The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 05, 2013
Filed:
Apr. 16, 2009
Applicants:
Thomas D. Pate, Austin, TX (US);
Raul G. Longoria, Austin, TX (US);
Richard Smalling, Houston, TX (US);
Jeffrey R. Gohean, Austin, TX (US);
Inventors:
Thomas D. Pate, Austin, TX (US);
Raul G. Longoria, Austin, TX (US);
Richard Smalling, Houston, TX (US);
Jeffrey R. Gohean, Austin, TX (US);
Assignee:
The Board of Regents of The University of Texas Systems, Austin, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B 17/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
Systems and methods including a valve piston in a pumping chamber. The pumping chamber may include a pump inlet and a pump outlet in fluid communication with the pumping chamber. The valve piston may be configured to rotate between a first position within the pumping chamber and a second position outside of the pumping chamber.