenique, Leoncio (P) : Poligómetro o medio mecánico para el cálculo de áreas de los polígonos [36.81%]

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Patent:FI9560
06.04.1923 Wietti Nykænen : Pinta-alanlaskukone / Planimeter [60.68%]

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Patent:FR202216
10.08.1891 John Goodman : Planimeter [40.86%]
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Patent:FR592652
06.08.1925 Otto Senn : Système de planimètre pour mesurer la surface des cuirs [60.69%]

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Patent:GB1110070
18.04.1968 List, Hans (P) : Apparatus for calculating the integrals of time-dependent functions [8.94%]
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Patent:GB118939
19.09.1918 George, William George (P) : An Area Meter for Measuring the Extent of Ground Cultivated by a Plough [21.70%]
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Patent:GB147139
05.05.1921 Thun, Hermann (P) : Surface measuring machine particularly for leather [21.78%]
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Patent:GB149672
05.05.1921 Krupp (P) AG : Improvements in machines for measuring areas of leather or the like [22.35%]
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Patent:GB150689
30.06.1921 Krupp (P) AG : Improvements in or relating to area measuring machines particularly intended for the measurement of leather [22.59%]
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Patent:GB152682
21.10.1919 Krupp (P) AG : Improvements in and relating to surface measuring apparatus [12.48%]
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Patent:GB185502752
02.05.1855 R. Bodmer : An improved planimeter [41.31%]
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Patent:GB185602753
11.01.1856 Amsler, Jakob (P) : Improved planimeter [40.41%]
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Patent:GB189503186
20.07.1895 Willis, Edward (P) : Improvements in Planimeters, and Appliances to be employed therewith [31.01%]
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Patent:GB190000734
31.03.1900 Otto Richter : A Combined Planimeter and Pantograph [39.98%]
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Patent:GB190701065
15.01.1907 Coradi, Gottlieb (P) : Planimeter [56.82%]
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Patent:GB190805286
15.10.1908 Merrick, Herbert Lansing (P) : Integrating-mechanism for measuring-apparatus [23.21%]
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Patent:GB2220077
28.12.1989 Tottenham Hugh : DigitalPlanimeter [30.49%]
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Patent:GB248620
11.03.1926 Francesco Poggi und Umberto Emanuele : Improvements in or relating to calculating devices [9.49%]
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Patent:GB290181
01.11.1928 Jean Ansermot : Apparatus for measuring surfaces [9.72%]
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Patent:GB313157
15.10.1930 Askania (P) Werke AG : Improvements in or relating to calculating devices [24.47%]
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Patent:GB377514
28.10.1931 Hounsfield, Leslie (P) : Planimeter [60.88%]
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Patent:GB6087
22.04.1890 Goodman, John (P) : Planimeter [62.43%]
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Patent:GB938100
25.09.1963 Arrowsmith, John Richard (P) Emi Ltd : Improvements in or relating to circuit arrangements for calculating the area under acurve [21.43%]

-
Patent:HU173993
28.10.1979 Ernoe Bayer Foeldmeresi Intezet : Digital planimeter [39.98%]
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Patent:HU186328
29.07.1985 Laszlo Szekeres : Method and circuit arrangement to high-accuracy planimeter of scanning tube [38.33%]

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Patent:NL6914603
06.04.1970 Test, S.A. d'Etudes Techniques : Digitale integrator [38.73%]

-
Patent:PL230475
15.02.1982 Majewski Mieczyslaw : Rotational-TransmissionPlanimeter [60.09%]
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Patent:PL256616
10.08.1987 Zurawel Wladyslaw : Photoresistance TypePlanimeter [60.09%]
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Patent:PL325405
27.09.1999 Sroka Kazimierz : Planimeter [56.82%]
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Patent:PL3821
19.12.1925 Wolf, Ferdinand (P) : Nitkowy planimetr biegunowy [39.55%]
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Patent:PL7152
14.03.1927 Maschinenfabrik Turner A.-G. : Maszyna do mierzenia powierzchni plaskich, zwlaszcza skóry [38.33%]
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Patent:PL7585
19.05.1927 Maschinenfabrik Turner A.-G. : Przyrzad odczytowy do maszyn do mierzenia powierzchni, w szczególnosci powierzchni skóry. [35.69%]

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Patent:SE32704
29.05.1911 S. S:sen Ringi : Anordning vid yzplanimetrar [14.84%]
-
Patent:SE92159
07.10.1935 H. G. Smith Aerial Explorations Inc.,
: Planimeter [40.41%]

