using variations in capacitance

Patents Grantslast 30 patents

  • Information Patent Grant

    Sensor system

    • Patent number 10,429,499
    • Issue date Oct 1, 2019
    • Rolls-Royce PLC
    • Francis Bridge
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Telemetric intracranial pressure monitoring system

    • Patent number 6,113,553
    • Issue date Sep 5, 2000
    • LifeSensors, Inc.
    • John G. Chubbuck
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Capacitance pressure transducer

    • Patent number 5,388,462
    • Issue date Feb 14, 1995
    • Panex Corporation
    • Leroy C. Delatorre
    • G01 - MEASURING TESTING
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    High resolution pressure sensor

    • Patent number 5,317,918
    • Issue date Jun 7, 1994
    • Hyok S. Lew
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Displacement sensor with mechanical preamplification means

    • Patent number 5,115,680
    • Issue date May 26, 1992
    • Hyok S. Lew
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Pressure gauge

    • Patent number 4,507,972
    • Issue date Apr 2, 1985
    • Yokogawa Hokushin Electric Corporation
    • Saichiro Morita
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Differential pressure sensor

    • Patent number 4,393,714
    • Issue date Jul 19, 1983
    • Kernforschungszentrum Karlsruhe GmbH
    • Curt Schmidt
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Differential pressure gauge

    • Patent number 4,388,833
    • Issue date Jun 21, 1983
    • Kabushiki Kaisha Hokushin Denki Seisakusho
    • Hideki Kuwayama
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Optical refractometer

    • Patent number 4,364,271
    • Issue date Dec 21, 1982
    • National Research Development Corporation
    • Keith D. Froome
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Intracranial pressure gauge

    • Patent number 4,354,506
    • Issue date Oct 19, 1982
    • Naganokeiki Seisakujo Company, Ltd.
    • Iwao Sakaguchi
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Intracranial pressure implant

    • Patent number 4,265,252
    • Issue date May 5, 1981
    • The Johns Hopkins University
    • John G. Chubbuck
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Intracranial pressure monitor

    • Patent number 4,026,276
    • Issue date May 31, 1977
    • The Johns Hopkins University
    • John G. Chubbuck
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Electromagnetic force applying device

    • Patent number 3,955,164
    • Issue date May 4, 1976
    • Lucas Aerospace Limited
    • Alan Thomas
    • G01 - MEASURING TESTING
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    3906799

    • Patent number 3,906,799
    • Issue date Sep 23, 1975
    • G01 - MEASURING TESTING
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    3826143

    • Patent number 3,826,143
    • Issue date Jul 30, 1974
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3783693

    • Patent number 3,783,693
    • Issue date Jan 8, 1974
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3777570

    • Patent number 3,777,570
    • Issue date Dec 11, 1973
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3723926

    • Patent number 3,723,926
    • Issue date Mar 27, 1973
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3664237

    • Patent number 3,664,237
    • Issue date May 23, 1972
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3602047

    • Patent number 3,602,047
    • Issue date Aug 31, 1971
    • G01 - MEASURING TESTING
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    2932777

    • Patent number 2,932,777
    • Issue date Apr 12, 1960
    • G01 - MEASURING TESTING
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    2659390

    • Patent number 2,659,390
    • Issue date Nov 17, 1953
    • G01 - MEASURING TESTING