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Suchergebnisse für: TEACHING


  Land  Datum  Relevanz 
  
  • Patent:FR2771832 04.06.1999 Le Noane Pierrick, Ropers Jean Yves, Ricard Jean Luc : Measurement and decimal conversion Slide Rule for teaching purposes [7.52%]
 
  • Patent:GB142212 12.02.1919 Clauson, A. E. : Abacuses [29.86%]
  • Patent:GB167699 16.09.1920 Darnley, Percey Henry (P) and Richards, Barnett (P) : Teaching arithmetic.-A device for facilitating the learning of multiplication and division [43.74%]
  • Patent:GB183006038 13.11.1830 John Tyrrell : Apparatus for Teaching Arithmetic [45.24%]
  • Patent:GB190302484 02.02.1904 Magne, Fernand Leonard (P) : Improved Mechanical Calculating Device [27.94%]
  • Patent:GB190325518 22.09.1904 Gess, Gustav (P) : Apparatus Combining a Blackboard with Means for Teaching Calculating and Reading [65.74%]
  • Patent:GB190409171 09.02.1905 Dougald McCoig Cowan : Improvements in Apparatus for Teaching Arithmetic [44.76%]
  • Patent:GB190425302 21.09.1905 James Thomas Reeve : An Improved Abacus or Apparatus chiefly designed for use in Teaching Arithmetic [42.95%]
  • Patent:GB191211598 07.11.1912 Buchert, Adolf (P) : Improvements in Calculating Apparatus for Teaching Arithmetic [23.86%]
  • Patent:GB191317890 05.08.1913 Montessori, Maria (P) : Abacuses [23.88%]
  • Patent:GB2364412 23.01.2002 Stone Celia Anne : Abacus [15.89%]
  • Patent:GB334319 04.09.1930 Montessori, Maria (P) : Device for teaching young children elementary multiplication [42.59%]
  • Patent:GB359210 22.10.1931 Sarah Weaver Stephens : Improved apparatus for teaching calculations to children and for like [45.72%]
  • Patent:GB370060 07.04.1932 John James : Apparatus for teaching arithmetic [26.30%]
  • Patent:GB407274 15.03.1934 Giulio Sbocchelli : Improved device for demonstrating the fundamental arithmetical operations [25.00%]
  • Patent:GB529461 01.06.1939 Marjorie Annie Nightingale : Improvements in and relating to devices or apparatus for teaching mathematics [43.84%]
  • Patent:GB580444 09.09.1946 Samuel Lindon : An improved counting device [10.04%]
  • Patent:GB587220 17.04.1947 Lancelot Hogben : Apparatus for the use in the teaching of arithmetic operations [28.40%]
  • Patent:GB667706 05.03.1952 : educational Device for teaching multiplication and division [27.49%]
  • Patent:GB706807 07.04.1954 Svensson, Sven Hjalmar (P) Skolmaterieldistrib A B : Improvements in devices for illustrating and teaching the elementary technic of calculating [27.24%]
  • Patent:GB715321 15.09.1954 Edward Ernest Gooding Field : Improvements in or relating to apparatus for teaching music [43.39%]
  • Patent:GB979150 01.01.1965 Clark, John Arnold (P) Addo Limited (P) : An improved calculator for teaching simple arithmetic [9.86%]
 
  • Patent:US1099009 02.06.1914 R. C. Bennet : Calculator or Abacus [11.06%]
  • Patent:US1142651 08.06.1915 T. Winiecki : Educational Appliance [10.47%]
  • Patent:US1174689 07.03.1916 Frank J. Coleman : Appliance for teaching arithmetical fractions [45.24%]
