using cup-type grinding wheels

Patents Grantslast 30 patents

  • Information Patent Grant

    Spherical lens surface processing method and spherical lens surface...

    • Patent number 11,358,250
    • Issue date Jun 14, 2022
    • KOJIMA ENGINEERING CO., LTD.
    • Hideo Kojima
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Device and method for machining of an optical lens

    • Patent number 10,406,646
    • Issue date Sep 10, 2019
    • Schneider GmbH & Co. KG
    • Gunter Schneider
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Method and device for the surface machining of workpieces composed...

    • Patent number 6,991,525
    • Issue date Jan 31, 2006
    • Loh Optikmaschinen AG
    • Joachim Diehl
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Process for fabricating a surface of an ophthalmic lens, installati...

    • Patent number 6,558,586
    • Issue date May 6, 2003
    • Essilor International (Compagnie Generale d'Optique)
    • Jean-Marc Padiou
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Apparatus and method for generating ultimate surfaces on ophthalmic...

    • Patent number 5,957,637
    • Issue date Sep 28, 1999
    • Micro Optics Design Corp.
    • Marc Y. Savoie
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Lens grinding method and apparatus

    • Patent number 5,181,345
    • Issue date Jan 26, 1993
    • Coburn Optical Industries, Inc.
    • Stephen Kulan
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Lens generating system

    • Patent number 4,769,953
    • Issue date Sep 13, 1988
    • RXTEC Incorporated
    • Bryce D. Jewett
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Universal lens polishing tool, polishing apparatus and method of po...

    • Patent number 4,768,308
    • Issue date Sep 6, 1988
    • University of Rochester
    • Leland G. Atkinson
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Simultaneously grinding and polishing preforms for optical lenses

    • Patent number 4,760,672
    • Issue date Aug 2, 1988
    • Corning Glass Works
    • Charles M. Darcangelo
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Toric lens generating

    • Patent number 4,574,527
    • Issue date Mar 11, 1986
    • Robert S. Craxton
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Apparatus for moving a tool in a controlled manner

    • Patent number 4,535,566
    • Issue date Aug 20, 1985
    • Autoflow Engineering Limited
    • Peter H. H. Soper
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Apparatus for grinding optical lenses

    • Patent number 4,419,846
    • Issue date Dec 13, 1983
    • Gunter Schimitzek
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Adjustable lens grinding apparatus

    • Patent number 4,068,413
    • Issue date Jan 17, 1978
    • Jack M. Suddarth
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    3900971

    • Patent number 3,900,971
    • Issue date Aug 26, 1975
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    3824742

    • Patent number 3,824,742
    • Issue date Jul 23, 1974
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    3816997

    • Patent number 3,816,997
    • Issue date Jun 18, 1974
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    3790875

    • Patent number 3,790,875
    • Issue date Feb 5, 1974
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    3685210

    • Patent number 3,685,210
    • Issue date Aug 22, 1972
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    3670460

    • Patent number 3,670,460
    • Issue date Jun 20, 1972
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    3624969

    • Patent number 3,624,969
    • Issue date Dec 7, 1971
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    3492764

    • Patent number 3,492,764
    • Issue date Feb 3, 1970
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    3458956

    • Patent number 3,458,956
    • Issue date Aug 5, 1969
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    3449865

    • Patent number 3,449,865
    • Issue date Jun 17, 1969
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    3444652

    • Patent number 3,444,652
    • Issue date May 20, 1969
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    3399496

    • Patent number 3,399,496
    • Issue date Sep 3, 1968
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    3374586

    • Patent number 3,374,586
    • Issue date Mar 26, 1968
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    3289355

    • Patent number 3,289,355
    • Issue date Dec 6, 1966
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    3117396

    • Patent number 3,117,396
    • Issue date Jan 14, 1964
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    2975565

    • Patent number 2,975,565
    • Issue date Mar 21, 1961
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    2806327

    • Patent number 2,806,327
    • Issue date Sep 17, 1957
    • B24 - GRINDING POLISHING

Patents Applicationslast 30 patents