TREA

for contact lenses

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Industry

  • CPC
  • B24B9/142
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B24Grinding technology B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING DRESSING OR CONDITIONING OF ABRADING SURFACES FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS B24B9/00Machines or devices designed for grinding edges or bevels on work or for removing burrs Accessories therefor

Current Industry

B24B9/142for contact lenses
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Eyeglass lens processing apparatus and eyeglass lens processing pro...
    • Patent number 10,459,423
    • Issue date Oct 29, 2019
    • Nidek Co., Ltd.
    • Kyoji Takeichi
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    High precision rigid gas-permeable contact lens edge curve polishin...
    • Patent number 9,434,042
    • Issue date Sep 6, 2016
    • Wenzhou Medical University
    • Hao Chen
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Method of edging a contact lens or lens blank
    • Patent number 5,378,412
    • Issue date Jan 3, 1995
    • Bausch & Lomb Incorporated
    • David L. Smith
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Apparatus for abrading contact lens edges
    • Patent number 4,720,942
    • Issue date Jan 26, 1988
    • Jack D. Miller
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Method and apparatus for edge contouring lenses
    • Patent number 4,652,721
    • Issue date Mar 24, 1987
    • Dow Corning Corporation
    • Richard T. Miller
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method and apparatus for edge contouring lenses
    • Patent number 4,642,439
    • Issue date Feb 10, 1987
    • Dow Corning Corporation
    • Richard T. Miller
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Apparatus for working the marginal zones of a lens
    • Patent number 3,978,620
    • Issue date Sep 7, 1976
    • AGFA-Gevaert, A.G.
    • Paul Feneberg
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Abrasive tape apparatus for contouring a flexible lens
    • Patent number 3,971,163
    • Issue date Jul 27, 1976
    • Dow Corning Corporation
    • Wayne E. Trombley
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Method for working the marginal zones of a lens
    • Patent number 3,948,007
    • Issue date Apr 6, 1976
    • AGFA-Gevaert, A.G.
    • Paul Feneberg
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    3909982
    • Patent number 3,909,982
    • Issue date Oct 7, 1975
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    3896688
    • Patent number 3,896,688
    • Issue date Jul 29, 1975
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    3877184
    • Patent number 3,877,184
    • Issue date Apr 15, 1975
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    3835590
    • Patent number 3,835,590
    • Issue date Sep 17, 1974
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    3835596
    • Patent number 3,835,596
    • Issue date Sep 17, 1974
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    3832920
    • Patent number 3,832,920
    • Issue date Sep 3, 1974
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    3810403
    • Patent number 3,810,403
    • Issue date May 14, 1974
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3750272
    • Patent number 3,750,272
    • Issue date Aug 7, 1973
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    3736115
    • Patent number 3,736,115
    • Issue date May 29, 1973
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    3722143
    • Patent number 3,722,143
    • Issue date Mar 27, 1973
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    3528326
    • Patent number 3,528,326
    • Issue date Sep 15, 1970
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    3514908
    • Patent number 3,514,908
    • Issue date Jun 2, 1970
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    3458959
    • Patent number 3,458,959
    • Issue date Aug 5, 1969
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    3423886
    • Patent number 3,423,886
    • Issue date Jan 28, 1969
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    3369329
    • Patent number 3,369,329
    • Issue date Feb 20, 1968
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    3301105
    • Patent number 3,301,105
    • Issue date Jan 31, 1967
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    3160039
    • Patent number 3,160,039
    • Issue date Dec 8, 1964
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    3145506
    • Patent number 3,145,506
    • Issue date Aug 25, 1964
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    3112581
    • Patent number 3,112,581
    • Issue date Dec 3, 1963
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    3087284
    • Patent number 3,087,284
    • Issue date Apr 30, 1963
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    2990664
    • Patent number 2,990,664
    • Issue date Jul 4, 1961
    • G02 - OPTICS

Patents Applicationslast 30 patents