ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,378,099, issued on Aug. 5, was assigned to ITREC B.V. (Schiedam, Netherlands).
"Heave compensated dual hoist crane" was invented by Cornelis Martinus Van Veluw (Schiedam, Netherlands), Wing Sum Lee (Schiedam, Netherlands) and Ken Van Oijen (Schiedam, Netherlands).
According to the abstract* released by the U.S. Patent & Trademark Office: "A dual hoist crane is provided with a heave compensation system that can be used for both the main and for the auxiliary hoisting assembly. The heave compensation system includes a first set of sheaves for guiding the main hoisting cable and a second set of sheaves for guiding the auxiliary hoisting cable. The heave compensation system is configured ...