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Patents Grantslast 30 patents

  • Information Patent Grant

    Form rolling apparatus and form rolling method

    • Patent number 9,707,616
    • Issue date Jul 18, 2017
    • Aisin Seiki Kabushiki Kaisha
    • Eiri Nagata
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method and apparatus to control the lateral motion of a long metal...

    • Patent number 7,861,567
    • Issue date Jan 4, 2011
    • OG Technologies, Inc.
    • Tzyy-Shuh Chang
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method and an apparatus to control the lateral motion of a long met...

    • Patent number 7,275,404
    • Issue date Oct 2, 2007
    • OG Technologies, Inc.
    • Tzyy-Shuh Chang
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2839956

    • Patent number 2,839,956
    • Issue date Jun 24, 1958
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2734618

    • Patent number 2,734,618
    • Issue date Feb 14, 1956
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2649003

    • Patent number 2,649,003
    • Issue date Aug 18, 1953
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2023880

    • Patent number 2,023,880
    • Issue date Dec 10, 1935
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2007334

    • Patent number 2,007,334
    • Issue date Jul 9, 1935
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1791962

    • Patent number 1,791,962
    • Issue date Feb 10, 1931
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1394671

    • Patent number 1,394,671
    • Issue date Oct 25, 1921
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1376300

    • Patent number 1,376,300
    • Issue date Apr 26, 1921
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1340129

    • Patent number 1,340,129
    • Issue date May 11, 1920
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1327315

    • Patent number 1,327,315
    • Issue date Jan 6, 1920
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents