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:
Jan. 03, 2017
Filed:
May. 20, 2013
Applicant:
Proportion-air, Inc., McCordsville, IN (US);
Inventor:
Dan Cook, McCordsville, IN (US);
Assignee:
Proportion-Air, Inc., McCordsville, IN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K 31/12 (2006.01); G05D 16/10 (2006.01); F16K 1/40 (2006.01);
U.S. Cl.
CPC ...
G05D 16/10 (2013.01); F16K 1/40 (2013.01); Y10T 137/7793 (2015.04);
Abstract
The present disclosure provides a spring controlled valve including a spring being movable between an expanded position wherein coils of the spring are spaced apart from one another thereby permitting gas flow through the valve and a compressed position wherein the coils are in contact with one another thereby substantially preventing gas flow through the valve.