US Patent Issued to Parker Hannfin EMEA S.a.r.l., Parker-Hannifin on Sept. 1 for "Redundant hydraulic system" (Swedish, American Inventors)

ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,722,687, issued on Sept. 1, was assigned to Parker Hannfin EMEA S.a.r.l. (Etoy, Switzerland) and Parker-Hannifin Corp. (Cleveland).

"Redundant hydraulic system" was invented by Dennis Allen (Eagle River, Wis.), Tommy Claeson (Fristad, Sweden) and Johan Hansson (Stenstorp, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "A hydraulic system comprising: a hydraulic fluid pressure source, a hydraulic fluid reservoir, a hydraulically driven actuator having a first chamber and a second chamber, and a valve assembly having a first pilot-operated directional control valve and a second pilot-operated directional control valve, each including: an inlet port ...