ALEXANDRIA, Va., July 16 -- United States Patent no. 12,359,511, issued on July 15, was assigned to BAUER Maschinen GmbH (Schrobenhausen, Germany).
"Drilling tool and method for producing a bore in the ground" was invented by Fabian Denk (Vohburg, Germany), Robert Lauerer (Schrobenhausen, Germany) and Michael Stohl (Schrobenhausen, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a drilling tool for producing a bore in the ground, comprising a rotatably drivable basic body, a removal means at a lower end of the basic body for removing soil material, and at least one adjustable removal element, which is adjustable between a radially inner retraction position and a radially outer...