Patents by Inventor Robert Joseph Komar

Robert Joseph Komar 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: 6479931
    Abstract: An extended temperature operating range low pressure discharge lamp (10) including: an envelope (12) containing an ionizable medium (20) at a selected pressure; an electrode (16, 18) sealed at each end of the envelope (12) for sustaining an electric discharge through the ionizable medium; and a volume variation control for varying the volume of the ionizable medium (20) in response in variations in temperature within the envelope, wherein the volume variation control includes at least one control volume (of gaseous pressure 40) containing a specified volume of the ionizable medium and an aperture (34) communicating between the envelope (12) and the at least one control volume, wherein the at least one control volume includes a sliding piston (36) for varying the volume of the ionizable medium (20) within the envelope (12).
    Type: Grant
    Filed: June 4, 1996
    Date of Patent: November 12, 2002
    Assignee: Lockheed Martin Corporation
    Inventors: Gerhard George Lange, Robert Joseph Komar, David Luverne Vos