TREA

to spirals other than flat

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Industry

  • CPC
  • B21F3/10
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B21Mechanical metalworking B21FWORKING OR PROCESSING OF METAL WIRE B21F3/00Coiling wire into particular forms

Current Industry

B21F3/10to spirals other than flat
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Device and method for forming end of coiled spring
    • Patent number 10,828,690
    • Issue date Nov 10, 2020
    • Mitsubishi Steel Mfg. Co., Ltd.
    • Takashi Eto
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Soil auger and method of manufacture
    • Patent number 10,589,332
    • Issue date Mar 17, 2020
    • Sentek Pty Ltd
    • Peter Tucker
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Coil winding method and winding apparatus
    • Patent number 10,418,173
    • Issue date Sep 17, 2019
    • SHT Corporation Limited
    • Hitoshi Yoshimori
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Device and method for forming end of coiled spring
    • Patent number 8,915,112
    • Issue date Dec 23, 2014
    • Mitsubishi Steel Mfg. Co., Ltd.
    • Takashi Eto
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Apparatus and method for forming wire
    • Patent number 8,826,945
    • Issue date Sep 9, 2014
    • Thomas M. Clerkin
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Apparatus and method for manufacturing barrel coil spring
    • Patent number 8,424,352
    • Issue date Apr 23, 2013
    • Dae Won Kang Up Co., Ltd.
    • Chan-Gi Jung
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Apparatus and method for forming wire
    • Patent number 7,617,847
    • Issue date Nov 17, 2009
    • Thomas M. Clerkin
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Cassette pigtailing machine for a coil spring
    • Patent number 7,198,068
    • Issue date Apr 3, 2007
    • Meritor Suspension Systems Co.
    • Jeffrey Paul Dixon
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of manufacturing a coil spring having an oblique and straigh...
    • Patent number 6,928,846
    • Issue date Aug 16, 2005
    • NHK Spring Co., Ltd.
    • Takeshi Furuse
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method for producing an inclined helical spring
    • Patent number 6,550,301
    • Issue date Apr 22, 2003
    • Chuo Hatsujo Kabushiki Kaisha
    • Keiji Hasegawa
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Inductor winding with conductive ribbon
    • Patent number 5,770,991
    • Issue date Jun 23, 1998
    • Texas Instruments Incorporated
    • Donald R. Baird
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Spring coiling machine with hybrid servo motor-cam torsion control
    • Patent number 5,657,657
    • Issue date Aug 19, 1997
    • BHS-Torin Inc.
    • Colin Welsh
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Inductor winding method
    • Patent number 5,481,792
    • Issue date Jan 9, 1996
    • Donald R. Baird
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Inductor winding apparatus and method
    • Patent number 5,321,965
    • Issue date Jun 21, 1994
    • Texas Instruments Incorporated
    • Donald R. Baird
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Apparatus for making coiled springs
    • Patent number 5,269,165
    • Issue date Dec 14, 1993
    • MEC Machinery Co., Ltd.
    • Takeji Matsuoka
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method for making coiled springs
    • Patent number 5,182,930
    • Issue date Feb 2, 1993
    • MEC Machinery Co., Ltd.
    • Takeji Matsuoka
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method and apparatus for making double-coned coil springs
    • Patent number 4,967,580
    • Issue date Nov 6, 1990
    • Morita Iron Works Co., Ltd.
    • Motoo Morita
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method and apparatus for forming a barrel coil spring
    • Patent number 4,945,744
    • Issue date Aug 7, 1990
    • Rockwell International Suspension Systems Company
    • Gerold Lienert
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Computer controlled coiling machine
    • Patent number 4,873,854
    • Issue date Oct 17, 1989
    • Sleeper & Hartley Corp.
    • Frank S. Russell
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Spring coiling machine with dual arbors
    • Patent number 4,798,072
    • Issue date Jan 17, 1989
    • Newcomb Spring Corp.
    • Peter Vanmeggelen
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method and apparatus for forming a pig tail end on a coil spring
    • Patent number 4,571,973
    • Issue date Feb 25, 1986
    • Morita Iron Works Company, Ltd.
    • Motoo Morita
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of forming a coil spring
    • Patent number 4,444,036
    • Issue date Apr 24, 1984
    • NHK Spring Co., Ltd.
    • Masaharu Shibata
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Arrangement for fabricating double conical springs
    • Patent number 4,424,695
    • Issue date Jan 10, 1984
    • Estel Hoesch Werke Aktiengesellschaft
    • Ernst Kirchhoff
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Spring coiling machine with improved coil starter means
    • Patent number 4,387,585
    • Issue date Jun 14, 1983
    • Torin Corporation
    • Erman V. Cavagnero
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Machine for coiling metal wire
    • Patent number 4,173,135
    • Issue date Nov 6, 1979
    • Enrico Lamperti
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3626581
    • Patent number 3,626,581
    • Issue date Dec 14, 1971
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3340712
    • Patent number 3,340,712
    • Issue date Sep 12, 1967
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2389109
    • Patent number 2,389,109
    • Issue date Nov 13, 1945
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2340472
    • Patent number 2,340,472
    • Issue date Feb 1, 1944
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2335423
    • Patent number 2,335,423
    • Issue date Nov 30, 1943
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents