US Patent Issued to Barko Hydraulics on June 2 for "System for adjusting rate of spool centering in a pilot-controlled hydraulic spool valve" (Minnesota Inventors)

ALEXANDRIA, Va., June 2 -- United States Patent no. 12,644,535, issued on June 2, was assigned to Barko Hydraulics LLC (Superior, Wis.).

"System for adjusting rate of spool centering in a pilot-controlled hydraulic spool valve" was invented by James Douglas Holmes (Wrenshall, Minn.), Eric Thomas Nelson (Proctor, Minn.) and Nathan Bradley Wourms (Hermantown, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosure is directed to an apparatus and system for adjusting rate of spool centering in a pilot-controlled hydraulic spool valve. The apparatus includes a first pilot port and a second pilot port. The apparatus includes a first valve port and a second valve port. The apparatus also includes a fir...