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with level of surface of contact liquid displaced by non-electrical contact-making plunger

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  • CPC
  • H01H29/18
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Parent Industries

HELECTRICITY H01Electric elements H01HELECTRIC SWITCHES RELAYS SELECTORS EMERGENCY PROTECTIVE DEVICES H01H29/00Switches having at least one liquid contact

Current Industry

H01H29/18with level of surface of contact liquid displaced by non-electrical contact-making plunger
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Liquid filled bellows activated switch and voltage source made ther...
    • Patent number 9,978,548
    • Issue date May 22, 2018
    • Preciflex SA
    • Johann Rohner
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Device forming a pressure sensor, method for producing such a senso...
    • Patent number 9,057,651
    • Issue date Jun 16, 2015
    • Commissariat a l'Energie Atomique et Aux Energies Alternatives
    • Mohamed Benwadih
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Insertion-type liquid metal latching relay array
    • Patent number 6,879,088
    • Issue date Apr 12, 2005
    • Agilent Technologies, Inc.
    • Marvin Glenn Wong
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Impulse mercury relay with magnetic interlock switch
    • Patent number 4,642,593
    • Issue date Feb 10, 1987
    • George H. Elenbaas
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Mercury displacement relay
    • Patent number 4,366,458
    • Issue date Dec 28, 1982
    • George H. Elenbaas
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Thermal cut-off fuse
    • Patent number 4,210,893
    • Issue date Jul 1, 1980
    • Nifco Inc.
    • Kunio Hara
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Self-encoding key switch and keyboard and keyboard system utilizing...
    • Patent number 4,172,251
    • Issue date Oct 23, 1979
    • Carlo Faustini
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Conductive liquid switches
    • Patent number 4,036,827
    • Issue date Jul 19, 1977
    • Inflo Systems, Inc.
    • Donald S. Rich
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Switch mechanisms
    • Patent number 3,934,215
    • Issue date Jan 20, 1976
    • Inflo Systems, Inc.
    • Donald S. Rich
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3904999
    • Patent number 3,904,999
    • Issue date Sep 9, 1975
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3903389
    • Patent number 3,903,389
    • Issue date Sep 2, 1975
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3673524
    • Patent number 3,673,524
    • Issue date Jun 27, 1972
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3569877
    • Patent number 3,569,877
    • Issue date Mar 9, 1971
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3519965
    • Patent number 3,519,965
    • Issue date Jul 7, 1970
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3497837
    • Patent number 3,497,837
    • Issue date Feb 24, 1970
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3492611
    • Patent number 3,492,611
    • Issue date Jan 27, 1970
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3487358
    • Patent number 3,487,358
    • Issue date Dec 30, 1969
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    3377445
    • Patent number 3,377,445
    • Issue date Apr 9, 1968
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3363205
    • Patent number 3,363,205
    • Issue date Jan 9, 1968
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3358109
    • Patent number 3,358,109
    • Issue date Dec 12, 1967
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3354283
    • Patent number 3,354,283
    • Issue date Nov 21, 1967
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3330928
    • Patent number 3,330,928
    • Issue date Jul 11, 1967
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3328546
    • Patent number 3,328,546
    • Issue date Jun 27, 1967
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3317694
    • Patent number 3,317,694
    • Issue date May 2, 1967
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3308405
    • Patent number 3,308,405
    • Issue date Mar 7, 1967
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3278713
    • Patent number 3,278,713
    • Issue date Oct 11, 1966
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3274522
    • Patent number 3,274,522
    • Issue date Sep 20, 1966
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3240900
    • Patent number 3,240,900
    • Issue date Mar 15, 1966
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3209099
    • Patent number 3,209,099
    • Issue date Sep 28, 1965
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3198911
    • Patent number 3,198,911
    • Issue date Aug 3, 1965
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents