ALEXANDRIA, Va., June 17 -- United States Patent no. 12,313,068, issued on May 27, was assigned to HYDRAULIK NORD TECHNOLOGIES GMBH (Parchim, Germany).
"Internal gear machine with helical toothing" was invented by Artur Bohr (Waldenbuch, Germany) and Thomas Pippes (Pinnow, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to an internal gear machine (10) having a housing (12) which forms a cavity (14) in which an internally toothed ring gear (18) and an externally toothed pinion (16) are arranged, the toothings (24, 26) of which are in meshing engagement with one another in certain regions and the axes of rotation (20, 22) of which run parallel to and spaced apart from one another,...