Patent
Suchergebnisse für: Planimeter

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Patent:11014604
17.01.2011 E. H. Messiter : Integrating Mechanism
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Patent:11032183
17.01.2011 W. P. Buchan : Integrator for Conveyer Belt Weighting Scales
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Patent:11049186
17.01.2011 F. R. Williams : Planimeter
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Patent:11058148
17.01.2011 W. S. Buvinger : Calculating Instrument
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Patent:11076525
17.01.2011 L. A. Sheldon : Planimeter
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Patent:11083991
17.01.2011 F. N. Connet : Indicating, Integrating, and Recording Manometer
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Patent:11129872
17.01.2011 K. Keeler : Planimeter
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Patent:11142182
17.01.2011 P. F. W. C. Krippendorf : Computing Device
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Patent:11155303
17.01.2011 A. R. Dodge : Integrating Mechanism for Flow Meters
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Patent:11174649
17.01.2011 J. Airey & K. F. Keeler : Area Meter
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Patent:11186639
17.01.2011 D. R. Yarnall : Constant Speed Integrator
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Patent:11190701
17.01.2011 E. G. Bailey : Integrator
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Patent:11204729
17.01.2011 R. F. Arnott : Recording and Integrating Instrument
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Patent:11208459
17.01.2011 J. F. Denson : Traverse Machine
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Patent:11256234
17.01.2011 F. R. Innes : Mechanism for Integrating Power Current Values
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Patent:11260486
17.01.2011 M. Van Meter : Planimeter
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Patent:11275818
17.01.2011 R. E. Woolley : Measuring Instrument
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Patent:11290170
17.01.2011 G. H. Gibson : Flow Integrating and Recording Instrument
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Patent:11380754
17.01.2011 J. P. Van Bogaert : Integraph and Differentiator
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Patent:11386876
17.01.2011 J. J. Kerr : Planimeter Guide
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Patent:11404180
17.01.2011 Willis, Edward (P) : Planimeter
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Patent:11415601
17.01.2011 E. Meitner : Correction Mechanism for Integrating Devices
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Patent:11432375
17.01.2011 H. A. Witt : Apparatus for Integrating Variable Quantities as Regards the Timer
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Patent:11476576
17.01.2011 J. R. Armstrong : Integrating and Registering Device for Fluid Meters
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Patent:11486203
17.01.2011 H. Thun : Apparatus for the Measurement of Plane Surfaces
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Patent:11515988
17.01.2011 J. R. Armstrong et al : Integrating and Registering Device for Fluid Meters
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Patent:11520873
17.01.2011 C. C. Lauritsen : Measuring and Integrating Mechanism
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Patent:11562963
17.01.2011 O. G. Herm : Automatic Planimeter
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Patent:11572132
17.01.2011 L. Larrazabal Y Fernandez : Planimeter
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Patent:11607537
17.01.2011 J. L. Hodgson : Integrator
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Patent:11618807
17.01.2011 C. F. Bullock : Integrating and Registering Mechanism for Flow Meters and the like
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Patent:11630134
17.01.2011 Puccioni, Corrado : Flow Integrator and Recorder
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Patent:1175295
17.01.2011 Wolf, Ferdinand (P) : Improvements in Planimeters
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Patent:11785525
17.01.2011 M. Morrison : Integrator and Recorder
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Patent:11799134
17.01.2011 A. C. Hardy Gen Electric : Mechanical Integrating Device
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Patent:11829036
17.01.2011 L. A. Biehler : Integrating Device
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Patent:11856039
17.01.2011 T. R. Harrison : Integrating Mechanism for Metering Instruments
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Patent:11892183
17.01.2011 H. H. Gorrie : Integrating Mechanism
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Patent:11912512
17.01.2011 L. E. Church : Integrating Orifice Meter
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Patent:11920024
17.01.2011 H. J. Stehl : Integrating Mechanism
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Patent:1192282
17.01.2011 Metcalfe, Robert Munkman (P) : Planimeter
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Patent:11953328
17.01.2011 R. E. Woolley : Integrating Mechanism
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Patent:11957746
17.01.2011 A. E. Young : Integrating Mechanism
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Patent:11988357
17.01.2011 Hounsfield, Leslie (P) : Planimeter
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Patent:11994843
17.01.2011 J. A. Weishampel : Planimeter
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Patent:12037356
17.01.2011 F. Von Schütz : Multiplying Gear
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Patent:12050674
17.01.2011 E. F. Stover : Indicating, Recording, and Integrating Fluid Meter
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Patent:12051781
17.01.2011 R. W. Brown : Integrating Control Method and Apparatus for Achieving Uniformity of Avarage Conditions
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Patent:12073246
17.01.2011 H. L. Merrick : Integrating Means
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Patent:12086425
17.01.2011 G. B. Linderman, Jr. : Integrating Apparatus
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Patent:12088568
17.01.2011 J. W. Beecher : Integrating Attachement for Telemetric Systems
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Patent:12112113
17.01.2011 Rabe, Karl (P) : Drawing Instrument
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Patent:12121082
17.01.2011 T. R. Harrison : Integrator Mechanism for Measuring Instruments
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Patent:12134298
17.01.2011 S. C. Brown : Variator for Weight Integrating Devices
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Patent:12159882
17.01.2011 M. M. Borden : Integrator
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Patent:12185767
17.01.2011 E. S. Jefferies : Measuring and Integrating Device
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Patent:12228068
17.01.2011 E. J. White : Integrating Apparatus
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Patent:12229947
17.01.2011 T. Weber, Jr. : Integrating Apparatus
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Patent:12239363
17.01.2011 R. W. Gilbert : Integrating Apparatus
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Patent:12264910
17.01.2011 W. H. Kliever : Integrator for Circular Ordinates
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Patent:12266839
17.01.2011 R. A. Ackley : Integrating Device
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Patent:12285675
17.01.2011 H. L. Merrick : Integrating Means
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Patent:12286036
17.01.2011 A. H. Lamb : Integrating Photometer
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Patent:12286297
17.01.2011 H. L. Merrick : Integrating Means
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Patent:12309790
17.01.2011 R. W. Ross : Integrating Apparatus
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Patent:12330606
17.01.2011 C. B. Moore : Integrating Mechanism
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Patent:12332954
17.01.2011 W. G. Trumbower : Integrating Mechanism
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Patent:12343821
17.01.2011 G. Tichauer : Planimeter
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Patent:12365937
17.01.2011 J. L. Christmann : Integrator
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Patent:12376108
17.01.2011 M. J. Zucrow : Integrator
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Patent:12398600
17.01.2011 Saltzman, B. E. (P) : Integrating Mechanism
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Patent:12404294
17.01.2011 Jordan, W. B. (P) : Integrator
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Patent:12410550
17.01.2011 Padva, P. (P) : Photoelectric Integrator
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Patent:12414944
17.01.2011 Grimshaw, C. S. (P) : Integrator
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Patent:12437178
17.01.2011 Wharton, A. (P) : Integrator
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Patent:12444329
17.01.2011 Booth, J. G. (P) : Integrator
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Patent:12449310
17.01.2011 Moreau, E. E. (P) : Integrator
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Patent:12458009
17.01.2011 Lory, G. (P) : Square Root Radial Averager
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Patent:12488760
17.01.2011 Brown, S. C. (P) : Weight Integrator
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Patent:12495675
17.01.2011 Porges, Nandor (P) et Hogan, T. Joseph (P) : Planimeter
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Patent:12518797
17.01.2011 Landon, R. W. (P) : Electric Integrating Apparatus
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Patent:12533710
17.01.2011 Biehler, L. A. (P) : Integrating Mechanism
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Patent:12540111
17.01.2011 Glover, R. E. (P) : Reflex Integraph
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Patent:12540310
17.01.2011 Wolf, A. (P) : Integration Device for Radioactivity Measurements
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Patent:12556803
17.01.2011 Eckman, D. P. (P) : Flow Integrating Meter
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Patent:12575951
