US Patent Issued to Edwards on July 1 for "Stator for a vacuum pump" (British Inventor)

ALEXANDRIA, Va., July 3 -- United States Patent no. 12,345,261, issued on July 1, was assigned to Edwards Ltd. (Burgess Hill, Great Britain).

"Stator for a vacuum pump" was invented by Michael Henry North (Burgess Hill, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "At least a part of a stator for a vacuum pump, comprising: a plurality of walls defining therebetween at least a part of a pumping chamber; a channel formed within one or more of the walls of the plurality of walls, the channel comprising a first opening at a first end of the channel and a second opening at a second end of the channel, the first opening being an opening in an internal surface of the one or more of the walls and bein...