ALEXANDRIA, Va., July 30 -- United States Patent no. 12,370,913, issued on July 29, was assigned to Hamm AG (Tirschenreuth, Germany).
"Soil processing machine" was invented by Josef Dagner (Altenstadt, Germany), Stefan Braunschlager (Barnau, Germany), Michael Sperber (Waldsassen, Germany) and Stefan Bauml (Tirschenreuth, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A soil processing machine, in particular a soil compactor, comprising at least one battery (28) supported on a machine frame (24) and at least one consumer of electrical energy (30) fed from the at least one battery (28), further comprising at least one interchangeable charging module (32) which is detachably supported on the machine fra...