  • Patent:US1218931 13.03.1917 H. G. Cuthbert : Apparatus for Teaching Arithmetic [25.41%]
  • Patent:US1233544 17.07.1917 G. O. Bissey : Educational Device [20.37%]
  • Patent:US1372087 22.03.1921 F. A. Roddy : Apparatus for Illustrating and Demonstrating the Principles of Pure Arithmetic [6.75%]
  • Patent:US1405193 31.01.1922 W. Favreau : Educational and Entertaining Device [8.37%]
  • Patent:US1438144 05.12.1922 Stevenson Robert A : Toy calculator [16.31%]
  • Patent:US1450395 03.04.1923 N. Y. Troidl : Educational Appliance [14.29%]
  • Patent:US1514270 04.11.1924 J. L. Thomson : Means for Teaching Reading and the like [19.43%]
  • Patent:US1532011 31.03.1925 R. M. Williamson : Arithmetic Teaching Device [6.58%]
  • Patent:US1661095 28.02.1928 Eugene Rowe Joseph : Calculating Instrument [10.02%]
  • Patent:US1694405 11.12.1928 N. Y. Troidl : Educational Appliance [6.27%]
  • Patent:US1719108 02.07.1929 Eleanor Fennell : Game for teaching multiplication [19.08%]
  • Patent:US1720499 09.07.1929 W. Walker : Educational Computing Device [7.55%]
  • Patent:US1728584 17.09.1929 C. W. Wright : Device for Teaching Arithmetic [16.32%]
  • Patent:US1736603 19.11.1929 M. R. Kennedy : Game [9.67%]
  • Patent:US1866133 05.07.1932 F. L. Simon : Educational Device [12.88%]
  • Patent:US1867888 19.07.1932 Obidine Wladimire J : Calculating Device [6.91%]
  • Patent:US1941733 02.01.1934 Saul Badanes : Counting and calculating card [10.88%]
  • Patent:US1955392 17.04.1934 Harold I. Shimberg : Device for teaching trigonometric functions [45.24%]
  • Patent:US1977842 23.10.1934 Saul Badanes : Counting and calculating device [10.38%]
  • Patent:US1992366 26.02.1935 Joseph B. Fisher : Arithmetic teaching device [45.72%]
  • Patent:US2063501 08.12.1936 A. F. Harbo : Device for Teaching Music Reading [26.72%]
  • Patent:US2150508 14.03.1939 C. Kuiper : Appliance for use in the Teaching of Arithmetic [22.10%]
  • Patent:US2188723 30.01.1940 L. R. Posey : Educational Device [12.41%]
  • Patent:US2206294 02.07.1940 Catherine Stern : Device for the progressive teaching of arithmetic [45.24%]
  • Patent:US2326413 10.08.1943 Thompson, George (P) : Harmonic Calculator [5.38%]
  • Patent:US2342674 29.02.1944 E. Kotcher : Air Speed Computer [5.82%]
  • Patent:US2359837 10.10.1944 H. A. Freedlander : Copy Slide Rule [6.77%]
  • Patent:US2389394 20.11.1945 A. H. Thomas : Electric Mathematical Educational Appliance [12.83%]
  • Patent:US2457332 28.12.1948 Wade, F. A. (P) et al : Educational Apparatus [6.09%]
  • Patent:US2507223 09.05.1950 Rosenfeld, M. (P) : Educational Device [11.84%]
  • Patent:US2584601 05.02.1952 Mauser, F. P. (P) : Alphabet and Numeral Teaching Guide [20.90%]
  • Patent:US2585458 12.02.1952 Gordon Julia : Game apparatus for teaching the use of the multiplication table [7.29%]
  • Patent:US2600084 10.06.1952 Hjalmar Svensson Sven : Instructional device for calculating [10.13%]
  • Patent:US2624126 06.01.1953 Bolognino Charles, Bolognino Secondo : Toy Device for teaching multiplication tables [15.28%]
  • Patent:US264572 19.09.1882 A. B. Schwenninger : Apparatus for Teaching Arithmetic [20.22%]
  • Patent:US2646631 28.07.1953 Lazar, N. (P) : Combined Abacus and Counting Rack [6.36%]
  • Patent:US2654164 06.10.1953 Seidenberg, O. (P) : Abacus [8.05%]
  • Patent:US2655737 20.10.1953 Don Dero, S. F. (P) : Abacus [10.30%]
  • Patent:US2687581 31.08.1954 Walden Williams : Calculating Device [6.29%]
  • Patent:US2708797 24.05.1955 Hamer, E. F. (P) : Counting Frame [15.82%]
  • Patent:US2779541 29.01.1957 R. L. Rich : Adding Machine [5.99%]
  • Patent:US2803069 20.08.1957 William F. Struna : Classroom teaching device [45.72%]
  • Patent:US2826360 11.03.1958 Sih Hsuin Tsiang : Automatic Circuit Selector [6.18%]
  • Patent:US2844890 29.07.1958 G. A. Oliver et al : Mathematics Teaching Aid [18.56%]
  • Patent:US2857686 28.10.1958 S. Blake : Abacus [11.80%]
  • Patent:US2888753 02.06.1959 T. S. Swarts : Arithmetic Instruction Apparatus [11.37%]
  • Patent:US2894337 14.07.1959 W. G. Rawlings : Slide Rule Type of Educational Device [9.54%]
  • Patent:US2906037 29.09.1959 Rubin Irving C : Dial type Slide Rule for teaching arithmetic [17.66%]
  • Patent:US2910786 03.11.1959 Howard Healey, Cohn Irwin Great American Plastics Co : Calculating device for teaching arithmetic [14.21%]
  • Patent:US2914617 24.11.1959 W. W. Fritschi et al : Magnetic Core Circuits [5.87%]
  • Patent:US2950542 30.08.1960 Alice M. Steelman : Educational aid for teaching arithmetic [45.72%]
  • Patent:US2998916 05.09.1961 A. D. Frankenfield : Two-Dimension Slide Rule [6.31%]
  • Patent:US3005269 24.10.1961 F. L. Woolley : Slide Rule Trainer [5.92%]
  • Patent:US3006082 31.10.1961 Miles A. Libbey : Educational device for teaching binary computation [42.52%]
  • Patent:US3016628 16.01.1962 F. L. Woolley : Slide Rule Trainer [6.57%]
  • Patent:US3043503 10.07.1962 S. M. Kritser : Navigation Aid [10.94%]
  • Patent:US3076272 05.02.1963 A. F. Schott : Abacus [10.61%]
  • Patent:US3127686 07.04.1964 A. E. Goldfarb : Calculator [5.79%]
  • Patent:US3129628 21.04.1964 R. Hall : Music Teaching Device [16.69%]
  • Patent:US3133358 19.05.1964 Chris Schramm : Teaching aid [46.22%]
  • Patent:US3136076 09.06.1964 A. F. Schott : Educational Tool Adapted to Faciliate Teaching the Arithmetic of Fractions [16.75%]
  • Patent:US3138879 30.06.1964 R. W. Flewelling : Calculating Device [9.52%]
  • Patent:US3147556 08.09.1964 Prusmack, Murray (P) : Calculating Device [12.63%]
  • Patent:US3177595 13.04.1965 F. H. Yonker et al. : Teaching Device [30.21%]
  • Patent:US3178108 13.04.1965 M. Mc. Coy : Vector and Trigonometric Static Balance Computer [6.39%]
  • Patent:US3273262 20.09.1966 L. J. Smith : Teaching Device [12.14%]
  • Patent:US3283420 08.11.1966 Schott, Andrew (P) : Calculator [5.43%]
  • Patent:US3289324 06.12.1966 H. Benson : Arithmetical Teaching Device [16.61%]
  • Patent:US3377717 16.04.1968 Thomas M. Rowe : Device for teaching addition and subtraction [45.24%]
