Patents by Inventor Hellfried Sandig

Hellfried Sandig 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: 5704709
    Abstract: The optical receiving body for at least one LED has an optical member with a receiving chamber for receiving the at least one LED. The LED emits light in a main direction of light emission. The receiving chamber has an inner wall with a parabolic wall section. The parabolic wall section is a first reflective surface for light beams emitted by the at least one LED. The exterior surface of the optical member is provided with at least one second reflective surface.
    Type: Grant
    Filed: August 23, 1996
    Date of Patent: January 6, 1998
    Assignee: Reitter & Schefenacker GmbH & Co. KG
    Inventors: Hubert Zwick, Hellfried Sandig