TREA

using conical pendulums

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Industry

  • CPC
  • G04C3/0335
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Parent Industries

GPHYSICS G04Horology G04CELECTROMECHANICAL CLOCKS OR WATCHES G04C3/00Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means

Current Industry

G04C3/0335using conical pendulums
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    3515915
    • Patent number 3,515,915
    • Issue date Jun 2, 1970
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2722097
    • Patent number 2,722,097
    • Issue date Nov 1, 1955
    • G04 - HOROLOGY
  • Information Patent Grant

    1325862
    • Patent number 1,325,862
    • Issue date Dec 23, 1919
    • G04 - HOROLOGY
  • Information Patent Grant

    652875
    • Patent number 652,875
    • Issue date Jul 3, 1900
    • G04 - HOROLOGY