Patents by Inventor Geza Szeghy

Geza Szeghy 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).

  • FLUORESCENT LAMP
    Publication number: 20090079324
    Abstract: A fluorescent lamp includes a light-transmissive envelope, means for providing a discharge, a gas fill comprising mercury vapor and an inert gas sealed inside the envelope, a barrier layer on the inner surface of the envelope and a phosphor layer on the barrier layer. The phosphor layer contains at least one phosphor and alpha alumina and has a coating weight from about 1 to about 5 mg/cm2.
    Type: Application
    Filed: September 20, 2007
    Publication date: March 26, 2009
    Inventors: Istvan Deme, Geza Szeghy, Gabriella Revesz