Patents by Inventor Carl G. Crowe

Carl G. Crowe has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Mold for forming a contact lens and method of preventing formation of small strands of contact lens material during contact lens manufacture
    Patent number: 7156641
    Abstract: This invention provides a mold for forming a contact lens comprising an overflow collector, which causes the overflow reactive mixture to be accumulated, and not to spread out as it would upon the typically flat surface of a prior art mold. This invention further provides a method of preventing the formation of contaminating pieces of overflow reactive mixture comprising the step of: preventing the overflow reactive mixture from spreading out on the mold.
    Type: Grant
    Filed: February 12, 2002
    Date of Patent: January 2, 2007
    Assignee: Johnson & Johnson Vision Care, Inc.
    Inventors: Scott Frederick Ansell, Jan Albert Maria Windey, Kenneth W. Foley, Jr., Gerald Robert Krebsbach, Robert MacDonald Smith, Carl G. Crowe, Jr.
  • Mold for forming a contact lens and method of preventing formation of small strands of contact lens material during contact lens manufacture
    Publication number: 20020093113
    Abstract: This invention provides a mold for forming a contact lens comprising an overflow collector, which causes the overflow reactive mixture to be accumulated, and not to spread out as it would upon the typically flat surface of a prior art mold. This invention further provides a method of preventing the formation of contaminating pieces of overflow reactive mixture comprising the step of: preventing the overflow reactive mixture from spreading out on the mold.
    Type: Application
    Filed: February 12, 2002
    Publication date: July 18, 2002
    Inventors: Scott Frederick Ansell, Jan Albert Maria Windey, Kenneth W. Foley, Gerald Robert Krebsbach, Robert MacDonald Smith, Carl G. Crowe
  • Mold for forming a contact lens and method of preventing formation of small strands of contact lens material during contact lens manufacture
    Patent number: 6368522
    Abstract: This invention provides a mold for forming a contact lens including an overflow collector, which causes the overflow reactive mixture to be accumulated, and not to spread out as it would upon the typically flat surface of a prior art mold. This invention further provides a method of preventing the formation of contaminating pieces of overflow reactive mixture comprising the step of: preventing the overflow reactive mixture from spreading out on the mold.
    Type: Grant
    Filed: January 3, 2000
    Date of Patent: April 9, 2002
    Assignee: Johnson & Johnson Vision Care, Inc.
    Inventors: Scott Frederick Ansell, Jan Albert Maria Windey, Kenneth W. Foley, Jr., Gerald Robert Krebsbach, Robert MacDonald Smith, Carl G. Crowe, Jr.
  • Contact lenses bearing marks
    Publication number: 20010013921
    Abstract: This invention provides a contact lens comprising a front surface, a back surface, and an identifying mark, wherein said identifying mark comprises one or more holes depressed into at least one of said surfaces of said lens.
    Type: Application
    Filed: March 20, 2001
    Publication date: August 16, 2001
    Inventors: Jongliang Wu, Carl G. Crowe, Khaled A. Chehab, Timothy R. Poling, Jon Scott Walker, Victor Lust, Richard J. Nason
  • Contact lenses bearing marks
    Patent number: 6203156
    Abstract: This invention provides a contact lens comprising a front surface, a back surface, and an identifying mark, wherein said identifying mark comprises one or more holes depressed into at least one of said surfaces of said lens.
    Type: Grant
    Filed: March 31, 1998
    Date of Patent: March 20, 2001
    Assignee: Johnson & Johnson Vision Care, Inc.
    Inventors: Jongliang Wu, Khaled A. Chehab, Carl G. Crowe, Victor Lust, Richard J. Nason, Timothy R. Poling, Jon Scott Walker
  • Contact lenses bearing identifying marks
    Patent number: 6024448
    Abstract: This invention provides a contact lens comprising a front surface, a back surface and an identifying mark on at least one of said front surface and said back surface, wherein said identifying mark comprises a depressed region having a cross-section which comprises at least two intersecting concave surfaces at the bottom of said depressed region.
    Type: Grant
    Filed: March 31, 1998
    Date of Patent: February 15, 2000
    Assignee: Johnson & Johnson Vision Products, Inc.
    Inventors: Jongliang Wu, Khaled A. Chehab, Carl G. Crowe, Timothy R. Poling, Richard J. Nason, Jon Scott Walker, Susan-Wendy B. Neadle, Patricia Ann Hutfles, W. Anthony Martin
  • Annular gated mold for the injection molding of contact lenses
    Patent number: 5928682
    Abstract: A method and apparatus for the manufacture of optical polymer contact lenses in a closed mold, where a mold cavity is created between a front curve insert and a back curve insert, the side walls of the mold cavity being formed by the inner wall of a movable annular gate collar, the collar being positioned in a retracted position during polymer dosing and then moved prior to polymer cure into an extended position to complete the mold cavity and to separate the polymer curing inside the mold cavity from any waste polymer outside of the mold cavity.
    Type: Grant
    Filed: December 21, 1995
    Date of Patent: July 27, 1999
    Assignee: Johnson & Johnson Vision Products, Inc.
    Inventors: Joseph E. Janca, Carl G. Crowe