Patents by Inventor Cynthia A. Secen

Cynthia A. Secen 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).

  • UV absorbing fused quartz and its use for lamp envelopes
    Patent number: 5569979
    Abstract: Fused quartz containing europium oxide, titanium dioxide and cerium oxide has been found to be effective for absorbing UV radiation while transmitting visible light radiation. Uses for this material include lamp envelopes and shrouds for halogen-incandescent lamps and metal halide arc discharge lamps which emit both UV and visible light radiation.
    Type: Grant
    Filed: September 26, 1994
    Date of Patent: October 29, 1996
    Assignee: General Electric Company
    Inventors: Curtis E. Scott, Cynthia A. Secen, Thomas G. Parham, Gary R. Allen, Robert L. Bateman, Jr., Paul G. Mathews