TREA

using diaphragm using stretched wire or ribbon vibrating sideways

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Industry

  • CPC
  • H01H50/78
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Parent Industries

HELECTRICITY H01Electric elements H01HELECTRIC SWITCHES RELAYS SELECTORS EMERGENCY PROTECTIVE DEVICES H01H50/00Details of electromagnetic relays

Current Industry

H01H50/78using diaphragm using stretched wire or ribbon vibrating sideways
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    2487604
    • Patent number 2,487,604
    • Issue date Nov 8, 1949
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2402593
    • Patent number 2,402,593
    • Issue date Jun 25, 1946
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents