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:
Sep. 08, 2026
Filed:
Nov. 15, 2024
Zurn Water, Llc, Milwaukee, WI (US);
Timothy Hurt, Langhome, PA (US);
Travis Williams, Paso Robles, CA (US);
Christopher J. Corral, Paso Robles, CA (US);
Kevin P. Brouwers, Lake Oswego, OR (US);
Ersen Boran, Warminster, PA (US);
Zurn Water, LLC, Milwaukee, WI (US);
Abstract
A check valve is provided to prevent backflow of fluid in a backflow preventer or plumbing system having a housing and a fluid flow channel therethrough. The check valve includes a valve seat, a poppet movable between a closed position where the poppet is positioned against the valve seat and inhibits fluid flow past the valve seat and an open position where the poppet is spaced apart from the valve seat and permits fluid flow past the valve seat. The check valve includes a guide portion including a first guide surface and a second guide surface, a first stem coupled to the poppet and movable along the first guide surface, a second stem coupled to the poppet and movable along the second guide surface, and a biasing member coupled between the first stem and the second stem for biasing the poppet to the closed position.