Patents by Inventor Billy R. Hill

Billy R. Hill 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).

  • Patent number: 4004862
    Abstract: The present disclosure is directed to a fluid transfer apparatus of the battery powered type for use in remote locations where conventional power sources such as 110V ac is not available. The apparatus employs a motor driven positive displacement gear pump having supply and discharge lines. The motor is equipped with a reversing switch and battery connection cables.
    Type: Grant
    Filed: August 18, 1975
    Date of Patent: January 25, 1977
    Assignee: Cerco Tires Inc.
    Inventor: Billy R. Hill