ALEXANDRIA, Va., June 17 -- United States Patent no. 12,313,175, issued on May 27, was assigned to Citadel Casing Solutions LLC (Houston).
"Float valve with a protective spring" was invented by Daniel L Schmidt (Magnolia, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A valve includes a valve housing defining a fluid flow passage, a valve seat extending into the fluid flow passage, a valve poppet mechanically coupled to a valve stem, the poppet engages and disengages with the valve seat, a spring extending around a portion of a periphery of the valve stem, the spring extends and contracts to close and open the fluid flow passage, the valve stem having a spring abutting surface, a pocket positioned with...