Spring-head clip making

Patents Grantslast 30 patents

  • Information Patent Grant

    One-piece hairspring and method of manufacturing the same

    • Patent number 8,622,611
    • Issue date Jan 7, 2014
    • Montres Breguet SA
    • Pierre-André Buhler
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Method of manufacturing a one-piece hairspring

    • Patent number 8,296,953
    • Issue date Oct 30, 2012
    • Montres Breguet SA
    • Pierre-André Bühler
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Spring-forming control system and its control method for a spring f...

    • Patent number 7,676,297
    • Issue date Mar 9, 2010
    • Tzyh Ru Shyng Automation Co., Ltd.
    • Chih-Fu Chang
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of making a catch for jewelry clasp

    • Patent number 5,309,616
    • Issue date May 10, 1994
    • Do-All J.M.C. Inc.
    • Donald J. Sobin
    • A44 - HABERDASHERY JEWELLERY
  • Information Patent Grant

    Fluid coupling device, bimetal clip and method of assembly therefor

    • Patent number 4,190,140
    • Issue date Feb 26, 1980
    • Eaton Corporation
    • Phillip E. Konkle
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Leaf spring

    • Patent number 4,022,449
    • Issue date May 10, 1977
    • Stahlwerke Bruninghaus GmbH
    • Eckart v. Estorff
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2764809

    • Patent number 2,764,809
    • Issue date Oct 2, 1956
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2670950

    • Patent number 2,670,950
    • Issue date Mar 2, 1954
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2571475

    • Patent number 2,571,475
    • Issue date Oct 16, 1951
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    2214223

    • Patent number 2,214,223
    • Issue date Sep 10, 1940
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2016758

    • Patent number 2,016,758
    • Issue date Oct 8, 1935
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    1734008

    • Patent number 1,734,008
    • Issue date Oct 29, 1929
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1734025

    • Patent number 1,734,025
    • Issue date Oct 29, 1929
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    1665762

    • Patent number 1,665,762
    • Issue date Apr 10, 1928
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    488553

    • Patent number 488,553
    • Issue date Dec 20, 1892
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    389570

    • Patent number 389,570
    • Issue date Sep 18, 1888
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    379544

    • Patent number 379,544
    • Issue date Mar 13, 1888
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    341479

    • Patent number 341,479
    • Issue date May 11, 1886
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    326963

    • Patent number 326,963
    • Issue date Sep 29, 1885
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    325202

    • Patent number 325,202
    • Issue date Aug 25, 1885
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    323307

    • Patent number 323,307
    • Issue date Jul 28, 1885
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    322545

    • Patent number 322,545
    • Issue date Jul 21, 1885
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    216989

    • Patent number 216,989
    • Issue date Jul 1, 1879
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    157807

    • Patent number 157,807
    • Issue date Dec 15, 1874
    • F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
  • Information Patent Grant

    133424

    • Patent number 133,424
    • Issue date Nov 26, 1872
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    116311

    • Patent number 116,311
    • Issue date Jun 27, 1871
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    104194

    • Patent number 104,194
    • Issue date Jun 14, 1870
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    98376

    • Patent number 98,376
    • Issue date Dec 28, 1869
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    88861

    • Patent number 88,861
    • Issue date Apr 13, 1869
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents