ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,719,344, issued on Aug. 25.

"Magnetic coupling assembly" was invented by Robert A. Blasi (Pratt, Kan.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A magnetic coupling assembly incorporating a sleeve having longitudinal and oppositely longitudinal ends; a first hydraulic seal fixedly attached to the sleeve, and being positioned at the sleeve's longitudinal end; a second hydraulic seal fixedly attached to the sleeve, and being positioned at the sleeve's oppositely longitudinal end; a plurality of magnets fixedly attached to the sleeve and positioned between the first and second hydraulic seals; the sleeve including longitudinal and an oppositely longitu...