Patents by Inventor Jurg Zumtobel

Jurg Zumtobel 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: 6945670
    Abstract: There is proposed a luminaire (10) with which the exit angle of the light beams is restricted for the purpose of anti-dazzling. Further, in accordance with the invention there is attained in a simple manner and in particular without the employment of a light guide element a uniform emission of light over the entire surface of an optical element (14; 14-1, 14-2) arranged before or in the emission opening (13) of the luminaire (10). The optical element (14; 14-1, 14-2) has a plate-like core (16) of transparent material, which is occupied on one side with microprisms (17) which, with the formation of furrows (18)—starting from their roots—taper.
    Type: Grant
    Filed: November 20, 2001
    Date of Patent: September 20, 2005
    Assignee: Zumtobel Staff GmbH
    Inventors: Günther Sejkora, Jürg Zumtobel
  • Publication number: 20020048168
    Abstract: There is proposed a luminaire (10) with which the exit angle of the light beams is restricted for the purpose of anti-dazzling. Further, in accordance with the invention there is attained in a simple manner and in particular without the employment of a light guide element a uniform emission of light over the entire surface of an optical element (14; 14-1, 14-2) arranged before or in the emission opening (13) of the luminaire (10). The optical element (14; 14-1, 14-2) has a plate-like core (16) of transparent material, which is occupied on one side with microprisms (17) which, with the formation of furrows (18)—starting from their roots—taper.
    Type: Application
    Filed: November 20, 2001
    Publication date: April 25, 2002
    Inventors: Gunther Sejkora, Jurg Zumtobel