Patents by Inventor Ernest H. Bean

Ernest H. Bean 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).

  • High-pressure injection hydraulic transport system with a peristaltic pump conveyor
    Patent number: 4025121
    Abstract: A high-pressure injection hydraulic transport system for conveying solids comprises a pressurizable hopper, a peristaltic pump conveyor, multiple air domes, and means for injecting air into the pumped slurry, such that a "beachcomber" effect is produced in the slurry to maintain the solids in suspension. The peristaltic pumping sequence provides at least two open pumps between a non-adjacent pumping pump and closed pump.
    Type: Grant
    Filed: February 26, 1976
    Date of Patent: May 24, 1977
    Assignee: The United States of America as represented by the Secretary of the Interior
    Inventors: William K. Kleysteuber, Ernest H. Bean