ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,507,849, issued on Dec. 30, was assigned to BLACK & DECKER INC. (New Britain, Conn.).

"Vacuum cleaner" was invented by Oleksiy P. Sergyeyenko (Baldwin, Md.), Ana Garcia (Baltimore), Mark Thomas Davies (Newcastle, Great Britain) and Graeme Crawley (Newcastle-upon-Tyne, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "A vacuum cleaner comprising: a housing; a fan; a dirt collection chamber having an opening for emptying dirt from the dirt collection chamber; and a cover movable between a closed position, in which the cover seals the opening, and an open position, wherein the vacuum cleaner is configured to operate: in a suction mode in which t...