Patents by Inventor Frank Ruppert

Frank Ruppert 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).

  • Electrical position sensor for a movable element
    Patent number: 4529977
    Abstract: A desired position is indicated by a pair of electrically conductive stationary regions spaced and electrically insulated from each other along the path of a pair of electrically conductive moving contact regions being in contact with the moving contact regions. The moving contacts are opposing surfaces in a recess or on a protuberance. A pair of indicators electrically connected one to each of the stationary contacts are both activated only when both pairs of contacts are touching each other.
    Type: Grant
    Filed: June 3, 1983
    Date of Patent: July 16, 1985
    Assignee: Daimler-Benz Aktiengesellschaft
    Inventors: Dieter Kornus, Frank Ruppert