ALEXANDRIA, Va., June 16 -- United States Patent no. 12,656,071, issued on June 16, was assigned to LOBBE INDUSTRIESERVICE GMBH & CO KG (Iserlohn, Germany).

"Method and cleaning device for cleaning the interior of a pipe" was invented by Adrian Bernard (Iserlohn, Germany), Bodo Skaletz (Dinslaken, Germany) and Reinhard Eisermann (Iserlohn, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for cleaning the interior of a pipe using a cleaning device which has a tube. The tube is set into an axial movement along a main axis H within the pipe, and the insertion depth E of the tube into the pipe is detected. It is determined whether the tube has reached an end position, and the axial movement is ter...