  • Patent:US3387392 11.06.1968 D. A. Kurz : Abacus with Mechanical Means for Holding Unit Counters in Position [14.45%]
  • Patent:US3388483 18.06.1968 Joseph A. Weisbecker : Computer-type game and teaching aid [44.76%]
  • Patent:US3392948 16.07.1968 Janes Frank T : Slide Rule mounting structure [6.11%]
  • Patent:US3402482 24.09.1968 J. S. Rankin : Matematics Teaching Device [20.13%]
  • Patent:US3406900 22.10.1968 Hunt, George R. (P) : Powered Slide Rule Assembly [5.70%]
  • Patent:US3410483 12.11.1968 J. S. Hogan : Horsepower Computer [12.58%]
  • Patent:US3437268 08.04.1969 R. S. White : Mathematical Averaging Apparatus [5.82%]
  • Patent:US3446433 27.05.1969 Tibbetts, Ernest (P) Burroughs (P) : Pushbutton Calculator [6.58%]
  • Patent:US345445 13.07.1886 C. Pelletier : Ball Calculator [10.20%]
  • Patent:US3455033 15.07.1969 Han Bing-Hou Bing Hou Han : Ball Calculator [6.70%]
  • Patent:US3455034 15.07.1969 A. F. Schott : Mathematics Teaching Tool [26.90%]
  • Patent:US3467307 16.09.1969 H. O. Levitt : Scaling and Calculating Instrument [6.01%]
  • Patent:US3472117 14.10.1969 C. W. Iverson et al. : Musical Playing Aid [9.94%]
  • Patent:US3492726 03.02.1970 R. B. Stewart : Analytical Instrument [7.61%]
  • Patent:US3500558 17.03.1970 B. J. Matejczyk : Device for the Teaching of Numeration Systems to all Bases [21.50%]
  • Patent:US3526355 01.09.1970 Anderson Alyn-Dale : Calculator [6.31%]
  • Patent:US3526973 08.09.1970 Delves James A H Brees Plastics Ltd : Calculating Instrument [15.71%]
  • Patent:US3531877 06.10.1970 J. E. Miller : Ratio and Proportion Demonstrating Unit [10.41%]
  • Patent:US3554074 12.01.1971 James C. Rickey : Stringed Instrument Teaching Device [11.06%]
  • Patent:US3633287 11.01.1972 Fitz A. Squires : Numerical Base System Teaching Device [18.75%]
  • Patent:US3652831 28.03.1972 David M. Lehmann : Calculating Device for estimating Turbine Steam Rates [9.68%]
  • Patent:US3672072 27.06.1972 Joseph S. Akiyama : Educational Device [11.49%]
  • Patent:US3678796 25.07.1972 Vito Puopolo : Music Slide Rule [26.34%]
  • Patent:US3688418 05.09.1972 Henry Allen Wilson : Manual Computing Device [25.11%]
  • Patent:US3710456 16.01.1973 Jerman M : Teachimg Aid [35.82%]
  • Patent:US3717941 27.02.1973 Benajmin E. Tomerlin : Probability Teaching Aid [43.96%]
  • Patent:US3728930 24.04.1973 William Maron : Music Training Device [16.66%]
  • Patent:US3771409 13.11.1973 James C. Rickey : Music Teaching Device ... [10.96%]
  • Patent:US37825 03.03.1863 J. H. R. Reffelt : Arithmetical Aid [14.78%]
  • Patent:US3785240 15.01.1974 Elgie E. Hill : Chord Teaching Device for a Dtringed Instrument [37.63%]
  • Patent:US378866 06.03.1888 E. P. Clark & D. L. Wren : Abacus [20.68%]
  • Patent:US3791254 12.02.1974 Müller, Egon : Teaching and Demonstrating the Harmonic System [19.80%]
  • Patent:US380532 03.04.1888 H. O. R. Siefert : Educational Appliance [12.16%]
