requiring comparison of the workpiece with standard gauging plugs, rings or the like

Patents Grantslast 30 patents

  • Information Patent Grant

    Finishing device for finish machining of a workpiece, in particular...

    • Patent number 10,427,268
    • Issue date Oct 1, 2019
    • Supfina Grieshaber GmbH & Co. KG
    • Oliver Hildebrandt
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method of polishing wafer and wafer polishing apparatus

    • Patent number 9,919,402
    • Issue date Mar 20, 2018
    • Sumco Corporation
    • Tomonori Kawasaki
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Lens manufacturing method

    • Patent number 9,815,167
    • Issue date Nov 14, 2017
    • FUJIFILM Corporation
    • Yasuhito Hiraki
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Honing method and honing control device

    • Patent number 7,874,893
    • Issue date Jan 25, 2011
    • Nissan Motor Co., Ltd.
    • Akiharu Tashiro
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Wafer polishing apparatus

    • Patent number 6,354,914
    • Issue date Mar 12, 2002
    • Tokyo Seimitsu Co., Ltd.
    • Takao Inaba
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Wafer polishing apparatus

    • Patent number 6,302,762
    • Issue date Oct 16, 2001
    • Tokyo Seimitsu Co., Ltd.
    • Takao Inaba
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Wafer polishing apparatus

    • Patent number 6,059,636
    • Issue date May 9, 2000
    • Tokyo Seimitsu Co., Ltd.
    • Takao Inaba
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Method of and instrument for measuring roll diameter in roll grinder

    • Patent number 5,771,599
    • Issue date Jun 30, 1998
    • Toshiba Kikai Kabushiki Kaisha
    • Hiroshi Uchimura
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Measuring method and equipment for the automatic control of the for...

    • Patent number 4,934,105
    • Issue date Jun 19, 1990
    • Meseltron S.A.
    • Hans Sigg
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Machining in-process gage calibration from reference master

    • Patent number 4,539,777
    • Issue date Sep 10, 1985
    • Control Gaging, Inc.
    • Bernard J. Brown
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3157971

    • Patent number 3,157,971
    • Issue date Nov 24, 1964
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    2460232

    • Patent number 2,460,232
    • Issue date Jan 25, 1949
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    1911889

    • Patent number 1,911,889
    • Issue date May 30, 1933
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    1893205

    • Patent number 1,893,205
    • Issue date Jan 3, 1933
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    1879388

    • Patent number 1,879,388
    • Issue date Sep 27, 1932
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    1872522

    • Patent number 1,872,522
    • Issue date Aug 16, 1932
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    1872552

    • Patent number 1,872,552
    • Issue date Aug 16, 1932
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    1354874

    • Patent number 1,354,874
    • Issue date Oct 5, 1920
    • B24 - GRINDING POLISHING

Patents Applicationslast 30 patents