ALEXANDRIA, Va., July 15 -- United States Patent no. 12,662,357, issued on June 23, was assigned to Liebherr-Werk Biberach GmbH (Biberach an der Riss, Germany).
"Grid-powered material handling and/or construction machine" was invented by Martin Assfalg (Attenweiler, Germany), Michael Gollack (Biberach an der Riss, Germany), Thomas Konig (Biberach an der Riss, Germany) and Gerhard Schmid (Wolpertswende, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a material handling and/or construction machine, in particular lifting gear such as a crane, comprising a plurality of electric drives for driving work assemblies and/or structural components of the material handling and/or...