Patents by Inventor Grover W. Miller

Grover W. Miller 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).

  • Apparatus for charging a pumping device
    Patent number: 5527108
    Abstract: An apparatus used to charge a pumping device with a slurry mixture such as cement is provided. A hollow funnel-shaped receptacle is equipped with a rotating shaft. Extending from the shaft are angled blades which keep the slurry mixture thoroughly mixed while pushing it toward the pumping device. The action of the blades in concert with gravitational forces charge a receiving chamber of a pumping device.
    Type: Grant
    Filed: January 25, 1995
    Date of Patent: June 18, 1996
    Assignee: A-1 Concrete Leveling, Inc.
    Inventor: Grover W. Miller