TREA

Means to detect leaks in the pressure sensitive element

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  • CPC
  • H01H35/2671
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Parent Industries

HELECTRICITY H01Electric elements H01HELECTRIC SWITCHES RELAYS SELECTORS EMERGENCY PROTECTIVE DEVICES H01H35/00Switches operated by change of a physical condition

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H01H35/2671Means to detect leaks in the pressure sensitive element
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Patents Grantslast 30 patents

  • Information Patent Grant

    High anti-vibration gas density monitor
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    • Issue date Jan 30, 2024
    • SHANGHAI ROYE ELECTRIC CO., LTD.
    • Libo Luo
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Method for changing a working fluid in an expansion system, and exp...
    • Patent number 11,761,822
    • Issue date Sep 19, 2023
    • E.G.O. Elektro-Geraetebau GmbH
    • Christoph Jenz
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Pneumatic detector integrated alarm and fault switch
    • Patent number 9,153,400
    • Issue date Oct 6, 2015
    • Kidde Technologies, Inc.
    • David Frasure
    • G08 - SIGNALLING
  • Information Patent Grant

    Apparatus for sealing a vessel under pressure
    • Patent number 5,566,853
    • Issue date Oct 22, 1996
    • VIZ Manufacturing Co
    • Alfred R. Schenker
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Method of assembling a differential pressure monitoring device
    • Patent number 5,491,884
    • Issue date Feb 20, 1996
    • Viz Manufacturing Company, Inc.
    • Luken W. Potts
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Differential pressure monitoring device
    • Patent number 5,296,659
    • Issue date Mar 22, 1994
    • Viz Manufacturing Company, Inc.
    • Luken W. Potts
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Compact and lightweight pneumatic pressure detector for fire detect...
    • Patent number 5,136,278
    • Issue date Aug 4, 1992
    • Systron Donner Corporation
    • Nigel S. Watson
    • G08 - SIGNALLING
  • Information Patent Grant

    Fluid control valve and system with leak detection and containment
    • Patent number 4,901,751
    • Issue date Feb 20, 1990
    • Systems Chemistry, Inc.
    • Carl E. Story
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pressostat for pressure sensitive activation
    • Patent number 4,821,626
    • Issue date Apr 18, 1989
    • Ranco Incorporated of Delaware
    • Guglielmo Rossi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Tire pressure sensor for motor vehicles
    • Patent number 4,783,993
    • Issue date Nov 15, 1988
    • Robert Bosch GmbH
    • Haas Lothar
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Safety control
    • Patent number 4,596,361
    • Issue date Jun 24, 1986
    • Temp. Systems, Inc.
    • John J. Theiss
    • G05 - CONTROLLING REGULATING
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    Fail safe thermal control device
    • Patent number 4,565,920
    • Issue date Jan 21, 1986
    • Temp. Systems, Inc.
    • John J. Theiss
    • G05 - CONTROLLING REGULATING
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    Temperature control apparatus
    • Patent number 4,565,989
    • Issue date Jan 21, 1986
    • E.G.O. Elektro-Gerate Blanc u. Fischer
    • Bruno Lotter
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3924142
    • Patent number 3,924,142
    • Issue date Dec 2, 1975
    • G05 - CONTROLLING REGULATING
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    3916130
    • Patent number 3,916,130
    • Issue date Oct 28, 1975
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3898604
    • Patent number 3,898,604
    • Issue date Aug 5, 1975
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3882439
    • Patent number 3,882,439
    • Issue date May 6, 1975
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3842232
    • Patent number 3,842,232
    • Issue date Oct 15, 1974
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    3822371
    • Patent number 3,822,371
    • Issue date Jul 2, 1974
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3766833
    • Patent number 3,766,833
    • Issue date Oct 23, 1973
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    3766834
    • Patent number 3,766,834
    • Issue date Oct 23, 1973
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  • Information Patent Grant

    3760393
    • Patent number 3,760,393
    • Issue date Sep 18, 1973
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    3668592
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    • Issue date Jun 6, 1972
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    2840669
    • Patent number 2,840,669
    • Issue date Jun 24, 1958
    • H01 - BASIC ELECTRIC ELEMENTS
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    2671838
    • Patent number 2,671,838
    • Issue date Mar 9, 1954
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2596704
    • Patent number 2,596,704
    • Issue date May 13, 1952
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2589063
    • Patent number 2,589,063
    • Issue date Mar 11, 1952
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents