ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,379,046, issued on Aug. 5, was assigned to TDW Delaware Inc. (Wilmington, Del.).
"Service tee with valve plug for isolation of side outlet" was invented by Daniel McCaskill (Tulsa, Okla.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A service tee (T) of this disclosure includes a valve plug (V) having a plunger (31) connected to a threaded stem (27) extending from a bottom end (10b) of a plug body (10). Turning the threaded stem actuates the plunger, thereby advancing and retracting a seal (35) of the plunger to block or allow flow respectively. An anti-rotation stop (23) prevents the plunger from rotating as the threaded stem linearly displaces the plu...