ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,558,931, issued on Feb. 24, was assigned to New Wave Couplers Gooseneck Trailer Couplers LLC (Fort Worth, Texas).

"Hydraulic gooseneck ball lift system and method" was invented by William K Chapin (Cumby, Texas) and Ronald L Perdue (Kennedale, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system and method of raising and lowering a ball hitch for coupling to a gooseneck trailer coupler are provided. A combination of hydraulic pump and hydraulic piston are employed to raise and lower the ball hitch. Both custom and off the shelf parts combine to create a user friendly system to couple and uncouple a gooseneck trailer to the truck. The system des...