TREA

by drums or drum-like devices

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Industry

  • CPC
  • G04C17/0075
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Parent Industries

GPHYSICS G04Horology G04CELECTROMECHANICAL CLOCKS OR WATCHES G04C17/00indicating the time optically by electric means

Current Industry

G04C17/0075by drums or drum-like devices
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Clock-driving device combined with a conventional core
    • Patent number 6,898,154
    • Issue date May 24, 2005
    • Kuei-Wen Sheu
    • G04 - HOROLOGY
  • Information Patent Grant

    Children's timer device for indicating waking time and slee...
    • Patent number 6,392,963
    • Issue date May 21, 2002
    • K. Anya McGinnis-Smith
    • G04 - HOROLOGY
  • Information Patent Grant

    Watch driven elapsed time indicator apparatus and its method of man...
    • Patent number 5,581,520
    • Issue date Dec 3, 1996
    • Electrodynamics, Inc.
    • Gerald W. Ogden
    • G07 - CHECKING-DEVICES
  • Information Patent Grant

    Transfigurating timepieces
    • Patent number 4,858,209
    • Issue date Aug 15, 1989
    • Yaron Chaut
    • G04 - HOROLOGY
  • Information Patent Grant

    Elapsed time indicator
    • Patent number 4,277,841
    • Issue date Jul 7, 1981
    • General Time Corporation
    • Gerald W. Ogden
    • G04 - HOROLOGY
  • Information Patent Grant

    Automatic calendar
    • Patent number 4,031,642
    • Issue date Jun 28, 1977
    • Aoki; Motomu
    • Motomu Aoki
    • G04 - HOROLOGY
  • Information Patent Grant

    Digital clock
    • Patent number 3,953,965
    • Issue date May 4, 1976
    • Kabushiki Kaisha Tamura Denki Seisakusho
    • Kanji Tobeta
    • G04 - HOROLOGY
  • Information Patent Grant

    3908354
    • Patent number 3,908,354
    • Issue date Sep 30, 1975
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    3903687
    • Patent number 3,903,687
    • Issue date Sep 9, 1975
    • G04 - HOROLOGY
  • Information Patent Grant

    3886725
    • Patent number 3,886,725
    • Issue date Jun 3, 1975
    • G04 - HOROLOGY
  • Information Patent Grant

    3875737
    • Patent number 3,875,737
    • Issue date Apr 8, 1975
    • G04 - HOROLOGY
  • Information Patent Grant

    3875740
    • Patent number 3,875,740
    • Issue date Apr 8, 1975
    • G04 - HOROLOGY
  • Information Patent Grant

    3823546
    • Patent number 3,823,546
    • Issue date Jul 16, 1974
    • G04 - HOROLOGY
  • Information Patent Grant

    3808791
    • Patent number 3,808,791
    • Issue date May 7, 1974
    • G04 - HOROLOGY
  • Information Patent Grant

    3807167
    • Patent number 3,807,167
    • Issue date Apr 30, 1974
    • G04 - HOROLOGY
  • Information Patent Grant

    3798634
    • Patent number 3,798,634
    • Issue date Mar 19, 1974
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    3766728
    • Patent number 3,766,728
    • Issue date Oct 23, 1973
    • G04 - HOROLOGY
  • Information Patent Grant

    3766731
    • Patent number 3,766,731
    • Issue date Oct 23, 1973
    • G04 - HOROLOGY
  • Information Patent Grant

    3745852
    • Patent number 3,745,852
    • Issue date Jul 17, 1973
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    3721086
    • Patent number 3,721,086
    • Issue date Mar 20, 1973
    • G04 - HOROLOGY
  • Information Patent Grant

    3708973
    • Patent number 3,708,973
    • Issue date Jan 9, 1973
    • G04 - HOROLOGY
  • Information Patent Grant

    3690063
    • Patent number 3,690,063
    • Issue date Sep 12, 1972
    • G04 - HOROLOGY
  • Information Patent Grant

    3622761
    • Patent number 3,622,761
    • Issue date Nov 23, 1971
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    3616643
    • Patent number 3,616,643
    • Issue date Nov 2, 1971
    • G04 - HOROLOGY
  • Information Patent Grant

    3609956
    • Patent number 3,609,956
    • Issue date Oct 5, 1971
    • G04 - HOROLOGY
  • Information Patent Grant

    3585375
    • Patent number 3,585,375
    • Issue date Jun 15, 1971
    • G04 - HOROLOGY
  • Information Patent Grant

    3574274
    • Patent number 3,574,274
    • Issue date Apr 13, 1971
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    3495396
    • Patent number 3,495,396
    • Issue date Feb 17, 1970
    • G04 - HOROLOGY
  • Information Patent Grant

    3328954
    • Patent number 3,328,954
    • Issue date Jul 4, 1967
    • G04 - HOROLOGY
  • Information Patent Grant

    3275807
    • Patent number 3,275,807
    • Issue date Sep 27, 1966
    • G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents