ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,497,151, issued on Dec. 16, was assigned to MARINE EDGE LTD. (Haifa, Israel).

"System and method for alleviating ambient torsional loads affecting marine vessel propulsion" was invented by Mark Moran (Tel Aviv, Israel), Nevo Dotan (Beerotayim, Israel) and Amichay Haim Gross (Herzliya, Israel).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system for alleviating variations in torsional loads applied to a shaft coupled to a main engine of a marine vessel, said shaft is coupled to a propeller of the marine vessel, the system comprising an electric motor-generator configured to provide power to the shaft or take out power from the shaft; a controller coupl...