ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,467,532, issued on Nov. 11, was assigned to Manitowoc Crane Group France SAS (Dardilly, France).
"Crane having a closed hydraulic circuit" was invented by Thomas Jaenicke (Wiefelstede, Germany), Verena Bohmann (Oldenburg, Germany) and Alexander Suntay (Friedeburg, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A crane, in particular a mobile crane, having a closed hydraulic circuit in which a hydraulic pump is hydraulically connected to at least one hydraulic motor via a feed and a discharge, and in which the feed is hydraulically connected to the discharge via at least one bypass which bypasses the at least one hydraulic motor, wherein the at l...