Patents by Inventor Ludwig Bunk

Ludwig Bunk 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).

  • Halogen Incandescent Lamp Having a Carbide-Containing Luminous Element
    Publication number: 20100156289
    Abstract: The invention relates to an incandescent lamp having a carbide-containing luminous element and current supplies holding the luminous element. A luminous element is introduced into a bulb together with a filling in a vacuum-tight manner, the luminous element having a metal carbide the melting point of which is preferably above that of tungsten, and the luminous element being helical. The luminous element has a core wire and a wrapped filament and is constituted of various materials and contains a metal carbide.
    Type: Application
    Filed: April 26, 2007
    Publication date: June 24, 2010
    Applicant: Osram Gesellschaft Mit Beschrankter Haftung
    Inventors: Axel Bunk, Matthias Damm, Georg Rosenbauer, Christa Bunk, Ludwig Bunk, Maximilian Bunk, Stefan Bunk