US Patent Issued to SUZHOU SONGMU TECHNOLOGY on Oct. 20 for "Filter assembly, vacuum cleaner and cleaning set" (Chinese Inventor)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,765,733, issued on Oct. 20, was assigned to SUZHOU SONGMU TECHNOLOGY Co. LTD (Suzhou, China).

"Filter assembly, vacuum cleaner and cleaning set" was invented by Dan Zhang (Suzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A filter assembly, a vacuum cleaner and a cleaning set are provided. The filter assembly comprises a cyclone separator and a high efficiency particulate air filter (HEPA) assembly; the cyclone separator comprises a filter support and a filter screen, an air guide structure which protrudes outwards in a radial direction and spirally extends towards one side of the filter screen is formed on a side wall of one end of the filte...