-
Patent:SU1216630
07.03.1986 Pavel V. Shilin : Transparency for selecting mounted place of polar planimeter pole [38.73%]
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Patent:SU1232928
23.05.1986 Anatolij S. Dubov : Planimeter [41.31%]
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Patent:SU1295203
07.03.1987 Aleksandr A. Dubrov Iosif D. Goldin Kh I. Radioelektroniki : Planimeter [39.98%]
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Patent:SU1392336
30.04.1988 Evgenij G. Volovik : Following device of planimeter [40.86%]
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Patent:SU1421978
07.09.1988 Maryan G. Petyukevich : Planimeter [41.31%]
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Patent:SU1460216
23.02.1989 Evgenij S. Yablokov : Deep-well cavern meter/planimeter [39.98%]
-
Patent:SU1525495
30.11.1989 Ramil V. Stepanov Bairak Z. Sultanov Ufimsk Neftyanoj Inst : Rotary planimeter [38.73%]
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Patent:SU1557461
15.04.1990 Anatolij Ya. Shenfeld Valentina A. Kandrikina Le Polt I IM M I Kalinina : Planimeter [39.55%]
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Patent:SU1573334
23.06.1990 Sergej Yu. Danilov : Planimeter [41.31%]
-
Patent:SU1597618
07.10.1990 Igor P. Deshko Konstantin V. Molchanov MO I Radiotech : Digital planimeter [39.55%]
-
Patent:SU1613845
15.12.1990 Maryan G. Petyukevich : Planimeter [41.31%]
-
Patent:SU1717333
07.03.1992 Elmir A. Ajzuppe Vladimir G. Sechkin Vnii Razrabotki Ekspluatatsii : Planimeter for mechanical wrench [38.33%]
-
Patent:SU1762106
15.09.1992 Evgenij A. Korzhavin Novosib Nii Aviat T Organizats : Planimeter for computing area on topographic map [38.73%]
-
Patent:SU25740
31.07.1931 Tikhonen, A.P. (P) : Planimeter für Mosaikvirus-betroffenes Obst [60.09%]
-
Patent:SU28332
12.02.1931 Fajnerman, I.D. (P) : Planimeter [41.77%]
-
Patent:SU627307
05.10.1978 Ivan A. Grigorashchenko : Planimeter [41.31%]
-
Patent:SU870996
07.10.1981 Valentin S. Durnev Nota O. Botvinik : Planimeter [40.41%]
-
Patent:SU872988
15.10.1981 Pavel I. Sidorenko Igor V. Plakhetko Inst Burovoi Tekhnik (SU) : Rotary planimeter [38.73%]
-
Patent:SU896374
07.01.1982 Rauf O. Burdin Leonid M. Kokoz Azovsko Chernomorskij Nii Mors : Planimeter [39.13%]

-
Patent:US1314463
26.08.1919 Bristol, Edgar H. Foxboro Co. : Planimeter [55.34%]
-
Patent:US1638984
16.08.1927 Cunningham Arthur B : Radial averaging Planimeter [9.12%]
-
Patent:US1650490
22.11.1927 Brown, Willis C. and Spink, Leland K. Foxboro Co. of Foxboro (MA) : Planimeter [12.53%]
-
Patent:US1661096
28.02.1928 Rowe, Joseph Eugene (P) : Mathematical Instrument [39.13%]
-
Patent:US1670512
22.05.1928 Andre Koronski, Heacock, Ralph (P) : Machine for calculating moments of inertia [13.00%]
-
Patent:US1844905
09.02.1932 Schweydar, Wilhelm (P) Askania (P) : Planimeter for computing forces [14.35%]
-
Patent:US1867441
12.07.1932 Edward Dall Horace : Planimeter [22.76%]
-
Patent:US1892957
03.01.1933 Lehr, Paul (P) : Planimeter [19.67%]
-
Patent:US1989223
29.01.1935 Barr, John M. The Integraph Company : Graphic calculating device [4.74%]
-
Patent:US2360545
17.10.1944 Bond William, Sellers Alexander : HidePlanimeter [16.13%]
-
Patent:US2360594
17.10.1944 Ladner Lawrence, Stout Frederick, Bond William : Hide Planimeter [13.44%]
-
Patent:US2602338
08.07.1952 Librascope (P) : Integrator [41.31%]
-
Patent:US2748487
05.06.1956 Hans-Gerhard Zimmermann : Planimeter [10.81%]
-
Patent:US2802272
13.08.1957 Martin Warren, Kuykendall Roy : Area calculator [7.50%]
-
Patent:US2850232
02.09.1958 G. E. Hagen : Machine for Digital Differential Analysis [39.98%]
-
Patent:US2889626
09.06.1959 In-Meei Neon : Mechanical Integrator [40.41%]
-
Patent:US3571932
23.03.1971 Peddie John : DigitalPlanimeter [24.26%]
-
Patent:US771363
04.10.1904 Ferris, Walter : Interating Apparatus for Water Meters [39.55%]
-
Patent:US825363
10.07.1906 Vermehren, Johannes (P) : Calculating Machine [39.13%]
-
Patent:US927338
06.07.1909 F. W. Durand : Planimeter [56.82%]