ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,704,160, issued on Aug. 11, was assigned to POCLAIN HYDRAULICS INDUSTRIE (Verberie, France).
"Hydraulic machine comprising a stack of discs acted on by a push rod" was invented by Gilles Grillon (Verberie, France), Julien Engrand (Verberie, France), Jeremy Gerard Respecte (Verberie, France), Dominique Costaz (Verberie, France) and Loic Bonnard (Verberie, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "The hydraulic machine comprises: -a fixed part, -a part mounted so as to rotate about an axis (O-O) with respect to the fixed part, -a stack (50) of discs (53, 54) forming a brake or clutch, the discs being able to be in abutment against one another ...