Patents by Inventor Mark Pilhofer

Mark Pilhofer 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).

  • LIGHT GUIDE FOR A LIGHTING DEVICE
    Publication number: 20100142226
    Abstract: A lighting device comprises a side-light light guide (12) located in a support (13). To facilitate the location of the light guide (12) in the support (13) and ensure its retention in a predetermined orientation, at least one location feature (11) is formed on/in the light guide for engagement by the support. Advantageously, the/each location feature (11) has no substantial effect on the light output of the light guide through its light-emitting region (18).
    Type: Application
    Filed: August 10, 2007
    Publication date: June 10, 2010
    Applicant: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Hans-Michael Vogt, Mark Pilhofer, Christoph Michel, Carsten Sambraus, Norbert Schiffer, Ulrich Kunze, Joachim C.R. Licht, Elisabeth Cura