ALEXANDRIA, Va., July 28 -- United States Patent no. 12,692,948, issued on July 28, was assigned to Romac Industries Inc. (Bothell, Wash.).

"Valve gates" was invented by Aaron David Pecora (Lynnwood, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A valve gate may include a threaded rod, a nut engaged with the threaded rod, a movable body mounted on the threaded rod, a seal, a pair of levers, and first and second housing components that at least partially enclose the other components. The threaded rod can be turned to drive translation of the nut and the movable body along the threaded rod. Translation of the movable body along the threaded rod in a first direction can drive rotation of the levers outwa...