Patents by Inventor Friedhelm Wieg

Friedhelm Wieg 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).

  • Device for determining the location of indicators
    Patent number: 5734474
    Abstract: There is shown a device for determining the position of moveable indicators via drive gears (1, 2, 3) by means of a reflex light shutter (4, 12) and one through hole (8a, 8b, 8c, 8d, 11) provided at least in the drive gear (1, 3) in the beam path of the reflex light shutter (4, 12), in which one or more reflector elements (12) are provided upon a second drive gear (2).
    Type: Grant
    Filed: September 30, 1996
    Date of Patent: March 31, 1998
    Assignee: Helmut Hechinger GmbH & Co.
    Inventors: Reiner Haecker, Klaus Katzmann, Friedhelm Wieg, Eberhard Weisheit, Juergen Zacharias, Hans Pilz