Patents by Inventor Steve R. Walczak

Steve R. Walczak 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).

  • Patent number: 7976194
    Abstract: An LED apparatus of the type having a mounting board, an LED package thereon with a primary lens, and a secondary lens member over the primary lens and establishing a light path therebetween, includes a resilient member against the secondary lens member in position other than in the light path, the resilient member yieldingly constraining the secondary lens member and accommodating secondary lens member movement caused by primary lens thermal expansion during operation.
    Type: Grant
    Filed: May 4, 2007
    Date of Patent: July 12, 2011
    Assignee: Ruud Lighting, Inc.
    Inventors: Kurt S. Wilcox, Steve R. Walczak, Wayne Guillien
  • Publication number: 20080273325
    Abstract: An LED apparatus of the type having a mounting board, an LED package thereon with a primary lens, and a secondary lens member over the primary lens and establishing a light path therebetween, includes a resilient member against the secondary lens member in position other than in the light path, the resilient member yieldingly constraining the secondary lens member and accommodating secondary lens member movement caused by primary lens thermal expansion during operation.
    Type: Application
    Filed: May 4, 2007
    Publication date: November 6, 2008
    Applicant: Ruud Lighting, Inc.
    Inventors: Kurt S. Wilcox, Steve R. Walczak, Wayne Guillien