17.01.2011 Gilbert, R. W. (P) : Integrating Apparatus
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Patent:12586421
17.01.2011 Evers, D. D. (P) : Computing Device
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Patent:1258993
17.01.2011 Coffin, John (P) : Averageometer or Instrument for Measuring the Average Breadth of Irregular Planes
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Patent:12596423
17.01.2011 Miller, C. O. (P) et al : Planimeter
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Patent:12599055
17.01.2011 Heckard, C. L. (P) et al : Integrating Device
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Patent:12605963
17.01.2011 Bohn, D. I. (P) : Meter Integrator and Multiplier
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Patent:12618769
17.01.2011 Österman, E. M. : Speed Regulation for Integrators for Logs
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Patent:12637496
17.01.2011 Sperry, A. F. (P) : Integrator
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Patent:12665065
17.01.2011 Davidson, H. R. (P) : Computer for Integrating Tristimulus Values
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Patent:12672285
17.01.2011 Irwin, R. D. (P) : Integrating Meter
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Patent:12689684
17.01.2011 Laternser, A. (P) : Integrating Mechanism
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Patent:12690871
17.01.2011 Shannon, J. F. (P) : Integrating Mechanism
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Patent:12750109
17.01.2011 Lewis, J. O. (P) : Apparatus for Integrating a Variable Against Time
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Patent:12754057
17.01.2011 Stahl, W. H. (P) : Reverse-Flow Integrating Apparatus
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Patent:12768785
17.01.2011 Silvertooth, E. W. (P) Librascope (P) inc. : Planimeter
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Patent:12769591
17.01.2011 Zamboni, P. (P) : Integrating Mechanism
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Patent:12796668
17.01.2011 S. Protopapa et al : Internal Planimeter
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Patent:12820303
17.01.2011 H. J. Dudenhausen : Integrating Turn Indicator
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Patent:12841330
17.01.2011 N. Brewer et al : Magnetic-Clutch Integrator
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Patent:12864170
17.01.2011 H. Wiedemann : Planimeter
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Patent:12873911
17.01.2011 W. L. Perrine : Mechanical Integrating Apparatus
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Patent:12877669
17.01.2011 J. F. Shannon : Integrating Mechanism
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Patent:12898531
17.01.2011 J. W. Gray : Motor Differential Frequency Integrator
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Patent:12908188
17.01.2011 L. A. Maybarduk : Mechanical Integrator
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Patent:12919578
17.01.2011 R. L. Sink : Integration System
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Patent:12919605
17.01.2011 L. A. Maybarduk : Mechanical Integrator
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Patent:12923468
17.01.2011 S. Rappaport : Component Solving and Integrating System
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Patent:12927252
17.01.2011 N. Hartley : Integrating Instrument
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Patent:12936951
17.01.2011 A. J. Maher, Jr. : Method and Apparatus for Accurate Analog Integration of Time Functions
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Patent:12967749
17.01.2011 A. Strickler : Integrating Method and Apparatus
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Patent:12968949
17.01.2011 H. A. Lassen : Integrating Accelerometer
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Patent:12993278
17.01.2011 G. Lory : Area Measuring Instrument
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Patent:12994479
17.01.2011 A. I. Chapman, Jr. : Electro-Mechanical Integration
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Patent:12998291
17.01.2011 N. D. Coggeshall et al : Recording Integrator
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Patent:13003687
17.01.2011 C. C. Bell : Time Integrating System
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Patent:13009362
17.01.2011 J. L. Christmann : Integrating Means
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Patent:13012435
17.01.2011 V. Brising : Apparatus for Integrating Measurements of Variable Physical Quantities of Flowing Media
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Patent:1301594
17.01.2011 E. Higgins : Planimeter
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Patent:13018553
17.01.2011 T. L. Franklin et al : Mechanical Integrator
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Patent:13023505
17.01.2011 G. Lory : Area Measuring Instrument
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Patent:13028213
17.01.2011 W. K. Hall et al : Measuring and Recording Integrator Having Control Means
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Patent:13030012
17.01.2011 R. F. Mershon et al : Sine-Cosine Integrator
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Patent:13040587
17.01.2011 L. W. Imm : Integrating Mechanism
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Patent:13040979
17.01.2011 D. Brown : Slip Compensator for Mechanical Integrators
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Patent:13070303
17.01.2011 C. A. Schad : Movable Light Path Integrator
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Patent:13079794
17.01.2011 P. B. MacCready, Jr. : Analog Digital Function Product Integrator
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Patent:13104056
17.01.2011 G. M. Cross : Integrating Mount for Brushes and the like
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Patent:13110967
17.01.2011 H. Wiley : Planimeter Device
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Patent:13111263
17.01.2011 C. W. Chillson : Mechanical Integrating Device
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Patent:13161355
17.01.2011 E. S. Messer : Integrator and Counter Means Therefor
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Patent:13198429
17.01.2011 H. L. Williams : Integrating Means
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Patent:13243109
17.01.2011 W.Bliese : Device for Integrating Equidirectional Movement of a Reciprocating Object
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Patent:13281070
17.01.2011 J. L. Christmann : Integrating a Variable Load Traveling at a Variable Speed
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Patent:13322339
17.01.2011 C. B. Nolte : Flow Meter Integrator
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Patent:13344985
17.01.2011 E. S. Messer : Integrating and Averaging System
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Patent:1336812
17.01.2011 E. Kimmel & E.E. Claussen : Planimeter
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Patent:1342355
17.01.2011 Dall, Horace Edward (P) & George Kent Ltd : Improvements in Planimeters
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Patent:1357818
17.01.2011 Seemann, Rosa Aloisia (P) : Improvements in Planimeters
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Patent:1360867
17.01.2011 C.E. Emery : Planimeter
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Patent:13635083
17.01.2011 Thomas R. Vaughn : Fluid Pressure Time Integrator
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Patent:13719800
17.01.2011 William P. Weaver : Integrator Compensator for Improving Accuracy
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Patent:1458968
17.01.2011 A.B. Calkins : Polar Planimeter
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Patent:1496562
17.01.2011 Goodman, John (P) : Planimeter
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Patent:1500202
17.01.2011 Goodman, John (P) : Planimeter
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Patent:1529008
17.01.2011 Willis, Edward (P) : Planimeter
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Patent:1529365
17.01.2011 F. N. Connet & W. W. Jackson : Integrating Apparatus
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Patent:1542511
17.01.2011 Willis, Edward (P) : Planimeter
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Patent:1569107
17.01.2011 Lippincott, Alpheus (P) : Planimeter
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Patent:1575105
17.01.2011 B. E. Chollar : Planimeter
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Patent:1616253
17.01.2011 Kern und Co (P) Ltd : Planimeter
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Patent:1616254
17.01.2011 Kern und Co (P) Ltd : Planimeter with an optical reading-off device
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Patent:16412
17.01.2011 Seemann, Alfons (P) Schindler, Friedrich (P) Schindler, Max (P) : Planimetr, zvláte pro kui
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Patent:1672581
17.01.2011 Willis, Edward (P) : Planimeter
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Patent:1689978
17.01.2011 Lippincott, Alpheus C. (P) : Planimeter
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Patent:1700732
17.01.2011 B. W. Bryan : Planimeter
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Patent:1718166
17.01.2011 L. T. Snow Bushnell (P) : Planimeter
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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
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Patent:1746427
17.01.2011 F. R. Williams : Planimeter
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Patent:1752054
17.01.2011 Ott, Hermann (P) : Mounting for the measuring roller of Planimeters or the like
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Patent:1752470
17.01.2011 R. Schierbeck : Measuring Instrument
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Patent:1783568
17.01.2011 E. F. Chase : Planimeter
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Patent:1801843
17.01.2011 Ott, Hermann (P) : Measuring roller for Planimeters
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Patent:1809019
17.01.2011 E. McC. Scoville : Planimeter
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Patent:1812674
17.01.2011 V. Osborne : Planimeter
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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
