Patents by Inventor Hans Auding

Hans Auding 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).

  • Thin-film heating element
    Patent number: 4889974
    Abstract: A thin-film heating element is formed of a temperature-stable, electrically insulating substrate having a thin, electrically conductive metal oxide film which is doped with foreign atoms which compensate each other in pairs and which each consist of at least one acceptor-forming element and one donor-forming element the metal oxide film being provided with connecting electrodes; the metal oxide film being doped with maximally 10% of each of the foreign atoms compensating each other in pairs, the quantity of the atoms differing maximally 10%.
    Type: Grant
    Filed: February 22, 1988
    Date of Patent: December 26, 1989
    Assignee: U.S. Philips Corporation
    Inventors: Hans Auding, Gunter Frank, Heiner Kostlin, Bruno Vitt
  • Light-pervious, heat-reflecting filter and electric lamps having such a filter
    Patent number: 4127789
    Abstract: The life of light-pervious, thermal radiation-reflecting filters of tin-doped indium oxide is drastically elongated when used in oxidizing or reducing medium by coating the indium oxide layer with pyrolytic or hydrolytic silicon dioxide.
    Type: Grant
    Filed: October 27, 1977
    Date of Patent: November 28, 1978
    Assignee: U.S. Philips Corporation
    Inventors: Heiner Kostlin, Rudiger Jost, Hans Auding