Patents by Inventor Heinz G. Schwind

Heinz G. Schwind 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).

  • Fluid motor actuator for rotating a shaft back and forth
    Patent number: 4203351
    Abstract: Fluid motor actuator having two pistons reversely movable in a common cylinder, the pistons each carrying at least three extensions on their proximal sides, one of which being provided with a rack camming with one common spur gear fastened on a transverse shaft projecting from the cylinder, the extensions with their outer surfaces lying in one common cylindrical outer surface.
    Type: Grant
    Filed: February 14, 1978
    Date of Patent: May 20, 1980
    Assignee: Griesel B.V.
    Inventor: Heinz G. Schwind