ALEXANDRIA, Va., March 24 -- United States Patent no. 12,583,430, issued on March 24, was assigned to ZF CV SYSTEMS EUROPE BV (Brussels).

"Multi-circuit protection valve assembly and air processing unit" was invented by Maciej Semeniuk (Jelenia Gora, Poland) and Marek Robak (Wroclaw, Poland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A multi-circuit protection valve assembly, comprises, is attached to or integrated into a main housing, and comprises an air inlet; main outlets; main supply lines; and main overflow valves for protecting the main outlets. The valve assembly further comprises an extension part having, attached to or integrated into an extension housing, an extension inlet; an extension outlet...