using electro-magnetic coupling between electric power source and pendulum

Patents Grantslast 30 patents

  • Information Patent Grant

    Structure of a ultrathin clock

    • Patent number 5,442,601
    • Issue date Aug 15, 1995
    • Ching-Ti Chen
    • G04 - HOROLOGY
  • Information Patent Grant

    Electromagnetic drive circuit

    • Patent number 4,866,564
    • Issue date Sep 12, 1989
    • Seikosha Co., Ltd.
    • Hiroshi Aoki
    • G04 - HOROLOGY
  • Information Patent Grant

    Electromagnetic driving circuit

    • Patent number 4,825,332
    • Issue date Apr 25, 1989
    • Hiroshi Aoki
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Whole body swingable clock

    • Patent number 4,468,132
    • Issue date Aug 28, 1984
    • Rhythm Watch Co., Ltd.
    • Norihiko Nakamura
    • G04 - HOROLOGY
  • Information Patent Grant

    Pendulum arrangement for clock movement

    • Patent number 4,449,831
    • Issue date May 22, 1984
    • Rhythm Watch Co., Ltd.
    • Masaru Itami
    • G04 - HOROLOGY
  • Information Patent Grant

    Pendulum arrangement of pendulum clock

    • Patent number 4,378,166
    • Issue date Mar 29, 1983
    • Rhythm Watch Company, Ltd.
    • Masaru Itami
    • G04 - HOROLOGY
  • Information Patent Grant

    Mechanically operating pendulum clock with an electronic correcting...

    • Patent number 4,196,579
    • Issue date Apr 8, 1980
    • Urgos Uhrenfabrik Schwenningen, Haller, Jauch und Pabst GmbH & Co.
    • Konrad Schaefer
    • G04 - HOROLOGY
  • Information Patent Grant

    Pendulum device for battery-powered clockwork mechanism

    • Patent number 4,043,118
    • Issue date Aug 23, 1977
    • Kienzle Uhrenfabriken GmbH
    • Albrecht Haag
    • G04 - HOROLOGY
  • Information Patent Grant

    Electromechanical clock

    • Patent number 3,990,226
    • Issue date Nov 9, 1976
    • Kieninger & Obergfell Fabrik fur technische Laufwerke und Apparate
    • Wolfgang Fehrenbacher
    • G04 - HOROLOGY
  • Information Patent Grant

    3798891

    • Patent number 3,798,891
    • Issue date Mar 26, 1974
    • G04 - HOROLOGY
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    3762154

    • Patent number 3,762,154
    • Issue date Oct 2, 1973
    • G04 - HOROLOGY
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    3750386

    • Patent number 3,750,386
    • Issue date Aug 7, 1973
    • G04 - HOROLOGY
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    3605401

    • Patent number 3,605,401
    • Issue date Sep 20, 1971
    • G04 - HOROLOGY
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    3457483

    • Patent number 3,457,483
    • Issue date Jul 22, 1969
    • G04 - HOROLOGY
  • Information Patent Grant

    3424960

    • Patent number 3,424,960
    • Issue date Jan 28, 1969
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    3403312

    • Patent number 3,403,312
    • Issue date Sep 24, 1968
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3360703

    • Patent number 3,360,703
    • Issue date Dec 26, 1967
    • G04 - HOROLOGY
  • Information Patent Grant

    3221231

    • Patent number 3,221,231
    • Issue date Nov 30, 1965
    • G04 - HOROLOGY
  • Information Patent Grant

    3168690

    • Patent number 3,168,690
    • Issue date Feb 2, 1965
    • G04 - HOROLOGY
  • Information Patent Grant

    3128398

    • Patent number 3,128,398
    • Issue date Apr 7, 1964
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3124730

    • Patent number 3,124,730
    • Issue date Mar 10, 1964
    • G04 - HOROLOGY
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    3118098

    • Patent number 3,118,098
    • Issue date Jan 14, 1964
    • G04 - HOROLOGY
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    3100278

    • Patent number 3,100,278
    • Issue date Aug 6, 1963
    • G04 - HOROLOGY
  • Information Patent Grant

    3040225

    • Patent number 3,040,225
    • Issue date Jun 19, 1962
    • G04 - HOROLOGY
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    2974265

    • Patent number 2,974,265
    • Issue date Mar 7, 1961
    • G04 - HOROLOGY
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    2949583

    • Patent number 2,949,583
    • Issue date Aug 16, 1960
    • G04 - HOROLOGY
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    2847818

    • Patent number 2,847,818
    • Issue date Aug 19, 1958
    • G04 - HOROLOGY
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    2761982

    • Patent number 2,761,982
    • Issue date Sep 4, 1956
    • G04 - HOROLOGY
  • Information Patent Grant

    2739250

    • Patent number 2,739,250
    • Issue date Mar 20, 1956
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2642715

    • Patent number 2,642,715
    • Issue date Jun 23, 1953
    • G04 - HOROLOGY

Patents Applicationslast 30 patents