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. 31, 2016
Filed:
Oct. 01, 2014
Applicant:
Curtis Roys, Kingsland, TX (US);
Inventors:
Rodney Herman, Austin, TX (US);
Raymond J Hengel, Jr., Round Rock, TX (US);
Curtis Roys, Kingsland, TX (US);
Assignee:
Other;
Primary Examiner:
Int. Cl.
CPC ...
F16K 15/00 (2006.01); F04B 53/10 (2006.01); F16K 15/04 (2006.01); F16K 17/20 (2006.01); F16N 21/00 (2006.01);
U.S. Cl.
CPC ...
F04B 53/1002 (2013.01); F16K 15/042 (2013.01); F16K 15/044 (2013.01); F16K 17/20 (2013.01); F16N 21/00 (2013.01); Y10T 137/7838 (2015.04);
Abstract
A check valve includes an internal liquid trap that prevents the backflow of gas and debris from degrading the valve. The internal liquid trap can be formed by internal passages within a valve housing. One embodiment includes a plurality of concentric fluid passages, connected by a set of radial conduits.