Patents by Inventor Kenneth Leon Hoer

Kenneth Leon Hoer 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).

  • O-Ring port contour sheath and seal
    Patent number: 3933358
    Abstract: A frusto-conical sheath of a heat resisting, non-porous, extrudable, low coefficient of friction material for sheathing the frusto-conical contour of a hydraulic port part to receive an O-ring when a mating fitting is screwed into the port part.
    Type: Grant
    Filed: November 7, 1974
    Date of Patent: January 20, 1976
    Assignee: Deere & Company
    Inventor: Kenneth Leon Hoer