ALEXANDRIA, Va., May 5 -- United States Patent no. 12,618,486, issued on May 5, was assigned to Acorn Engineering Co. Inc. (City of Industry, Calif.).
"Cam-arm poppet valve" was invented by Luis Fernando Prieto (Chino, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A check valve may include: a check seat defining a flow path and including downstream and upstream sides; a poppet assembly including a poppet body and a poppet seat, the poppet seat configured to form a fluid-tight seal with the downstream side; at least one first extension extending upstream from the poppet body and including a roller; and at least one cam arm disposed at least partially upstream of the poppet body and the check seat and ...