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:
Jul. 05, 2011
Filed:
Feb. 12, 2007
Herbert W. Hoeptner, Iii, Gilroy, CA (US);
Herbert W. Hoeptner, III, Gilroy, CA (US);
Other;
Abstract
A valving assembly, comprises elongated tubular body, a first annular diaphragm in the body, and a first annular seat in the body engaged by the first diaphragm when pressurized fluid flow passes through the body and through the first diaphragm to deflect the first diaphragm, a second annular diaphragm in the body, and a second annular seat in the body engaged by the second diaphragm when said pressurized flow passes through the body and second diaphragm to deflect the second diaphragm, a third seat in the body engaged by the first diaphragm to block reverse flow through the body, an escape port in the body to allow escape of the reverse flow, and a drain port in the body to allow drainage of such fluid in the body upstream of the first diaphragm during such reverse flow.