US Patent Issued to Parker-Hannifin on July 14 for "Filter element with biplanar O-ring" (Ohio Inventor)

ALEXANDRIA, Va., July 14 -- United States Patent no. 12,678,718, issued on July 14, was assigned to Parker-Hannifin Corp. (Cleveland).

"Filter element with biplanar O-ring" was invented by Alfin Leo (Perrysburg, Ohio).

According to the abstract* released by the U.S. Patent & Trademark Office: "A filter element having an end cap with a base and a sleeve surrounding a central aperture in the base and projecting axially outwardly therefrom, where the sleeve includes i) a notched locating feature in a distal edge of the sleeve; and ii) a seal surrounding the outer surface of the sleeve and having planar segments, with a first planar segment located between the locating feature and the distal edge of the sleeve, and a second planar segment, ex...