TREA

Leaf electrometers

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Industry

  • CPC
  • G01R5/30
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Parent Industries

GPHYSICS G01Measuring instruments G01RMEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES G01R5/00Instruments for converting a single current or a single voltage into a mechanical displacement

Current Industry

G01R5/30Leaf electrometers
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Noncontact voltage measurement apparatus
    • Patent number 10,254,313
    • Issue date Apr 9, 2019
    • Alps Alpine Co., Ltd.
    • Hiroyuki Hebiguchi
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3363176
    • Patent number 3,363,176
    • Issue date Jan 9, 1968
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3153710
    • Patent number 3,153,710
    • Issue date Oct 20, 1964
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2678423
    • Patent number 2,678,423
    • Issue date May 11, 1954
    • G01 - MEASURING TESTING
  • Information Patent Grant

    1815606
    • Patent number 1,815,606
    • Issue date Jul 21, 1931
    • G01 - MEASURING TESTING
  • Information Patent Grant

    1726866
    • Patent number 1,726,866
    • Issue date Sep 3, 1929
    • G01 - MEASURING TESTING
  • Information Patent Grant

    1601042
    • Patent number 1,601,042
    • Issue date Sep 28, 1926
    • G01 - MEASURING TESTING
  • Information Patent Grant

    1551374
    • Patent number 1,551,374
    • Issue date Aug 25, 1925
    • G01 - MEASURING TESTING
  • Information Patent Grant

    1446748
    • Patent number 1,446,748
    • Issue date Feb 27, 1923
    • G01 - MEASURING TESTING