Roughening or texturing surfaces of structural sections, bars, rounds, wire rods

Industry

  • CPC
  • B21B2001/081
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for setting roll gap of sinusoidal corrugated rolling for me...

    • Patent number 12,023,720
    • Issue date Jul 2, 2024
    • Taiyuan University of Technology
    • Yuanming Liu
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method for determining the stamping quality of profiled bar material

    • Patent number 10,232,420
    • Issue date Mar 19, 2019
    • Zumbach Electronic AG
    • Urs Peter Studer
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Clad steel rolled section for reinforcing concrete and method of pr...

    • Patent number 6,663,984
    • Issue date Dec 16, 2003
    • Zakrytoe Aktsionerone Obschestvo “Transkom”
    • Vasily Petrovich Vostrikov
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Spring washer and method for making the same

    • Patent number 5,809,820
    • Issue date Sep 22, 1998
    • Nissan Screw Co., Ltd.
    • Toshiaki Morimoto
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of producing improved serrated flats used in the manufacturi...

    • Patent number 4,338,807
    • Issue date Jul 13, 1982
    • Armco Inc.
    • Marion P. Ricono
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3538732

    • Patent number 3,538,732
    • Issue date Nov 10, 1970
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3365791

    • Patent number 3,365,791
    • Issue date Jan 30, 1968
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3335596

    • Patent number 3,335,596
    • Issue date Aug 15, 1967
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2821727

    • Patent number 2,821,727
    • Issue date Feb 4, 1958
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2246578

    • Patent number 2,246,578
    • Issue date Jun 24, 1941
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents