US Patent Issued to CURBTENDER SWEEPERS on May 27 for "Fan for regenerative air vacuum street sweeper, and method of fan manufacture and assembly" (Iowa Inventors)

ALEXANDRIA, Va., June 17 -- United States Patent no. 12,312,758, issued on May 27, was assigned to CURBTENDER SWEEPERS LLC (Cedar Falls, Iowa).

"Fan for regenerative air vacuum street sweeper, and method of fan manufacture and assembly" was invented by Aditya G. Anand (Waterloo, Iowa), Clayton D. Wright (Des Moines, Iowa) and Aaron T. Baughman (Cedar Falls, Iowa).

According to the abstract* released by the U.S. Patent & Trademark Office: "A fan with airfoil blades is provided for a regenerative air vacuum street sweeper. The blades are formed using cut and pressed upper and lower panels which are welded at a forward edge to a rod to form the airfoil leading edge and welded at the rear edges to form the airfoil trailing edge. Pins extend l...