ALEXANDRIA, Va., April 9 -- United States Patent no. 12,270,383, issued on April 8, was assigned to LiftWerx Solutions Inc. (Cambridge, Canada).
"Multiple up-tower lifting appliances on wind turbines" was invented by Glen D. Aitken (Guelph, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "A nacelle-mounted multiple-appliance lift system has a first lifting appliance and a second lifting appliance mounted in a nacelle of a wind turbine. The first and second lifting appliances are each mounted on main bearing housing securements, gearbox pillow blocks, or both the main bearing housing securements and the gearbox pillow blocks. The first and second lifting appliances share one or both of the main bearing h...