US 11,666,743 B2
Valves
Albert A. Werth, Ft. Myers, FL (US); and Clemens E. Zoellner, Bay City, MI (US)
Assigned to SAINT-GOBAIN PERFORMANCE PLASTICS CORPORATION, Solon, OH (US)
Filed by SAINT-GOBAIN PERFORMANCE PLASTICS CORPORATION, Solon, OH (US)
Filed on Nov. 13, 2019, as Appl. No. 16/682,066.
Claims priority of provisional application 62/760,758, filed on Nov. 13, 2018.
Prior Publication US 2020/0146934 A1, May 14, 2020
Int. Cl. A61M 39/22 (2006.01); F16K 5/04 (2006.01); A61M 39/16 (2006.01); A61M 39/24 (2006.01)
CPC A61M 39/22 (2013.01) [A61M 39/16 (2013.01); F16K 5/0414 (2013.01); F16K 5/0442 (2013.01); A61M 2039/2486 (2013.01); A61M 2205/33 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A valve comprising:
a valve body; and
a valve stem disposed at least partially within the valve body, the valve stem comprising a sidewall defining a central lumen and at least one opening in the sidewall,
wherein the valve is adapted to prevent fluid flow through the lumen when the at least one opening is disposed within the valve body and permit fluid flow through the lumen when the at least one opening is exposed from the valve body, and wherein the valve is essentially free of a spring; and
a retention feature adapted to be installed within an aperture of the valve body, wherein the retention feature is detachable from the valve stem, wherein the valve stem defines at least one of a locking flange or a portion of the valve stem extending from the sidewall, and wherein at least one of the locking flange or the portion of the valve stem is adapted to engage with the retention feature to selectively maintain the valve stem in an open and closed configuration.