ALEXANDRIA, Va., July 16 -- United States Patent no. 12,359,665, issued on July 15, was assigned to Edwards Ltd. (Burgess Hill, Great Britain).
"Vacuum pump with reduced seal requirements" was invented by Cainan Long (Burgess Hill, Great Britain), Nigel Paul Schofield (Burgess Hill, Great Britain) and Alan Ernest Kinnaird Holbrook (Burgess Hill, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to vacuum pump 10 comprising a substantially hermetically sealed enclosure 40, a core pump assembly located within the enclosure 40, and an inert purge gas inlet 70 fluidly connected to the enclosure 40 for supplying inert purge gas to an interior of the enclosure 40 surroundi...