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Automatic stabilisation of net frequency with regard to time

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  • CPC
  • G04C15/0081
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Parent Industries

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

Current Industry

G04C15/0081Automatic stabilisation of net frequency with regard to time
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Patents Grantslast 30 patents

  • Information Patent Grant

    3644807
    • Patent number 3,644,807
    • Issue date Feb 22, 1972
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3566250
    • Patent number 3,566,250
    • Issue date Feb 23, 1971
    • G04 - HOROLOGY
  • Information Patent Grant

    3327824
    • Patent number 3,327,824
    • Issue date Jun 27, 1967
    • G04 - HOROLOGY
  • Information Patent Grant

    3235801
    • Patent number 3,235,801
    • Issue date Feb 15, 1966
    • G04 - HOROLOGY
  • Information Patent Grant

    2447798
    • Patent number 2,447,798
    • Issue date Aug 24, 1948
    • G04 - HOROLOGY
  • Information Patent Grant

    2248237
    • Patent number 2,248,237
    • Issue date Jul 8, 1941
    • G04 - HOROLOGY
  • Information Patent Grant

    2151317
    • Patent number 2,151,317
    • Issue date Mar 21, 1939
    • G04 - HOROLOGY
  • Information Patent Grant

    2087326
    • Patent number 2,087,326
    • Issue date Jul 20, 1937
    • G04 - HOROLOGY
  • Information Patent Grant

    2066349
    • Patent number 2,066,349
    • Issue date Jan 5, 1937
    • G04 - HOROLOGY
  • Information Patent Grant

    2037696
    • Patent number 2,037,696
    • Issue date Apr 21, 1936
    • G04 - HOROLOGY
  • Information Patent Grant

    2036268
    • Patent number 2,036,268
    • Issue date Apr 7, 1936
    • G04 - HOROLOGY
  • Information Patent Grant

    1998005
    • Patent number 1,998,005
    • Issue date Apr 16, 1935
    • G04 - HOROLOGY
  • Information Patent Grant

    1984920
    • Patent number 1,984,920
    • Issue date Dec 18, 1934
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    1984440
    • Patent number 1,984,440
    • Issue date Dec 18, 1934
    • G04 - HOROLOGY
  • Information Patent Grant

    1979398
    • Patent number 1,979,398
    • Issue date Nov 6, 1934
    • G04 - HOROLOGY
  • Information Patent Grant

    1971818
    • Patent number 1,971,818
    • Issue date Aug 28, 1934
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    1963727
    • Patent number 1,963,727
    • Issue date Jun 19, 1934
    • G04 - HOROLOGY
  • Information Patent Grant

    1960672
    • Patent number 1,960,672
    • Issue date May 29, 1934
    • G04 - HOROLOGY
  • Information Patent Grant

    1953790
    • Patent number 1,953,790
    • Issue date Apr 3, 1934
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    1938411
    • Patent number 1,938,411
    • Issue date Dec 5, 1933
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    1906439
    • Patent number 1,906,439
    • Issue date May 2, 1933
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    1897376
    • Patent number 1,897,376
    • Issue date Feb 14, 1933
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    1851154
    • Patent number 1,851,154
    • Issue date Mar 29, 1932
    • G04 - HOROLOGY
  • Information Patent Grant

    1836559
    • Patent number 1,836,559
    • Issue date Dec 15, 1931
    • G04 - HOROLOGY
  • Information Patent Grant

    1807698
    • Patent number 1,807,698
    • Issue date Jun 2, 1931
    • G04 - HOROLOGY
  • Information Patent Grant

    1685961
    • Patent number 1,685,961
    • Issue date Oct 2, 1928
    • G04 - HOROLOGY
  • Information Patent Grant

    1682461
    • Patent number 1,682,461
    • Issue date Aug 28, 1928
    • G04 - HOROLOGY
  • Information Patent Grant

    1618757
    • Patent number 1,618,757
    • Issue date Feb 22, 1927
    • G04 - HOROLOGY
  • Information Patent Grant

    1522216
    • Patent number 1,522,216
    • Issue date Jan 6, 1925
    • G04 - HOROLOGY
  • Information Patent Grant

    1505925
    • Patent number 1,505,925
    • Issue date Aug 19, 1924
    • G04 - HOROLOGY

Patents Applicationslast 30 patents