ALEXANDRIA, Va., July 14 -- United States Patent no. 12,679,516, issued on July 14.
"Boat lift" was invented by Kenneth F. Flower (Fremont, Ohio).
According to the abstract* released by the U.S. Patent & Trademark Office: "In some aspects, the techniques described herein relate to a boat lift system, including: a pair of lift frames, each of the lift frames disposed across longitudinally spaced apart pilings or support posts; a pair of lifting mechanisms, each one of the lifting mechanisms disposed in one of the lift frames, each of the lifting mechanisms including a ball screw mechanism, including a ball screw in communication with a motor and a ball nut, the ball screw mechanism configured to selectively wind a winch cable; and a lift p...