retained closed by permanent or remanent magnetism and opened by windings acting in opposition

Patents Grantslast 30 patents

  • Information Patent Grant

    Electrical switching device and method for switching thereof with c...

    • Patent number 9,666,397
    • Issue date May 30, 2017
    • TE Connectivity Germany GmbH
    • Titus Ziegler
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Repeatedly usable high-operating-speed circuit protection device us...

    • Patent number 6,340,924
    • Issue date Jan 22, 2002
    • Fujitsu Takamisawa Component Limited
    • Nobuyoshi Shimizu
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Reusable fuse using current limiting polymer

    • Patent number 5,920,251
    • Issue date Jul 6, 1999
    • Eaton Corporation
    • John Joseph Shea
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Overcurrent switch

    • Patent number 4,126,841
    • Issue date Nov 21, 1978
    • Fujitsu Limited
    • Chiaki Maeno
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Circuit interrupter with electromagnetic opening means

    • Patent number 3,991,391
    • Issue date Nov 9, 1976
    • Westinghouse Electric Corporation
    • John A. Wafer
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3702980

    • Patent number 3,702,980
    • Issue date Nov 14, 1972
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3453566

    • Patent number 3,453,566
    • Issue date Jul 1, 1969
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3373383

    • Patent number 3,373,383
    • Issue date Mar 12, 1968
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3295023

    • Patent number 3,295,023
    • Issue date Dec 27, 1966
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    1687515

    • Patent number 1,687,515
    • Issue date Oct 16, 1928
    • H01 - BASIC ELECTRIC ELEMENTS