TREA

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Industry

  • CPC
  • H01H33/84
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Parent Industries

HELECTRICITY H01Electric elements H01HELECTRIC SWITCHES RELAYS SELECTORS EMERGENCY PROTECTIVE DEVICES H01H33/00High-tension or heavy-current switches with arc-extinguishing or arc-preventing means

Current Industry

H01H33/84the fluid being liquid
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    2056009
    • Patent number 2,056,009
    • Issue date Sep 29, 1936
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1712174
    • Patent number 1,712,174
    • Issue date May 7, 1929
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1276675
    • Patent number 1,276,675
    • Issue date Aug 20, 1918
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents