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wherein the chamber is closed by liquid vacuum gauges of the McLeod type

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  • G01L21/04
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GPHYSICS G01Measuring instruments G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE G01L21/00Vacuum gauges

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G01L21/04wherein the chamber is closed by liquid vacuum gauges of the McLeod type
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Patents Grantslast 30 patents

  • Information Patent Grant

    Masker sound generation apparatus and program
    • Patent number 8,861,742
    • Issue date Oct 14, 2014
    • Yamaha Corporation
    • Mai Koike
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Pressure gauge
    • Patent number 4,218,927
    • Issue date Aug 26, 1980
    • Gilmont Instruments, Inc.
    • Roger Gilmont
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3768312
    • Patent number 3,768,312
    • Issue date Oct 30, 1973
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3464270
    • Patent number 3,464,270
    • Issue date Sep 2, 1969
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3453890
    • Patent number 3,453,890
    • Issue date Jul 8, 1969
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3392586
    • Patent number 3,392,586
    • Issue date Jul 16, 1968
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3379064
    • Patent number 3,379,064
    • Issue date Apr 23, 1968
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3285271
    • Patent number 3,285,271
    • Issue date Nov 15, 1966
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3280631
    • Patent number 3,280,631
    • Issue date Oct 25, 1966
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3217545
    • Patent number 3,217,545
    • Issue date Nov 16, 1965
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3190124
    • Patent number 3,190,124
    • Issue date Jun 22, 1965
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3177704
    • Patent number 3,177,704
    • Issue date Apr 13, 1965
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3145569
    • Patent number 3,145,569
    • Issue date Aug 25, 1964
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3138958
    • Patent number 3,138,958
    • Issue date Jun 30, 1964
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3114266
    • Patent number 3,114,266
    • Issue date Dec 17, 1963
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3057203
    • Patent number 3,057,203
    • Issue date Oct 9, 1962
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3057204
    • Patent number 3,057,204
    • Issue date Oct 9, 1962
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2780102
    • Patent number 2,780,102
    • Issue date Feb 5, 1957
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2608096
    • Patent number 2,608,096
    • Issue date Aug 26, 1952
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2584945
    • Patent number 2,584,945
    • Issue date Feb 5, 1952
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2542076
    • Patent number 2,542,076
    • Issue date Feb 20, 1951
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2535492
    • Patent number 2,535,492
    • Issue date Dec 26, 1950
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    2458759
    • Patent number 2,458,759
    • Issue date Jan 11, 1949
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2278195
    • Patent number 2,278,195
    • Issue date Mar 31, 1942
    • G01 - MEASURING TESTING
  • Information Patent Grant

    1984994
    • Patent number 1,984,994
    • Issue date Dec 18, 1934
    • G01 - MEASURING TESTING
  • Information Patent Grant

    1923731
    • Patent number 1,923,731
    • Issue date Aug 22, 1933
    • G01 - MEASURING TESTING
  • Information Patent Grant

    1871410
    • Patent number 1,871,410
    • Issue date Aug 9, 1932
    • G01 - MEASURING TESTING
  • Information Patent Grant

    1749007
    • Patent number 1,749,007
    • Issue date Mar 4, 1930
    • G01 - MEASURING TESTING
  • Information Patent Grant

    1666743
    • Patent number 1,666,743
    • Issue date Apr 17, 1928
    • G01 - MEASURING TESTING
  • Information Patent Grant

    1666739
    • Patent number 1,666,739
    • Issue date Apr 17, 1928
    • G01 - MEASURING TESTING

Patents Applicationslast 30 patents