TREA

double-ended

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Industry

  • CPC
  • B21K1/52
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B21Mechanical metalworking B21KMAKING FORGED OR PRESSED METAL PRODUCTS B21K1/00Making machine elements

Current Industry

B21K1/52double-ended
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Methods and apparatus for forming a workpiece
    • Patent number 7,207,203
    • Issue date Apr 24, 2007
    • General Electric Company
    • Randall Stephen Corn
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of manufacturing of fastening elements
    • Patent number 6,234,913
    • Issue date May 22, 2001
    • Hilti Akteingesellschaft
    • Christian Bömcke
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Extruded metal chain pin
    • Patent number 5,378,205
    • Issue date Jan 3, 1995
    • Allen P. Gohl
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method and apparatus for simultaneously upsetting the ends of a cyl...
    • Patent number 5,365,765
    • Issue date Nov 22, 1994
    • Allen P. Gohl
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3588933
    • Patent number 3,588,933
    • Issue date Jun 29, 1971
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2667796
    • Patent number 2,667,796
    • Issue date Feb 2, 1954
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2371041
    • Patent number 2,371,041
    • Issue date Mar 6, 1945
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1479835
    • Patent number 1,479,835
    • Issue date Jan 8, 1924
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1121173
    • Patent number 1,121,173
    • Issue date Dec 15, 1914
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

  • Information Patent Application

    Conveyor chain pin forming facility
    • Publication number 20050235723
    • Publication date Oct 27, 2005
    • Shun-Lung Chang
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Methods and apparatus for forming a workpiece
    • Publication number 20050235724
    • Publication date Oct 27, 2005
    • Randall Stephen Corn
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...