ALEXANDRIA, Va., March 26 -- United States Patent no. 12,257,535, issued on March 25, was assigned to VOLVO TRUCK Corp. (Gothenburg, Sweden).
"Filter cartridge for a liquid such as fuel, the upper end plate of which including an automatic degassing valve" was invented by Herve Coste (Roche, France) and Baptiste Boutin (La Tour du Pin, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a filter cartridge (32) for a liquid such as fuel, said filter cartridge being intended to be positioned inside a filter housing (30) and comprising a filter media (38) defining an inner volume (V38), a lower end plate (40), and an upper end plate (42), including a liquid passage opening (O42), which...