TREA

for stretch-reducing of tubes

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Industry

  • CPC
  • B21B35/025
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B21Mechanical metalworking B21BROLLING OF METAL B21B35/00Drives for metal-rolling mills

Current Industry

B21B35/025for stretch-reducing of tubes
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Stretch reduction mill
    • Patent number 6,128,934
    • Issue date Oct 10, 2000
    • Lone Star Technologies, Inc.
    • David W. Houghton
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Stretch-reducing mill for rolling tubes
    • Patent number 5,129,250
    • Issue date Jul 14, 1992
    • Innse Innocenti Santeustacchio S.p.A.
    • Vincenzo Palma
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Transmission for driving the rolls of a rolling line
    • Patent number 4,848,185
    • Issue date Jul 18, 1989
    • Kocks Technik GmbH & Co.
    • Hermann Moltner
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Rolling line for the stretch-reducing of tubes
    • Patent number 4,768,370
    • Issue date Sep 6, 1988
    • Kocks Technik GmbH & Co.
    • Hermann Moltner
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Bevel gear differential drives and methods for adjusting their toot...
    • Patent number 4,414,859
    • Issue date Nov 15, 1983
    • Kocks Technik GmbH & Company
    • Helmut Holthoff
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Rolling mills
    • Patent number 4,388,819
    • Issue date Jun 21, 1983
    • Kocks Technik GmbH & Company
    • Hermann Moltner
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Device for controlling the rotation of the working rollers in a tub...
    • Patent number 4,212,180
    • Issue date Jul 15, 1980
    • Innocenti Santeustacchio S.p.A.
    • Filippo Cattaneo
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Rolling mills
    • Patent number 4,000,637
    • Issue date Jan 4, 1977
    • Firma Friedrich Kocks
    • Hans-Dieter Gerhards
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3831417
    • Patent number 3,831,417
    • Issue date Aug 27, 1974
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3373635
    • Patent number 3,373,635
    • Issue date Mar 19, 1968
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3357225
    • Patent number 3,357,225
    • Issue date Dec 12, 1967
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3320827
    • Patent number 3,320,827
    • Issue date May 23, 1967
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3314264
    • Patent number 3,314,264
    • Issue date Apr 18, 1967
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3308644
    • Patent number 3,308,644
    • Issue date Mar 14, 1967
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3299685
    • Patent number 3,299,685
    • Issue date Jan 24, 1967
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3129618
    • Patent number 3,129,618
    • Issue date Apr 21, 1964
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3074300
    • Patent number 3,074,300
    • Issue date Jan 22, 1963
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3016772
    • Patent number 3,016,772
    • Issue date Jan 16, 1962
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3013452
    • Patent number 3,013,452
    • Issue date Dec 19, 1961
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2757556
    • Patent number 2,757,556
    • Issue date Aug 7, 1956
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1858788
    • Patent number 1,858,788
    • Issue date May 17, 1932
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1420239
    • Patent number 1,420,239
    • Issue date Jun 20, 1922
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents