Silencers for suppressing noise of switch operation

Patents Grantslast 30 patents

  • Information Patent Grant

    Arrangement comprising a circuit breaker unit

    • Patent number 9,251,981
    • Issue date Feb 2, 2016
    • Siemens Aktiengesellschaft
    • Radu-Marian Cernat
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3745285

    • Patent number 3,745,285
    • Issue date Jul 10, 1973
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3719912

    • Patent number 3,719,912
    • Issue date Mar 6, 1973
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3621169

    • Patent number 3,621,169
    • Issue date Nov 16, 1971
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3617667

    • Patent number 3,617,667
    • Issue date Nov 2, 1971
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3448231

    • Patent number 3,448,231
    • Issue date Jun 3, 1969
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3134876

    • Patent number 3,134,876
    • Issue date May 26, 1964
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2302592

    • Patent number 2,302,592
    • Issue date Nov 17, 1942
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1984396

    • Patent number 1,984,396
    • Issue date Dec 18, 1934
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1045419

    • Patent number 1,045,419
    • Issue date Nov 26, 1912
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents