TREA

without special hermetic sealing pieces

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Industry

  • CPC
  • G04B37/113
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Parent Industries

GPHYSICS G04Horology G04BMECHANICALLY-DRIVEN CLOCKS OR WATCHES MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS G04B37/00Cases

Current Industry

G04B37/113without special hermetic sealing pieces
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Waterproof structure for watch
    • Patent number 12,321,136
    • Issue date Jun 3, 2025
    • Shenzhen Amazwear Technology CO., LTD.
    • Xianghua Wu
    • G04 - HOROLOGY
  • Information Patent Grant

    Device for fastening a back on a middle for a timepiece
    • Patent number 11,860,579
    • Issue date Jan 2, 2024
    • The Swatch Group Research and Development Ltd.
    • Joël Allimann
    • G04 - HOROLOGY
  • Information Patent Grant

    Waterproof watch and method for making
    • Patent number 4,293,942
    • Issue date Oct 6, 1981
    • BBC Brown, Boveri & Company, Limited
    • Hans Baumgartner
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Water-tight watch case
    • Patent number 4,104,867
    • Issue date Aug 8, 1978
    • Pacific Western Systems
    • Daniel A. Worsham
    • G04 - HOROLOGY

Patents Applicationslast 30 patents