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:
May. 13, 2014
Filed:
Mar. 08, 2012
Applicant:
Dennis A. Briggs, West Chester, PA (US);
Inventor:
Dennis A. Briggs, West Chester, PA (US);
Assignee:
Therakos, Inc., West Chester, PA (US);
Primary Examiner:
Int. Cl.
CPC ...
B01L 99/00 (2010.01); F04B 13/00 (2006.01); F04B 43/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
This invention describes a method for pumping or delivering fluids utilizing a flexible vessel subject to controlled pressures within another pressure vessel. The pressure vessel can be sourced with positive and/or negative (e.g., vacuum) pressure.