Patents by Inventor Diana M. Essock

Diana M. Essock 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).

  • Electric incandescent lamp and method of manufacture therefor
    Patent number: 4959585
    Abstract: An electric incandescent lamp having an improved coiled refractory metal filament construction is disclosed which enables the lamp to provide a more precise light source. Various lamp and coiled filament configurations are disclosed to include employment of a reflective film for improved efficiency of lamp operation while a halogen substance can also be included in the inert gas filling for this purpose. A method to manufacture the disclosed lamp improvement is also provided.
    Type: Grant
    Filed: September 6, 1988
    Date of Patent: September 25, 1990
    Assignee: General Electric Company
    Inventors: Leonard E. Hoegler, Gerald A. Johnson, Diana M. Essock, Kent K. Kipling
  • Increasing the oxidation resistance of molybdenum and its use for lamp seals
    Patent number: 4835439
    Abstract: The life of electric lamps exposed to an oxidizing environment at elevated temperature and having hermetic seals between molybdenum and a vitreous material is substantially increased by applying alkali metal silicate to the surface of that portion of the molybdenum in the seal area which is exposed to said oxidizing environment.
    Type: Grant
    Filed: September 29, 1987
    Date of Patent: May 30, 1989
    Assignee: General Electric Company
    Inventors: Diana M. Essock, Richard F. Malinowski