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  • CPC
  • B21C1/20
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BPERFORMING OPERATIONS TRANSPORTING B21Mechanical metalworking B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL B21C1/00Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing

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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for changing the callibration range of a drawing chain, comp...
    • Patent number 11,786,950
    • Issue date Oct 17, 2023
    • SMS GROUP GMBH
    • Thomas Cmiel
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Caterpillar-traction drawing machine and drawing method
    • Patent number 11,260,440
    • Issue date Mar 1, 2022
    • SMS GROUP GMBH SITZ DUESSELDORF
    • Thomas Cmiel
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Drawbench of a wire
    • Patent number 7,347,074
    • Issue date Mar 25, 2008
    • Enrico Cattinori
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Device and method for reshaping bar-shaped materials particularly f...
    • Patent number 7,257,979
    • Issue date Aug 21, 2007
    • BL Chemie GmbH & Co. KG
    • Werner Witte
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Drawing apparatus and method of operating same
    • Patent number 7,096,706
    • Issue date Aug 29, 2006
    • SMS Meer GmbH
    • Hermann-Josef Klingen
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of drawing metal workpieces and drawing unit for a drawing m...
    • Patent number 6,715,332
    • Issue date Apr 6, 2004
    • SMS Meer GmbH
    • Hermann-Josef Klingen
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Process and device for straight-drawing long drawing material in mu...
    • Patent number 5,771,727
    • Issue date Jun 30, 1998
    • Mannesmann Aktiengesellschaft
    • Horst Stinnertz
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method for straight-line drawing of round material
    • Patent number 4,805,434
    • Issue date Feb 21, 1989
    • Schumag AG
    • Karl-Heinz Komp
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Methods and apparatus for drawing wire
    • Patent number 4,754,633
    • Issue date Jul 5, 1988
    • Stelco Inc.
    • Alan C. Glover
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3844152
    • Patent number 3,844,152
    • Issue date Oct 29, 1974
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3819073
    • Patent number 3,819,073
    • Issue date Jun 25, 1974
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3525243
    • Patent number 3,525,243
    • Issue date Aug 25, 1970
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3290916
    • Patent number 3,290,916
    • Issue date Dec 13, 1966
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    2740136
    • Patent number 2,740,136
    • Issue date Apr 3, 1956
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents