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:
Dec. 02, 2014
Filed:
Sep. 16, 2011
Applicant:
William F. Ginder, Salem, VA (US);
Inventor:
William F. Ginder, Salem, VA (US);
Assignee:
Graham-White Manufacturing Company, Salem, VA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K 21/10 (2006.01); F16T 1/14 (2006.01); F16T 1/16 (2006.01); F16K 1/00 (2006.01);
U.S. Cl.
CPC ...
F16K 1/00 (2013.01);
Abstract
A drain valve includes an inlet plenum, a first orifice downstream from the inlet plenum, a second orifice downstream from the first orifice, and a fluid passage between the first and second orifices. A piston having a first position and a second position has a first surface area exposed to the fluid passage when the piston is in the first and second positions and a second surface area exposed to the inlet plenum when the piston is in the second position.
Ginder, William. (2014). Drain valve and method for operating a drain valve (U.S. Patent No. 8899258). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8899258
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile