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  • G01C17/08
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GPHYSICS G01Measuring instruments G01CMEASURING DISTANCES, LEVELS OR BEARINGS SURVEYING NAVIGATION GYROSCOPIC INSTRUMENTS PHOTOGRAMMETRY OR VIDEOGRAMMETRY G01C17/00Compasses Devices for ascertaining true or magnetic north for navigation or surveying purposes

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G01C17/08by flotation
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Patents Grantslast 30 patents

  • Information Patent Grant

    Annular fluidic system with compass function
    • Patent number 12,124,222
    • Issue date Oct 22, 2024
    • The Swatch Group Research and Development Ltd.
    • François Gueissaz
    • G04 - HOROLOGY
  • Information Patent Grant

    Fluid or low friction permanent magnet compass
    • Patent number 9,234,753
    • Issue date Jan 12, 2016
    • Frank Sanns
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Integral magnetic compass for establishing deviations in real time
    • Patent number 8,510,965
    • Issue date Aug 20, 2013
    • Universidad del Pais Vasco-Euskal Herriko Unibertsitatea
    • Aitor Tomas Martinez Lozares
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Magnetic marine compass
    • Patent number 6,665,944
    • Issue date Dec 23, 2003
    • Rule Industries, Inc.
    • Yu-Feng Wei
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Compass for mobile satellite antennas
    • Patent number 5,647,134
    • Issue date Jul 15, 1997
    • Shiau-fong Chou
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Real-time digital orientation device
    • Patent number 5,477,470
    • Issue date Dec 19, 1995
    • W. Stan Lewis
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Air bubble free compass and method of manufacturing same
    • Patent number 5,469,631
    • Issue date Nov 28, 1995
    • Rule Industries Inc.
    • James T. Burrill
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Attitude sensor
    • Patent number 5,452,519
    • Issue date Sep 26, 1995
    • 3D Instruments Limited
    • Timothy R. Crocker
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Underwater navigation device
    • Patent number 5,187,871
    • Issue date Feb 23, 1993
    • Damien McDermott
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Magnetic compass
    • Patent number 5,107,597
    • Issue date Apr 28, 1992
    • Takeshi Kato
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Floating disk compass
    • Patent number 5,079,846
    • Issue date Jan 14, 1992
    • The Brunton Company
    • Marlin D. Iden
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Traveler's direction finder
    • Patent number 4,905,377
    • Issue date Mar 6, 1990
    • Gregorio Martinez
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Self-centering needle-less magnetic compass
    • Patent number 4,848,002
    • Issue date Jul 18, 1989
    • Angel G. Carmona
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Direction-finding devices
    • Patent number 4,667,414
    • Issue date May 26, 1987
    • Michael K. Russell
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Magnetic angular position sensor
    • Patent number 4,614,041
    • Issue date Sep 30, 1986
    • Standard Telephones and Cables Public Limited Company
    • Kenneth S. Darton
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Vessel adaptable to the expansion and/or contraction of fluid therein
    • Patent number 4,236,316
    • Issue date Dec 2, 1980
    • Kazuo Suzuki
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Compasses
    • Patent number 4,227,313
    • Issue date Oct 14, 1980
    • John B. Hennessy
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Compass
    • Patent number 3,949,483
    • Issue date Apr 13, 1976
    • Optimum Inc.
    • Wilfrid Gordon White
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3481045
    • Patent number 3,481,045
    • Issue date Dec 2, 1969
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3473234
    • Patent number 3,473,234
    • Issue date Oct 21, 1969
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3374549
    • Patent number 3,374,549
    • Issue date Mar 26, 1968
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2271315
    • Patent number 2,271,315
    • Issue date Jan 27, 1942
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2205548
    • Patent number 2,205,548
    • Issue date Jun 25, 1940
    • G01 - MEASURING TESTING
  • Information Patent Grant

    1376727
    • Patent number 1,376,727
    • Issue date May 3, 1921
    • G01 - MEASURING TESTING

Patents Applicationslast 30 patents