Patents by Inventor Hilton Bever

Hilton Bever 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).

  • Hydraulic oil well pumping apparatus
    Patent number: 4299545
    Abstract: An oil well pump which uses a pair of vertical hydraulic pistons to raise a cross beam. The polish rod is secured to the cross beam. At the top of the stroke automatic limit switches reverse the hydraulic fluid flow to allow the polish rod to descend and complete the pumping cycle.
    Type: Grant
    Filed: July 30, 1979
    Date of Patent: November 10, 1981
    Inventor: Hilton Bever