Patents by Inventor Stefan Dunkel

Stefan Dunkel 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).

  • HIGH PRESSURE DISCHARGE LAMP WITH A CAPACITIVE STARTING AID
    Publication number: 20110074285
    Abstract: A high pressure discharge lamp with a capacitive starting aid is provided. The high pressure discharge lamp may include an outer bulb; a discharge vessel that is accommodated in the outer bulb, the discharge vessel comprising at least one end with a seal in which an electrode system is fastened; a frame holding the discharge vessel in the outer bulb; and a starting aid fastened on the seal. The starting aid may have two functional parts.
    Type: Application
    Filed: September 14, 2010
    Publication date: March 31, 2011
    Applicant: OSRAM GESELLSCHAFT MIT BESCHRAENKTER HAFTUNG
    Inventors: Johannes Buttstaedt, Stefan Dunkel, Leon Grabinski, Janbernd Hentschel, Martin Tueshaus