Patents by Inventor Larry Donald Schreiber

Larry Donald Schreiber 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).

  • Means for retaining a piston on a piston rod
    Patent number: 4092904
    Abstract: A piston of a hydraulic actuator is threaded on one end of a piston rod and is prevented from becoming unthreaded therefrom by means of a radially extending key received in a keyway formed by cooperating recesses in the ends of the piston and piston rod. A threaded fastener extends axially into the piston rod and holds the key in place.
    Type: Grant
    Filed: September 17, 1976
    Date of Patent: June 6, 1978
    Assignee: Deere & Company
    Inventor: Larry Donald Schreiber