ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,522,996, issued on Jan. 13, was assigned to Wacker Neuson Produktion Gmbh & Co. KG (Reichertshofen, Germany).
"Soil compacting device having an electric drive" was invented by Michael Steffen (Munich).
According to the abstract* released by the U.S. Patent & Trademark Office: "A soil compacting device includes an upper mass and a lower mass which is coupled to the upper mass by a spring. The lower mass is movable relative to the upper mass and comprises a ground contact element for soil compaction. A drive for generating a working movement of the ground contact element is provided on the upper mass, the drive has a tamping device and an electric motor for driving the tamping device. ...