Patents by Inventor Charles E. Pathmann

Charles E. Pathmann 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).

  • Actuator with electric feedback signal
    Patent number: 4311946
    Abstract: An actuator for use in the nature of a servomotor, having means for providing a signal indicative of the position of a mechanical linkage member. A feedback signal source voltage is alternately connected to a feedback signal lead by switch means which are carried by the mechanical linkage member of the actuator. Variable resistance means can be inserted between the voltage source and the feedback signal lead to provide a plurality of feedback signal voltages, each of which indicates a different position of the actuator linkage member.
    Type: Grant
    Filed: March 21, 1979
    Date of Patent: January 19, 1982
    Assignee: Lake Center Industries
    Inventor: Charles E. Pathmann