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Patents Grantslast 30 patents

  • Information Patent Grant

    Chuck mechanism and top jaw

    • Patent number 11,389,880
    • Issue date Jul 19, 2022
    • KITAGAWA IRON WORKS CO., LTD.
    • Tamio Nishimiya
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Workpiece holding device and loading apparatus that uses the workpi...

    • Patent number 11,123,832
    • Issue date Sep 21, 2021
    • NAKAMURA-TOME PRECISION INDUSTRY CO., LTD.
    • Manabu Sawada
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Machine tool provided with spindle having measurement function

    • Patent number 11,117,237
    • Issue date Sep 14, 2021
    • NAKAMURA-TOME PRECISION INDUSTRY CO., LTD.
    • Manabu Sawada
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Device and method for the centrally tightening rotatingly drivable...

    • Patent number 7,469,484
    • Issue date Dec 30, 2008
    • Ingeborg Marquart
    • Uwe Marquart
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Graduated rotation control chuck assembly

    • Patent number 6,540,235
    • Issue date Apr 1, 2003
    • Shang-Shiun Wu
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Electric chuck for machine tool and method of opening or closing gr...

    • Patent number 6,139,028
    • Issue date Oct 31, 2000
    • Hitachi Seiki Co., Ltd.
    • Akira Kosho
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Adjustable quick change jaw apparatus

    • Patent number 5,845,912
    • Issue date Dec 8, 1998
    • Robert J. Grupa
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Disposable lap blank

    • Patent number 5,349,787
    • Issue date Sep 27, 1994
    • Gerber Optical Inc.
    • Kenneth O. Wood
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Disposable lap blank

    • Patent number 5,269,102
    • Issue date Dec 14, 1993
    • Gerber Optical, Inc.
    • Kenneth O. Wood
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Universally adaptable boregrinding chuck assembly

    • Patent number 5,112,067
    • Issue date May 12, 1992
    • Albert D. Rinchak
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Chuck with movable jaw halves

    • Patent number 4,946,176
    • Issue date Aug 7, 1990
    • Mark W. Hillenburg
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Apparatus for monitoring the angular position of a workpiece

    • Patent number 4,934,882
    • Issue date Jun 19, 1990
    • J. D. Phillips Corporation
    • James D. Phillips
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Lathe chuck with chuck-clamping monitor

    • Patent number 4,932,674
    • Issue date Jun 12, 1990
    • Rohm; Gunter Horst
    • Karl Pesch
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Chuck having gripping and locating sensors

    • Patent number 4,909,521
    • Issue date Mar 20, 1990
    • The S-P Manufacturing Corporation
    • George J. Ovanin
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Apparatus and method for monitoring the readiness for operation of...

    • Patent number 4,645,220
    • Issue date Feb 24, 1987
    • SMW Schneider & Weisshaupt GmbH
    • Karl Hiestand
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method and apparatus for monitoring the operating readiness of powe...

    • Patent number 4,611,814
    • Issue date Sep 16, 1986
    • SMW Schneider & Weisshaupt GmbH
    • Karl Hiestand
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Centering and holding device for use with a potter's wheel apparatus

    • Patent number 4,585,240
    • Issue date Apr 29, 1986
    • Giffin Earthworks, Inc.
    • Brian K. Giffin
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Workholding devices

    • Patent number 4,502,704
    • Issue date Mar 5, 1985
    • Pratt Burnerd International Limited
    • Joseph F. Jackson
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Chuck with safety cutout

    • Patent number 4,447,180
    • Issue date May 8, 1984
    • Rohm GmbH
    • Karl Pesch
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Apparatus for adjusting two end positions limiting a clamping stroke

    • Patent number 4,443,021
    • Issue date Apr 17, 1984
    • Gildemeister AG
    • Albert Buchholz
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Self-centering saw mount

    • Patent number 4,434,684
    • Issue date Mar 6, 1984
    • Bell Industries, Inc.
    • Keith L. Nixon
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Device for controlling a working machine

    • Patent number 4,387,907
    • Issue date Jun 14, 1983
    • SMW Schneider & Weisshaupt GmbH
    • Karl Hiestand
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3366393

    • Patent number 3,366,393
    • Issue date Jan 30, 1968
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2779275

    • Patent number 2,779,275
    • Issue date Jan 29, 1957
    • B44 - DECORATIVE ARTS
  • Information Patent Grant

    2363709

    • Patent number 2,363,709
    • Issue date Nov 28, 1944
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2151455

    • Patent number 2,151,455
    • Issue date Mar 21, 1939
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    1701281

    • Patent number 1,701,281
    • Issue date Feb 5, 1929
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    609019

    • Patent number 609,019
    • Issue date Aug 16, 1898
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    398251

    • Patent number 398,251
    • Issue date Feb 19, 1889
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    369489

    • Patent number 369,489
    • Issue date Sep 6, 1887
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents