ALEXANDRIA, Va., June 16 -- United States Patent no. 12,303,084, issued on May 20, was assigned to CARL FREUDENBERG KG (Weinheim, Germany).
"Cleaning device for wet cleaning" was invented by Marc Heiland (Worms, Germany) and Christian Stenglein (Frankfurt am Main, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A cleaning device includes: a housing; a drive device for automatically moving the cleaning device in a movement direction; and a wet-cleaning module accommodated in the housing, the wet-cleaning module including a moveable cleaning element for wet cleaning of surfaces. The cleaning element is belt-shaped. In an embodiment, the wet-cleaning module has three positions for the belt-shaped cleanin...