US Patent Issued to Diversey on Oct. 27 for "Floor cleaning apparatus" (Swiss Inventors)

ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,773,085, issued on Oct. 27, was assigned to Diversey Inc. (Fort Mill, S.C.).

"Floor cleaning apparatus" was invented by Thomas Keller (St. Gallen, Switzerland) and Mario Wetzlei (Flawil, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A floor cleaning apparatus (1) has an air suction unit (10) and an outlet channeling unit (30), which connects an outlet side of the suction unit (10) to an exhaust aperture (40). The air outlet channeling unit (30) includes various expansion chambers (31, 32, 34, 39) and respective air compression channels interposed among the expansion chambers. At the first expansion chamber (31) an intercepting wall (100) wi...