Patents by Inventor Armin Weigt

Armin Weigt 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).

  • Contact free device for limiting the relative movement of hydraulically actuated members
    Patent number: 4165674
    Abstract: A contact free device for limiting the relative movement of hydraulically actuated members in which the device includes a proximity switch actuated at each limit position of the members and which interrupts the supply of hydraulic actuating fluid to the members. The supply of fluid to the members is resumed when movement of the members relatively away from the respective limit position is initiated.
    Type: Grant
    Filed: December 13, 1976
    Date of Patent: August 28, 1979
    Assignee: O & K Orenstein & Koppel Aktiengesellschaft
    Inventor: Armin Weigt