Patents by Inventor Peter Erlbruch

Peter Erlbruch 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).

  • Mechanical shiftable three speed planetary transmission
    Patent number: 4995861
    Abstract: A compact gearing arrangement in a transmission which can be shifted accurately with simple components and where strain on the step-down gearing components by high centrifical forces is largely avoided.
    Type: Grant
    Filed: December 21, 1989
    Date of Patent: February 26, 1991
    Assignee: Mannesman Aktiengesellschaft
    Inventor: Peter Erlbruch