  • Patent:US3811205 21.05.1974 Mary Ann Pitzler : Sensorial Counting Board [10.52%]
  • Patent:US3960046 01.06.1976 Choong, Alan Chong Seong : Music Teaching Device [17.82%]
  • Patent:US3995378 07.12.1976 Darnell, Eula K. (307 Baldwin, West Helena, AR 72390) : Mathematics visual teaching aid [42.68%]
  • Patent:US4048731 20.09.1977 Baguioro, Anastasia : Educational game apparatus [11.30%]
  • Patent:US4176472 04.12.1979 Devanney, Mary T. (2665 Section Rd., Cincinnati, OH 45237) : Numbers teaching aid [26.60%]
  • Patent:US4257174 24.03.1981 Presley, Wayman R. (RFD #1, Makanda, IL 62958) : Device for teaching counting [22.29%]
  • Patent:US4419081 06.12.1983 Steinmann, Phyllis R. : Mathematical teaching/learning aid and method of use [24.25%]
  • Patent:US452302 12.05.1891 J. Denison : Device for Teaching Arithmetic [46.22%]
  • Patent:US4571191 18.02.1986 Graube, Peteris E. (1145 Collindale Ave., NW., Grand : Funnel teaching method and apparatus [54.62%]
  • Patent:US4629429 16.12.1986 Horie, Tsuyoshi (7-15, Iwamoto-cho 3-chome,, Chiyoda-ku, : Abacus with each counter held in position by friction or magnetic attraction [11.66%]
  • Patent:US4713009 15.12.1987 Borenson, Henry (1469 Neshaminy Valley Dr., Bensalem, PA : Teaching apparatus and method for solving algebraic linear equations [40.67%]
  • Patent:US4750398 14.06.1988 Rude, Kenneth L. (c/o George Spector, 233 Broadway RM 3615, : Chord speller [17.34%]
  • Patent:US4882472 21.11.1989 Sigman, Susan J. (West Lafayette, IN), Meade, Paula A. : Fluoride supplement calculator [10.62%]
  • Patent:US4883277 28.11.1989 Laisure, Thomas J. : Educational board game for teaching mathematics and logic [25.68%]
  • Patent:US4884973 05.12.1989 Pak, Kyoungsik : Mathematic teaching aid [28.93%]
  • Patent:US4900255 13.02.1990 Laghi, Aldo A. : For two-stage Quincunx [16.85%]
  • Patent:US4993952 19.02.1991 Yeh, Cheng-Siung Lehrmittel (P) : Arithmetic counter [11.27%]
  • Patent:US5007840 16.04.1991 Gaskell, Martin : Operations processor [23.70%]
  • Patent:US502184 25.07.1893 Gallegos, José : Device for teaching arithmetical calculations [44.76%]
  • Patent:US5039603 13.08.1991 Pocius, Frank (P) : Educational system for teaching counting and equation solving strategies [39.56%]
  • Patent:US5149269 22.09.1992 Ylitalo, Howard (R.R. 2, Box 106, Cokato, MN 55321) : Manual teaching calculator [18.86%]
  • Patent:US5219289 15.06.1993 Derr, Patricia K. (1653 Bentana Way, Reston, VA 22090) : Mathematical teaching aid [42.39%]
  • Patent:US5334026 02.08.1994 Ylitalo, Howard (2500 Montgomery Ave. SW., Cokato, MN : Manual sliding calculator [10.39%]
  • Patent:US5370538 06.12.1994 Sidray, Fahim R. : Devices for transforming pictorial images in orthogonal dimensions [26.24%]
  • Patent:US5423682 13.06.1995 Hildebrandt, Raymond E. (7213 Huntcliff, West Bloomfield, : Numbering system teaching aid [22.35%]
  • Patent:US5433611 18.07.1995 Dreyfous, Ricardo (Condominio Montebello, Apt. J119, : Teaching apparatus and method for visually representing polynomial expressions [25.06%]
