Patents by Inventor Franz-Josef Brueckmann

Franz-Josef Brueckmann 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).

  • Patent number: 6798138
    Abstract: The invention relates to a halogen incandescent lamp for motor vehicles with an elongate bulb which is closed at one end and has a vacuumtight pinch seal at the other end, with at least one incandescent element arranged in the bulb, with a lamp cap connected to the pinch seal, and with current supply leads which are passed through the pinch seal to the incandescent element, with an annular optical filter which is provided at the closed end of the bulb. It is possible with such a halogen incandescent lamp in a simple manner both to change the subjective impression of the generated light and to improve the objective properties through emphasizing of a desired region of the spectrum.
    Type: Grant
    Filed: May 18, 2001
    Date of Patent: September 28, 2004
    Assignee: Koninklijke Philips Electronics N.V.
    Inventors: Rolf Gervelmeyer, Heinz Schloemer, Ralf Schaefer, Leo Wings, Franz-Josef Brueckmann
  • Publication number: 20020021065
    Abstract: The invention relates to a halogen incandescent lamp for motor vehicles with an elongate bulb which is closed at one end and has a vacuumtight pinch seal at the other end, with at least one incandescent element arranged in the bulb, with a lamp cap connected to the pinch seal, and with current supply leads which are passed through the pinch seal to the incandescent element, with an annular optical filter which is provided at the closed end of the bulb. It is possible with such a halogen incandescent lamp in a simple manner both to change the subjective impression of the generated light and to improve the objective properties through emphasizing of a desired region of the spectrum.
    Type: Application
    Filed: May 18, 2001
    Publication date: February 21, 2002
    Inventors: Rolf Gervelmeyer, Heinz Schloemer, Ralf Schaefer, Leo Wings, Franz-Josef Brueckmann