Patents by Inventor Raul Longoria

Raul Longoria 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).

  • POSITIVE DISPLACEMENT PUMP SYSTEM AND METHOD
    Publication number: 20080008609
    Abstract: Systems and methods including a motor or electromagnets to control the movement of one or more pistons in a pumping chamber. The pumping chamber may include a pump inlet and a pump outlet in fluid communication with the pumping chamber. Surfaces on a piston or pumping chamber may include hydrodynamic bearing surfaces.
    Type: Application
    Filed: July 5, 2007
    Publication date: January 10, 2008
    Inventors: Thomas Pate, Raul Longoria, Richard Smalling, Jeffrey Gohean