Patents by Inventor Kenneth E. Jenkins

Kenneth E. Jenkins 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).

  • Loader/backhoe hydraulic system and control valve assembly therefor
    Patent number: 4170168
    Abstract: A loader/backhoe hydraulic system and control valve assembly therefor characterized in that each of a plurality of directional control valves is operative through an associated selector valve to control the operation of either of a pair of cylinders connected to said selector valve. The loader/backhoe herein is further characterized in that the control valve assembly and oil tank are unitized and mounted under the floor of the tractor for simplified piping and access for servicing.
    Type: Grant
    Filed: July 3, 1978
    Date of Patent: October 9, 1979
    Assignee: Parker-Hannifin Corporation
    Inventor: Kenneth E. Jenkins