Patents by Inventor Hans-Ulrich Rienäcker

Hans-Ulrich Rienäcker 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).

  • Lamp, and luminaire with a reflector and such a lamp
    Patent number: 6621214
    Abstract: In a high-power dual-filament incandescent lamp for use in a reflector having an optical axis, which incandescent lamp comprises two incandescent coils which are substantially parallel to one another, which in their correct operational positions are arranged substantially parallel to the optical axis of the reflector in a lamp bulb, and which can be operated alternately, the glass bulb is arranged such that it shows a horizontal and vertical displacement relative to the optical axis of the reflector when in the correct operational position.
    Type: Grant
    Filed: November 22, 2000
    Date of Patent: September 16, 2003
    Assignee: Koninklijke Philips Electronics N.V.
    Inventors: Heinz Schloemer, Hans-Ulrich Rienäcker