TREA

Multifocal lenses

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Industry

  • CPC
  • B29L2011/0033
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B29Plastic substance processing B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES B29L2011/00Optical elements

Current Industry

B29L2011/0033Multifocal lenses
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Mold for plastic lens, method for manufacturing plastic lens, and p...
    • Patent number 11,061,258
    • Issue date Jul 13, 2021
    • HOYA LENS THAILAND LTD.
    • Kiyohiro Saito
    • G02 - OPTICS
  • Information Patent Grant

    Production of optical elements
    • Patent number 8,029,705
    • Issue date Oct 4, 2011
    • Insight Equity A.P.X., L.P.
    • Sujal Bhalakia
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Injection mold design, method for in-mold coating of lenses, and co...
    • Patent number 7,922,942
    • Issue date Apr 12, 2011
    • Essilor International (Compagnie Generale d'Optique)
    • Hao-Wen Chiu
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method for adding a thermoset overmold layer to a lens within a mold
    • Patent number 7,820,082
    • Issue date Oct 26, 2010
    • Essilor International (Compagne Generale d'Optique)
    • Ronald Berzon
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Production of optical elements
    • Patent number 7,048,997
    • Issue date May 23, 2006
    • Vision-Ease Lens
    • Sujal Bhalakia
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Production of optical elements
    • Patent number 6,814,896
    • Issue date Nov 9, 2004
    • Vision--Ease Lens, Inc.
    • Sujal Bhalakia
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Production of optical elements
    • Patent number 6,328,446
    • Issue date Dec 11, 2001
    • Vision--Ease Lens, Inc.
    • Sujal Bhalakia
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method of making a finished multi-coated and/or laminated eyeglass...
    • Patent number 6,180,033
    • Issue date Jan 30, 2001
    • Chrysalis Development Company, LLC
    • Martin Greshes
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Lens blanks and method of making a lens therefrom
    • Patent number 6,074,579
    • Issue date Jun 13, 2000
    • Martin Greshes
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method of manufacturing contact lenses
    • Patent number 5,872,613
    • Issue date Feb 16, 1999
    • Innotech, Inc.
    • Ronald D. Blum
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Multi-focal optical elements
    • Patent number 5,856,860
    • Issue date Jan 5, 1999
    • Vision-Ease Lens, Inc.
    • Sujal N. Bhalakia
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Production of optical elements
    • Patent number 5,827,614
    • Issue date Oct 27, 1998
    • Vision-Ease Lens, Inc.
    • Sujal N. Bhalakia
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method of machining contact lenses
    • Patent number 5,805,266
    • Issue date Sep 8, 1998
    • Innotech, Inc.
    • Amitava Gupta
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Multifocal optical elements
    • Patent number 5,757,459
    • Issue date May 26, 1998
    • Vision-Ease Lens, Inc.
    • Sujal N. Bhalakia
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Composite lenses
    • Patent number 5,702,819
    • Issue date Dec 30, 1997
    • Innotech, Inc.
    • Amitava Gupta
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Apparatus for spin coating a multifocal lens
    • Patent number 5,685,908
    • Issue date Nov 11, 1997
    • Essilor of America, Inc.
    • Horst Hermann Brytsche
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Apparatus for making lenses
    • Patent number 5,662,951
    • Issue date Sep 2, 1997
    • Martin Greshes
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method and apparatus for making lenses
    • Patent number 5,630,967
    • Issue date May 20, 1997
    • Martin Greshes
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method of manufacturing toric single vision, spherical or aspheric...
    • Patent number 5,598,234
    • Issue date Jan 28, 1997
    • Innotech, Inc.
    • Ronald D. Blum
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method of manufacturing contact lenses
    • Patent number 5,528,321
    • Issue date Jun 18, 1996
    • Innotech, Inc.
    • Ronald D. Blum
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method of manufacturing toric single vision, spherical or aspheric...
    • Patent number 5,517,259
    • Issue date May 14, 1996
    • Innotech, Inc.
    • Ronald D. Blum
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Composite lenses
    • Patent number 5,512,371
    • Issue date Apr 30, 1996
    • Innotech, Inc.
    • Amitava Gupta
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method of mounting rear eyeglass lens on laminating holder and enga...
    • Patent number 5,503,694
    • Issue date Apr 2, 1996
    • Herbert M. Abrams
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Lamination of composite eyeglass lenses
    • Patent number 5,433,810
    • Issue date Jul 18, 1995
    • Herbert M. Abrams
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Toric single vision, spherical or aspheric bifocal, multifocal or p...
    • Patent number 5,406,341
    • Issue date Apr 11, 1995
    • Innotech, Inc.
    • Ronald D. Blum
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Composite eyeglass lens laminating holder
    • Patent number 5,399,227
    • Issue date Mar 21, 1995
    • Herbert M. Abrams
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method for making lenses
    • Patent number 5,368,790
    • Issue date Nov 29, 1994
    • Martin Greshes
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Process of spincasting a compound contact lens
    • Patent number 5,300,262
    • Issue date Apr 5, 1994
    • Allergan, Inc.
    • Robert E. Glick
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method for manufacturing lenses using thin coatings
    • Patent number 5,219,497
    • Issue date Jun 15, 1993
    • Innotech, Inc.
    • Ronald D. Blum
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Spuncast compound contact lens
    • Patent number 5,076,683
    • Issue date Dec 31, 1991
    • Allergan, Inc.
    • Robert E. Glick
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents