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Ferraris relays

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  • CPC
  • H01H53/12
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Parent Industries

HELECTRICITY H01Electric elements H01HELECTRIC SWITCHES RELAYS SELECTORS EMERGENCY PROTECTIVE DEVICES H01H53/00Relays using the dynamo-electric effect

Current Industry

H01H53/12Ferraris relays
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Electromagnet relay with flux biasing
    • Patent number 4,968,960
    • Issue date Nov 6, 1990
    • ABB Power T&D Company Inc.
    • Redjem Bouhenguel
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3673446
    • Patent number 3,673,446
    • Issue date Jun 27, 1972
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3109962
    • Patent number 3,109,962
    • Issue date Nov 5, 1963
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3036248
    • Patent number 3,036,248
    • Issue date May 22, 1962
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2994751
    • Patent number 2,994,751
    • Issue date Aug 1, 1961
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2872626
    • Patent number 2,872,626
    • Issue date Feb 3, 1959
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2819430
    • Patent number 2,819,430
    • Issue date Jan 7, 1958
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2815471
    • Patent number 2,815,471
    • Issue date Dec 3, 1957
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2811680
    • Patent number 2,811,680
    • Issue date Oct 29, 1957
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2797369
    • Patent number 2,797,369
    • Issue date Jun 25, 1957
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2444619
    • Patent number 2,444,619
    • Issue date Jul 6, 1948
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2309757
    • Patent number 2,309,757
    • Issue date Feb 2, 1943
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2110655
    • Patent number 2,110,655
    • Issue date Mar 8, 1938
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1920818
    • Patent number 1,920,818
    • Issue date Aug 1, 1933
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1603049
    • Patent number 1,603,049
    • Issue date Oct 12, 1926
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1273940
    • Patent number 1,273,940
    • Issue date Jul 30, 1918
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1189883
    • Patent number 1,189,883
    • Issue date Jul 4, 1916
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1137840
    • Patent number 1,137,840
    • Issue date May 4, 1915
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    757030
    • Patent number 757,030
    • Issue date Apr 12, 1904
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents