ALEXANDRIA, Va., July 30 -- United States Patent no. 12,370,643, issued on July 29, was assigned to Milwaukee Electric Tool Corp. (Brookfield, Wis.).

"Dust collector with filter cleaning mechanism" was invented by Joseph R. Beeson (Kansas City, Mo.), Daryl S. Richards (Sussex, Wis.), Tyler S. Sigafoose (Pewaukee, Wis.) and Cheng Liang Zhang (Dongguan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A dust collector for use with a power tool comprises a housing, a telescoping suction pipe coupled to the housing, a suction fan positioned in the housing and operable to generate a vacuum in the suction pipe, a dust container coupled to the housing and positioned upstream of the fan, a filter at least partia...