Patents by Inventor Christian Schaffler

Christian Schaffler 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: 5228769
    Abstract: An elevator car has a passenger space bounded by a pair of side walls and a ceiling with a fluorescent tube attached to the ceiling and a ceiling frame suspended from the ceiling and supporting translucent filler panels. An opaque middle ceiling strip is attached to the ceiling frame between two of the filler panels and below and in longitudinal alignment with the fluorescent tube. A pair of spot lamps are attached to an upper surface of the middle ceiling strip and are exposed through holes in the strip to illuminate predetermined areas of the side walls containing destination floor actuating elements and information panels for the floors. The middle ceiling strip has one side rotatably attached to the ceiling frame by a hinge connector for providing access to change the fluorescent tube and the spot lamps. The strip also is releasably retained by a locking bar on the other side thereof which engages the ceiling frame and can be released with the aid of a simple tool.
    Type: Grant
    Filed: May 12, 1992
    Date of Patent: July 20, 1993
    Assignee: Inventio AG
    Inventors: Brigitte Sommerrock, Rolf Gunther, Christian Schaffler, Dusan Pibernik
  • Patent number: D535358
    Type: Grant
    Filed: April 7, 2006
    Date of Patent: January 16, 2007
    Assignee: Arwa, AG
    Inventors: Erik Demmer, Christian Schäffler
  • Patent number: D546922
    Type: Grant
    Filed: June 16, 2005
    Date of Patent: July 17, 2007
    Assignee: ARWA AG
    Inventors: Erik Demmer, Christian Schaffler
  • Patent number: D553714
    Type: Grant
    Filed: February 2, 2007
    Date of Patent: October 23, 2007
    Inventors: Erik Demmer, Christian Schaffler
  • Patent number: D556863
    Type: Grant
    Filed: November 8, 2006
    Date of Patent: December 4, 2007
    Assignee: Arwa AG
    Inventors: Erik Demmer, Christian Schäffler