in a discontinuous process

Patents Grantslast 30 patents

  • Information Patent Grant

    Plug mill bottom roll adjustment

    • Patent number 5,524,470
    • Issue date Jun 11, 1996
    • Italimplanti of America, Inc.
    • William Rozmus
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of producing seamless pipes utilizing a plug rolling procedure

    • Patent number 5,412,974
    • Issue date May 9, 1995
    • Mannesmann Aktiengesellschaft
    • Karl H. Hausler
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Device for the delivery and removal of the mandrel rods in skew and...

    • Patent number 4,592,222
    • Issue date Jun 3, 1986
    • Mannesmann Aktiengesellschaft
    • Manfred Muller
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Return pass practice for the high mill of a seamless-pipe mill

    • Patent number 4,406,143
    • Issue date Sep 27, 1983
    • United States Steel Corporation
    • Edward J. Patula
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Simultaneous plug-mill rolling for increased production and enhance...

    • Patent number 4,178,789
    • Issue date Dec 18, 1979
    • United States Steel Corporation
    • James W. Ruff
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Rolling mill for forming seamless tubes, and seamless tube-making a...

    • Patent number 4,091,650
    • Issue date May 30, 1978
    • Vallourec (Usines a Tubes de Lorraine-Escaut et Vallourec Reunies)
    • Pierre Peytavin
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Continuous flow plug mill system

    • Patent number 4,037,449
    • Issue date Jul 26, 1977
    • Aetna-Standard Engineering Company
    • James W. Schuetz
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Shellpusher for plug mill or the like

    • Patent number 4,037,453
    • Issue date Jul 26, 1977
    • Aetna-Standard Engineering Company
    • Robert A. Remner
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3911714

    • Patent number 3,911,714
    • Issue date Oct 14, 1975
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3874211

    • Patent number 3,874,211
    • Issue date Apr 1, 1975
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3864951

    • Patent number 3,864,951
    • Issue date Feb 11, 1975
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3811310

    • Patent number 3,811,310
    • Issue date May 21, 1974
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3610012

    • Patent number 3,610,012
    • Issue date Oct 5, 1971
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3511070

    • Patent number 3,511,070
    • Issue date May 12, 1970
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2892366

    • Patent number 2,892,366
    • Issue date Jun 30, 1959
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2599847

    • Patent number 2,599,847
    • Issue date Jun 10, 1952
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2103574

    • Patent number 2,103,574
    • Issue date Dec 28, 1937
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2056918

    • Patent number 2,056,918
    • Issue date Oct 6, 1936
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2005310

    • Patent number 2,005,310
    • Issue date Jun 18, 1935
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1837161

    • Patent number 1,837,161
    • Issue date Dec 15, 1931
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1503158

    • Patent number 1,503,158
    • Issue date Jul 29, 1924
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1453203

    • Patent number 1,453,203
    • Issue date Apr 24, 1923
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1386115

    • Patent number 1,386,115
    • Issue date Aug 2, 1921
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1076545

    • Patent number 1,076,545
    • Issue date Oct 21, 1913
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1040812

    • Patent number 1,040,812
    • Issue date Oct 8, 1912
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...