Patents by Inventor Heinz Hüdepohl

Heinz Hüdepohl 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).

  • Gas discharge lamp
    Patent number: 6674239
    Abstract: An auxiliary antenna arranged around the discharge vessel of a gas discharge lamp comprising an outer bulb enclosing this discharge vessel is provided on the outer bulb. The advantages of an auxiliary start antenna can thus be enjoyed without being counterbalanced by an increased sodium diffusion.
    Type: Grant
    Filed: July 14, 2000
    Date of Patent: January 6, 2004
    Assignee: Koninklijke Philips Electronics N.V.
    Inventors: Manfred Westemeyer, Heinz Hüdepohl, Johannes Martinus De Regt