ALEXANDRIA, Va., March 31 -- United States Patent no. 12,589,479, issued on March 31, was assigned to LUKAS HYDRAULIK GMBH (Erlangen, Germany).
"Portable tool for mobile use" was invented by Thomas Littwin (Furth, Germany) and Michael Pieper (Ansbach, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A portable tool for mobile use includes a housing, an electric motor located in the housing, an insert shaft on the tool, and a battery. The battery or a terminal for connecting to an external energy source is located in the insert shaft. A mechanically or hydraulically driven movable piston rod is for performing spreading, cutting, lifting, and/or pressing. An electronic device controls and/or regulates th...