Patents by Inventor Robert H. Juul

Robert H. Juul 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).

  • Process for molding thermoplastic lenses and, steeply curved and/or thin lenses produced thereby
    Patent number: 6440335
    Abstract: Disclosed are novel molding methods for injection molding thermoplastic lens elements and particularly adapted for the manufacture of steeply curved and/or thin-centered lenses.
    Type: Grant
    Filed: September 8, 2000
    Date of Patent: August 27, 2002
    Assignee: Sola International, Inc.
    Inventors: Jeffrey M. Kingsbury, Robert H. Juul, Michael J. Tuhtan, Martin D. Rolph, Michael A. Morris, Colin M. Perrott, Simon J. Edwards, Ray S. Spratt
  • Molding method for manufacturing thin thermoplastic lenses
    Patent number: 6284162
    Abstract: Disclosed are novel molding methods for manufacturing thin thermoplastic lenses and, in particular, minus ophthalmic lenses that have thickness of about 1 mm or less at the thinnest point thereof. The molding methods disclosed provide for lenses which lack any abrasion or polishing artifacts on the surface and also lack any negative fining marks below the nominal surface.
    Type: Grant
    Filed: March 25, 1999
    Date of Patent: September 4, 2001
    Assignee: Sola International, Inc.
    Inventors: Jeffrey M. Kingsbury, Michael J. Tuhtan, Robert H. Juul, Martin P. Rolph