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Patent:1834365
17.01.2011 P. J. Darlington : Integrating Machine
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Patent:1838237
17.01.2011 Adegboye Akinwunmi : An instrument for measuring areas
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Patent:1844195
17.01.2011 E. McC. Scoville : Planimeter
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Patent:1861268
17.01.2011 Coradi, Gottlieb (P) : Planimeter for Measuring the Areas of Leather, Hides, &c
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Patent:1917547
17.01.2011 S. F. Connolly & V. Osborne : Planimeter
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Patent:1920025
17.01.2011 F. N. Connet : Integrating Device and Recording Manometer
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Patent:1931774
17.01.2011 H. L. E. Krueger : Measuring Instrument
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Patent:1954869
17.01.2011 H. L. Merrick : Integrating Device
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Patent:1954870
17.01.2011 H. L. Merrick : Integrating Device
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Patent:1961836
17.01.2011 F.C. Blanchard, E.B. Crocker & P.G. Darling : Planimeter
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Patent:1992094
17.01.2011 Babel, Michael (P) : Planimeter
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Patent:1RE11568
17.01.2011 Willis, Edward (P) : Planimeter
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Patent:AT26205B
25.06.1905 Totschnig, Hieronymus : Planimeter
-
Patent:AT29916B
01.05.1907 Coradi, Gottlieb (P) Coradi (P) : Planimeter zur Bestimmung des Flächeninhaltes von Leder oder dgl.
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Patent:AT81098
25.08.1920 Seemann, Alfons (P); Schindler, Friedrich (P); Schindler, Max (P) : Planimeter, insbesondere für Leder
-
Patent:AT81098B
15.07.1919 Seemann, Alfons (P); Schindler, Friedrich (P); Schindler, Max (P) : Planimeter, insbesondere für Leder
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Patent:AT95100B
15.06.1923 Seemann, Alfons (P) : Stangen-Fadenplanimeter, insbesondere zum Messen großer Lederflächen
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Patent:AT95114B
03.10.1922 Seemann, Alfons (P) : Zahnstangen-Planimeter
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Patent:CA524847
08.05.1956 Librascope (P) : Integrator
-
Patent:CH238168
30.06.1945 Kern und Co (P) Ag : Planimeter
-
Patent:CH238169
30.06.1945 Kern und Co (P) Ag : Planimeter mit optischer Ableseeinrichtung
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Patent:CH326595
31.12.1957 Ott, Hermann (P) Ott (P) : Messrollenlagerung fuer Planimeter und aehnliche Instrumente
-
Patent:CH328129
28.02.1958 Ott, Hermann (P) Ott (P) : Stabfoermige Nachfahrlupe fuer Planimeter
-
Patent:CH331251
15.07.1958 Ott, Hermann (P) Ott (P) : Messrolle fuer Planimeter und aehnliche Umfahrinstrumente
-
Patent:CH351760
31.01.1961 Babel, Michael (P) : Planimeter
-
Patent:CH401505
31.10.1965 Babel, Michael (P) Maho (P) Feinmechanik und Praezisi : Planimeter
-
Patent:CH41786
16.11.1908 Frikart, Eugen (P) : Planimeter
-
Patent:DE12377
15.07.1880 Hohmann, Friedrich (P) und Coradi, Gottlieb (P) Coradi (P) : Polarplanimeter
-
Patent:DE13646
15.07.1880 Klinkerfues, W. (P) : Rectificirender Planimeter, Ellipsograph und Pantograph
-
Patent:DE22558
13.09.1882 Kloth, Friedrich (P) : Combination des Wetli-Hansenschen und Amslerschen Planimeters
-
Patent:DE2904890
14.08.1980 Bittner, Gerhard; Latrany, Jenö : Einarm-Planimeter
-
Patent:DE333596
03.03.1921 Seemann, Alfons (P); Schindler, Friedrich (P); Schindler, Max (P) : Planimeter
-
Patent:DE391171
27.08.1922 Rubli, Fritz (P) : Messinstrument
-
Patent:DE441881
16.03.1927 Schnoeckel, Johannes (P) : Vektorplanimeter
-
Patent:DE51037
11.07.1889 Otto Fennel : Flächenmesser für Dreiecke
-
Patent:DE74288
29.09.1893 Coradi, G. (P) : Polarplanimeter
-
Patent:ES0173433
04.05.1946 Jorge Eugenio de Castro Rodríguez, Emilio González Hernández : Un sistema de planímetro ortogonal
