TREA

using an electro-magnet

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Industry

  • CPC
  • G04C11/081
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Parent Industries

GPHYSICS G04Horology G04CELECTROMECHANICAL CLOCKS OR WATCHES G04C11/00Synchronisation of independently-driven clocks

Current Industry

G04C11/081using an electro-magnet
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Timepiece comprising a mechanical oscillator wherein the medium fre...
    • Patent number 11,687,041
    • Issue date Jun 27, 2023
    • The Swatch Group Research and Development Ltd.
    • Lionel Tombez
    • G04 - HOROLOGY
  • Information Patent Grant

    High frequency reed time governor for a timepiece
    • Patent number 4,010,602
    • Issue date Mar 8, 1977
    • Timex Corporation
    • Paul Wuthrich
    • G04 - HOROLOGY
  • Information Patent Grant

    Electronic timepiece
    • Patent number 3,948,036
    • Issue date Apr 6, 1976
    • Citizen Watch Co., Ltd.
    • Shigeru Morokawa
    • G04 - HOROLOGY
  • Information Patent Grant

    3675147
    • Patent number 3,675,147
    • Issue date Jul 4, 1972
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3648453
    • Patent number 3,648,453
    • Issue date Mar 14, 1972
    • G04 - HOROLOGY
  • Information Patent Grant

    3629743
    • Patent number 3,629,743
    • Issue date Dec 21, 1971
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3629727
    • Patent number 3,629,727
    • Issue date Dec 21, 1971
    • G04 - HOROLOGY
  • Information Patent Grant

    3616638
    • Patent number 3,616,638
    • Issue date Nov 2, 1971
    • G04 - HOROLOGY
  • Information Patent Grant

    3590573
    • Patent number 3,590,573
    • Issue date Jul 6, 1971
    • G04 - HOROLOGY
  • Information Patent Grant

    3512351
    • Patent number 3,512,351
    • Issue date May 19, 1970
    • G04 - HOROLOGY
  • Information Patent Grant

    3282042
    • Patent number 3,282,042
    • Issue date Nov 1, 1966
    • G04 - HOROLOGY
  • Information Patent Grant

    3212252
    • Patent number 3,212,252
    • Issue date Oct 19, 1965
    • G04 - HOROLOGY
  • Information Patent Grant

    3163978
    • Patent number 3,163,978
    • Issue date Jan 5, 1965
    • G04 - HOROLOGY

Patents Applicationslast 30 patents