ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,502,631, issued on Dec. 23, was assigned to Parker Hannifin Manufacturing (Uk) Ltd. (Hertfordshire, Great Britain).
"Filter element assembly" was invented by Kenneth Wright (Tyne and Wear, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A filter element assembly (10) is disclosed comprising: a filter element (11) for location in a housing (12) of a filter (14), comprising a wall (15) of a filtration medium which defines a hollow space (16), for a gas stream to flow from the space through the wall, the filtration medium including a filtration layer (18), and a drainage layer (20) located outside the filtration layer, first (22) and second (2...