  • Patent:US5524522 11.06.1996 Hesnan, John (P) : Music Learning Aid [21.19%]
  • Patent:US560651 26.05.1896 H. Rödelsperger : Arithmetical apparatus [12.04%]
  • Patent:US5674075 07.10.1997 Sherman, Betty E. (P.O. Box 196, Buford, GA 30518) : Math teaching unit [38.02%]
  • Patent:US5725380 10.03.1998 Kennelly, Kim (140 Ingrid Pl., Oldsmar, FL 34677) : Combination writing board and abacus [23.57%]
  • Patent:US580516 13.04.1897 B. S. Andrew : Abacus [13.41%]
  • Patent:US5876212 02.03.1999 Hartung, Paul G. (Greenwood Township, Columbia County, PA) : Apparatuses and kits for teaching mathematics [11.69%]
  • Patent:US5954509 21.09.1999 Torres, Anthony (4985 W. 8th St., Greeley, CO 80634) : Educational device [22.63%]
  • Patent:US5967787 19.10.1999 Tsao, Chin-Chen (No. 152, Tung Pei Street, Chung Shan : Educational display with a clock and with numeral and date blocks [31.59%]
  • Patent:US5989035 23.11.1999 Okoye, Godwin (P.O. Box 4605, Albuquerque, NM 87196) : Arithmetic teaching device [11.55%]
  • Patent:US604963 31.05.1898 A. R. Breinl : Apparatus for Teaching Arithmetic [28.84%]
  • Patent:US6056553 02.05.2000 Huang, Pingsheng (20 Alpine Rd., Towaco, NJ 07082) : Apparatus for math teaching and self-learning [24.71%]
  • Patent:US6077079 20.06.2000 Barnes, Latrell : Dual-teaching-aid game [17.92%]
  • Patent:US6129551 10.10.2000 Martin, Lowry G. : Mathematical graph board [17.68%]
  • Patent:US6142784 07.11.2000 Wood, Michael C. : Mathematical learning game and method [9.66%]
  • Patent:US6155836 05.12.2000 Hancock, Tapp (8000 Kroll Way #2, Bakersfield, CA 93311) : System for teaching mathematics [41.68%]
  • Patent:US6192594 27.02.2001 Wackowski, Sally L. (Vernal, UT) : Fraction ruler [25.22%]
  • Patent:US6323410 27.11.2001 Rackow, Daniel (P) : Slide Rule musical scale teaching device [10.61%]
  • Patent:US637964 28.11.1899 J. P. Johnsen : Abacus [6.90%]
  • Patent:US6413099 02.07.2002 Rainey, John Desmond (P.O. Box 40-288, Glenfield, Auckland, : Educational device for teaching simple and complex mathematical concepts [10.41%]
  • Patent:US6447300 10.09.2002 Greenberg, Joseph G. : Educational card game [10.87%]
  • Patent:US6464504 15.10.2002 Wingert, Diane : Mathematical game of amusement [10.01%]
  • Patent:US6513708 04.02.2003 Evans, Elizabeth A. (99-337 Uwau Dr., Aiea, HI 96701) : Mathematics teaching system [28.35%]
  • Patent:US6551110 22.04.2003 Hastie, Patricia Catherine (P) : Visual educational device for teaching literacy [10.62%]
  • Patent:US6579101 17.06.2003 Phan, Que N. (1798 Donna La., #2, San Jose, CA 95124-3019) : Basic mathematics teaching and learning aid [13.06%]
  • Patent:US861541 30.07.1907 F. Rieck : Calculating Stand [13.44%]
  • Patent:US964064 12.07.1910 R. F. Smith : Educational Appliance [6.82%]
  • Patent:USD178150 26.06.1956 A. K. Ruddell : Arithmetic Teaching Aid [61.95%]
  • Patent:USD234360 18.02.1975 E. R. Duncan : Teaching Machine [46.73%]

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