ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,435,739, issued on Oct. 7, was assigned to BUCHER HYDRAULICS S.p.A. (Reggio Emilia, Italy).

"Open centre hydraulic distributor and power transmission system for transmitting to users of an operating machine" was invented by Massimo Riva (Modena, Italy).

According to the abstract* released by the U.S. Patent & Trademark Office: "Open centre hydraulic distributor, comprising: a free circulation line connecting a supply line from a negative control pump to a discharge; a delivery line connecting the supply line to users; at least one directional valve that intercepts the free circulation line and the delivery line, so that it narrows a transit area of the free circulation line and opens ...