-
Patent:ES2111473
01.03.1998 Gomez Mataix, Gonzalo : Planimeter for measuring irregular areas and method of use.
-
Patent:FI9560
06.04.1923 Wietti Nykænen : Pinta-alanlaskukone / Planimeter
-
Patent:FR592652
06.08.1925 Otto Senn : Système de planimètre pour mesurer la surface des cuirs
-
Patent:GB1110070
18.04.1968 List, Hans (P) : Apparatus for calculating the integrals of time-dependent functions
-
Patent:GB118939
19.09.1918 George, William George (P) : An Area Meter for Measuring the Extent of Ground Cultivated by a Plough
-
Patent:GB147139
05.05.1921 Thun, Hermann (P) : Surface measuring machine particularly for leather
-
Patent:GB149672
05.05.1921 Krupp (P) AG : Improvements in machines for measuring areas of leather or the like
-
Patent:GB150689
30.06.1921 Krupp (P) AG : Improvements in or relating to area measuring machines particularly intended for the measurement of leather
-
Patent:GB152682
21.10.1919 Krupp (P) AG : Improvements in and relating to surface measuring apparatus
-
Patent:GB189503186
20.07.1895 Willis, Edward (P) : Improvements in Planimeters, and Appliances to be employed therewith
-
Patent:GB190701065
15.01.1907 Coradi, Gottlieb (P) : Planimeter
-
Patent:GB190805286
15.10.1908 Merrick, Herbert Lansing (P) : Integrating-mechanism for measuring-apparatus
-
Patent:GB2220077
28.12.1989 Tottenham Hugh : DigitalPlanimeter
-
Patent:GB313157
15.10.1930 Askania (P) Werke AG : Improvements in or relating to calculating devices
-
Patent:GB377514
28.10.1931 Hounsfield, Leslie (P) : Planimeter
-
Patent:GB6087
22.04.1890 Goodman, John (P) : Planimeter
-
Patent:GB938100
25.09.1963 Arrowsmith, John Richard (P) Emi Ltd : Improvements in or relating to circuit arrangements for calculating the area under acurve
-
Patent:JP10300551
13.11.1998 Ishii Yasushi : Acoustic Surface Planimeter
-
Patent:JP11230730
27.08.1999 Romano David, Kelley Edward : Fluorescent-DotPlanimeter
-
Patent:JP52081979
08.07.1977 Yamamoto Masao : Centroid RockingPlanimeter
-
Patent:JP5231805
07.09.1993 Takashima Ken : Planimeter
-
Patent:JP55066705
20.05.1980 Ehata Tatsuo : Planimeter
-
Patent:JP60135802
19.07.1985 Kubo Akio : Planimeter
-
Patent:JP60135804
19.07.1985 Kubo Akio : Planimeter
-
Patent:JP60161507
23.08.1985 Ooishi Yukio : Planimeter
-
Patent:NL6914603
06.04.1970 Test, S.A. d'Etudes Techniques : Digitale integrator
-
Patent:PL230475
15.02.1982 Majewski Mieczyslaw : Rotational-TransmissionPlanimeter
-
Patent:PL256616
10.08.1987 Zurawel Wladyslaw : Photoresistance TypePlanimeter
-
Patent:PL325405
27.09.1999 Sroka Kazimierz : Planimeter
-
Patent:PL3821
19.12.1925 Wolf, Ferdinand (P) : Nitkowy planimetr biegunowy
-
Patent:PL7152
14.03.1927 Maschinenfabrik Turner A.-G. : Maszyna do mierzenia powierzchni plaskich, zwlaszcza skóry
-
Patent:PL7585
19.05.1927 Maschinenfabrik Turner A.-G. : Przyrzad odczytowy do maszyn do mierzenia powierzchni, w szczególnosci powierzchni skóry.
-
Patent:RU2171448
27.07.2001 Grigorashchenko Ivan : RadialPlanimeter
-
Patent:SE32704
29.05.1911 S. S:sen Ringi : Anordning vid yzplanimetrar
-
Patent:SU25740
31.07.1931 Tikhonen, A.P. (P) : Planimeter für Mosaikvirus-betroffenes Obst
-
Patent:US1314463
26.08.1919 Bristol, Edgar H. Foxboro Co. : Planimeter
-
Patent:US1638984
16.08.1927 Cunningham Arthur B : Radial averaging Planimeter
-
Patent:US1670512
22.05.1928 Andre Koronski, Heacock, Ralph (P) : Machine for calculating moments of inertia
-
Patent:US1844905
09.02.1932 Schweydar, Wilhelm (P) Askania (P) : Planimeter for computing forces
-
Patent:US1989223
29.01.1935 Barr, John M. The Integraph Company : Graphic calculating device
-
Patent:US2602338
08.07.1952 Librascope (P) : Integrator
-
Patent:US2850232
02.09.1958 G. E. Hagen : Machine for Digital Differential Analysis
-
Patent:US2889626
09.06.1959 In-Meei Neon : Mechanical Integrator
-
Patent:US771363
04.10.1904 Ferris, Walter : Interating Apparatus for Water Meters
-
Patent:US825363
10.07.1906 Vermehren, Johannes (P) : Calculating Machine
-
Patent:US927338
06.07.1909 F. W. Durand : Planimeter