TREA

based on the change of magnetic properties

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Industry

  • CPC
  • H01H43/309
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Parent Industries

HELECTRICITY H01Electric elements H01HELECTRIC SWITCHES RELAYS SELECTORS EMERGENCY PROTECTIVE DEVICES H01H43/00Time or time-programme switches providing a choice of time intervals for executing one or more switching actions and automatically terminating their operations after the programme is completed

Current Industry

H01H43/309based on the change of magnetic properties
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    2784355
    • Patent number 2,784,355
    • Issue date Mar 5, 1957
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2020106
    • Patent number 2,020,106
    • Issue date Nov 5, 1935
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents