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:
Oct. 02, 2012
Filed:
Mar. 15, 2010
Applicants:
Peter Wright, Irvine, CA (US);
Robert J. Romero, Anaheim, CA (US);
David L. Phillips, Santa Ana, CA (US);
Inventors:
Peter Wright, Irvine, CA (US);
Robert J. Romero, Anaheim, CA (US);
David L. Phillips, Santa Ana, CA (US);
Assignee:
Xylem IP Holdings LLC, White Plains, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16K 15/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides apparatus featuring a check valve featuring a duckbill valve configured to provide fluid and particulate; and an insert having a base portion configured to seat the insert inside the duckbill valve, and a W-shaped portion configured with an opening to pass the fluid and particulate through the duckbill valve and also configured to provide support for walls of the duckbill valve in response to back pressure caused by the fluid and particulate.