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  • CPC
  • B21B43/006
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Patents Grantslast 30 patents

  • Information Patent Grant

    System and method for hardening rails

    • Patent number 8,557,172
    • Issue date Oct 15, 2013
    • voestalpine Schienen GmbH
    • Norbert Koeck
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    System and method for hardening rails

    • Patent number 8,226,883
    • Issue date Jul 24, 2012
    • voestalpine Schienen GmbH
    • Norbert Koeck
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Device to separate rolled bars

    • Patent number 6,311,829
    • Issue date Nov 6, 2001
    • Danieli & C. Officine Meccaniche SpA
    • Alfredo Poloni
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Separation device for rolled bars

    • Patent number 6,220,812
    • Issue date Apr 24, 2001
    • Danieli & C. Officine Meccaniche SpA
    • Giuseppe Bordignon
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Plant for straightening and cutting to length rolled sections or bars

    • Patent number 4,872,330
    • Issue date Oct 10, 1989
    • Danieli & C. Officine Meccaniche S.p.A.
    • Geremia Nonini
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Procedure and device to feed a multiple-feed straightening machine...

    • Patent number 4,704,889
    • Issue date Nov 10, 1987
    • Danieli & C. Officine Meccanichi SpA
    • Alfredo Poloni
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Apparatus for conveying tubular or bar-shaped rolled stock

    • Patent number 4,546,633
    • Issue date Oct 15, 1985
    • Kocks Technik GmbH & Co.
    • Hans Brauer
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Apparatus for transversely conveying profiled rods and rails

    • Patent number 4,308,945
    • Issue date Jan 5, 1982
    • Schloemann-Siemag Aktiengesellschaft
    • Wilhelm Beckmann
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Apparatus for unstacking flat steel material which is transported s...

    • Patent number 4,023,667
    • Issue date May 17, 1977
    • Demag Aktiengesellschaft
    • Manfred Appel
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3823812

    • Patent number 3,823,812
    • Issue date Jul 16, 1974
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3737021

    • Patent number 3,737,021
    • Issue date Jun 5, 1973
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3719285

    • Patent number 3,719,285
    • Issue date Mar 6, 1973
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3718062

    • Patent number 3,718,062
    • Issue date Feb 27, 1973
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3645376

    • Patent number 3,645,376
    • Issue date Feb 29, 1972
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3605981

    • Patent number 3,605,981
    • Issue date Sep 20, 1971
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3497084

    • Patent number 3,497,084
    • Issue date Feb 24, 1970
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3080044

    • Patent number 3,080,044
    • Issue date Mar 5, 1963
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2364386

    • Patent number 2,364,386
    • Issue date Dec 5, 1944
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1836690

    • Patent number 1,836,690
    • Issue date Dec 15, 1931
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1626734

    • Patent number 1,626,734
    • Issue date May 3, 1927
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

  • Information Patent Application

    SYSTEM AND METHOD FOR HARDENING RAILS

    • Publication number 20120168043
    • Publication date Jul 5, 2012
    • Voestalpine Schienen GmbH
    • Norbert KOECK
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    SYSTEM AND METHOD FOR HARDENING RAILS

    • Publication number 20090200713
    • Publication date Aug 13, 2009
    • Voestalpine Schienen GmbH
    • Norbert KOECK
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...