Patents by Inventor John F. Richter

John F. Richter 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: 5621267
    Abstract: A metal halide lamp includes a cast ceramic reflector almost completely comprised of alumina. A conventional metal halide bulb is positioned within the reflector. A glaze and then a dielectric coating are applied to the inside surface of the reflector, such that appreciable amounts of infrared radiation from the bulb are absorbed into the glaze and ceramic and not reflected into the beam.
    Type: Grant
    Filed: March 22, 1995
    Date of Patent: April 15, 1997
    Assignee: ILC Technology, Inc.
    Inventors: Richard O. Shaffner, John F. Richter