ALEXANDRIA, Va., July 23 -- United States Patent no. 12,366,244, issued on July 22, was assigned to Vulcan Industrial Holdings LLC (Houston).

"Spring controlling valve" was invented by Akhil Alex (Houston), Chance Ray Mullins (Spring, Texas), Kyle Matthew Ellisor (Katy, Texas) and Seth Sprowls (St. Croix Falls, Wis.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A valve member for a spring-loaded valve assembly includes a top portion having a spring retaining recess, the spring retaining recess extending into the top portion to form a void space, the void space to receive at least one coil of a spring, the spring retaining recess having a recess diameter that is smaller than a top portion diameter, wherein t...