having slidably-interengaging teeth

Industry

  • CPC
  • B21B35/143
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Patents Grantslast 30 patents

  • Information Patent Grant

    Device for transmitting a torque from a drive device onto a roller...

    • Patent number 10,751,775
    • Issue date Aug 25, 2020
    • SMS group GMBH
    • Jürgen Merz
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Toothing for operation at a deflection angle and production method

    • Patent number 10,190,642
    • Issue date Jan 29, 2019
    • SMS Siemag AG
    • Juergen Merz
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Modular finishing mill

    • Patent number 9,409,217
    • Issue date Aug 9, 2016
    • Primetals Technologies USA LLC
    • Keith Fiorucci
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Rolling mill drive comprising a toothed articulated spindle

    • Patent number 9,227,234
    • Issue date Jan 5, 2016
    • SMS GROUP GMBH
    • Ruediger Grimmel
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Roll stand provided with a displacement device

    • Patent number 8,701,456
    • Issue date Apr 22, 2014
    • Siemens Vai Metals Technologies GmbH
    • Rudolf Langeder
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Rolling mill drive with oil recirculation system having air pressur...

    • Patent number 8,677,850
    • Issue date Mar 25, 2014
    • Xtek, Inc.
    • Frank L. Smith
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Clamping joint between a spindle head and a roll stub

    • Patent number 6,082,924
    • Issue date Jul 4, 2000
    • SMS Schloemann-Siemag AG
    • Karl-Heinz Seidl
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Roll stand

    • Patent number 6,062,058
    • Issue date May 16, 2000
    • Voest-Alpine Industrieanlagenbau GmbH
    • Rudolf Buchegger
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Rolling mill drive with gear-type joint spindles and with a device...

    • Patent number 5,979,207
    • Issue date Nov 9, 1999
    • SMS Schloemann-Siemag Aktiengesellschaft
    • Karl-Heinz Seidl
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Automated changeover tube mill

    • Patent number 5,461,896
    • Issue date Oct 31, 1995
    • Abbey-Etna Machine Company
    • Nelson D. Abbey
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Pressurized drive coupling

    • Patent number 5,141,350
    • Issue date Aug 25, 1992
    • Renk Tacke GmbH
    • Franz-Josef Hecke
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method for rolling structural steel in a compact rolling mill

    • Patent number 5,121,622
    • Issue date Jun 16, 1992
    • SMS Schloemann-Siemag Aktiegesellschaft
    • Dietmar Kosak
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Drive unit particularly for the calender of a paper machine

    • Patent number 5,090,535
    • Issue date Feb 25, 1992
    • J. M. Voith GmbH
    • Christian Schiel
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Compact rolling mill for rolling structural steel

    • Patent number 5,020,354
    • Issue date Jun 4, 1991
    • SMS Schloemann-Siemag Aktiengesellschaft
    • Dietmar Kosak
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Rolling mill drive with spindles releasably arranged between pinion...

    • Patent number 5,000,024
    • Issue date Mar 19, 1991
    • SMS Schloemann-Siemag Aktiengesellschaft
    • Karl-Heinz Seidl
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Rolling mill drive having a spindle with curved toothing

    • Patent number 4,990,121
    • Issue date Feb 5, 1991
    • SMS Schloemann-Siemag Aktiengesellschaft
    • Heinz Vosbeck
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Telescopic drive spindle assembly

    • Patent number 4,945,745
    • Issue date Aug 7, 1990
    • Davy McKee (Sheffield) Limited
    • Bela I. Bathory
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Device for axial displacement of rolls in a rolling stand

    • Patent number 4,785,651
    • Issue date Nov 22, 1988
    • SMS Schloemann-Siemag AG
    • Helmut Kuhn
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Hub retention device

    • Patent number 4,472,160
    • Issue date Sep 18, 1984
    • Koppers Company, Inc.
    • John Wright
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Gear type coupling with overload protection

    • Patent number 4,457,735
    • Issue date Jul 3, 1984
    • Koppers Company, Inc.
    • Kenneth K. Carman
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Gear type coupling with overload protection

    • Patent number 4,347,715
    • Issue date Sep 7, 1982
    • Koppers Company, Inc.
    • Kenneth K. Carman
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Mill stand

    • Patent number 4,244,204
    • Issue date Jan 13, 1981
    • Vladimir N. Vydrin
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Splined articulated coupling

    • Patent number 4,176,540
    • Issue date Dec 4, 1979
    • Davy-Loewy Limited
    • Bernard H. Barber
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Self-lubricating gear-type spindle coupling

    • Patent number 4,137,999
    • Issue date Feb 6, 1979
    • Koppers Company, Inc.
    • Daniel H. Siegert
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Roll-end spindle coupling

    • Patent number 4,037,430
    • Issue date Jul 26, 1977
    • Koppers Company, Inc.
    • John Wright
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Spindle coupling

    • Patent number 3,999,404
    • Issue date Dec 28, 1976
    • Koppers Company, Inc.
    • Steven Banki
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3857268

    • Patent number 3,857,268
    • Issue date Dec 31, 1974
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3818743

    • Patent number 3,818,743
    • Issue date Jun 25, 1974
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3805374

    • Patent number 3,805,374
    • Issue date Apr 23, 1974
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3779037

    • Patent number 3,779,037
    • Issue date Dec 18, 1973
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents