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  • CPC
  • G04C15/0036
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GPHYSICS G04Horology G04CELECTROMECHANICAL CLOCKS OR WATCHES G04C15/00Clocks driven by synchronous motors

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G04C15/0036provided with means for indicating disturbance
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method and apparatus for controlling the rotational speed and phase...
    • Patent number 4,418,307
    • Issue date Nov 29, 1983
    • Braun Aktiengesellschaft
    • Harald Hoffmann
    • G04 - HOROLOGY
  • Information Patent Grant

    3641545
    • Patent number 3,641,545
    • Issue date Feb 8, 1972
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3022498
    • Patent number 3,022,498
    • Issue date Feb 20, 1962
    • G08 - SIGNALLING
  • Information Patent Grant

    2751579
    • Patent number 2,751,579
    • Issue date Jun 19, 1956
    • G04 - HOROLOGY
  • Information Patent Grant

    2690550
    • Patent number 2,690,550
    • Issue date Sep 28, 1954
    • G04 - HOROLOGY
  • Information Patent Grant

    2609431
    • Patent number 2,609,431
    • Issue date Sep 2, 1952
    • G04 - HOROLOGY
  • Information Patent Grant

    2528247
    • Patent number 2,528,247
    • Issue date Oct 31, 1950
    • G04 - HOROLOGY
  • Information Patent Grant

    2513913
    • Patent number 2,513,913
    • Issue date Jul 4, 1950
    • G04 - HOROLOGY
  • Information Patent Grant

    2491103
    • Patent number 2,491,103
    • Issue date Dec 13, 1949
    • G04 - HOROLOGY
  • Information Patent Grant

    2488824
    • Patent number 2,488,824
    • Issue date Nov 22, 1949
    • G04 - HOROLOGY
  • Information Patent Grant

    2430782
    • Patent number 2,430,782
    • Issue date Nov 11, 1947
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2297838
    • Patent number 2,297,838
    • Issue date Oct 6, 1942
    • G04 - HOROLOGY
  • Information Patent Grant

    2099759
    • Patent number 2,099,759
    • Issue date Nov 23, 1937
    • G04 - HOROLOGY
  • Information Patent Grant

    2081450
    • Patent number 2,081,450
    • Issue date May 25, 1937
    • G04 - HOROLOGY
  • Information Patent Grant

    2063076
    • Patent number 2,063,076
    • Issue date Dec 8, 1936
    • G04 - HOROLOGY
  • Information Patent Grant

    2022715
    • Patent number 2,022,715
    • Issue date Dec 3, 1935
    • G04 - HOROLOGY
  • Information Patent Grant

    2016389
    • Patent number 2,016,389
    • Issue date Oct 8, 1935
    • G04 - HOROLOGY
  • Information Patent Grant

    1995497
    • Patent number 1,995,497
    • Issue date Mar 26, 1935
    • G04 - HOROLOGY
  • Information Patent Grant

    1977350
    • Patent number 1,977,350
    • Issue date Oct 16, 1934
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1956028
    • Patent number 1,956,028
    • Issue date Apr 24, 1934
    • G04 - HOROLOGY
  • Information Patent Grant

    1955155
    • Patent number 1,955,155
    • Issue date Apr 17, 1934
    • G04 - HOROLOGY
  • Information Patent Grant

    1954660
    • Patent number 1,954,660
    • Issue date Apr 10, 1934
    • G04 - HOROLOGY
  • Information Patent Grant

    1913849
    • Patent number 1,913,849
    • Issue date Jun 13, 1933
    • G04 - HOROLOGY
  • Information Patent Grant

    1912558
    • Patent number 1,912,558
    • Issue date Jun 6, 1933
    • G04 - HOROLOGY
  • Information Patent Grant

    1334423
    • Patent number 1,334,423
    • Issue date Mar 23, 1920
    • G04 - HOROLOGY

Patents Applicationslast 30 patents