ALEXANDRIA, Va., Feb. 26 -- United States Patent no. 12,233,573, issued on Feb. 25.
"Concrete residue collection system for concrete mixing trucks" was invented by William Slager III (Oak Forest, Ill.).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a new method and system for reclaiming and recycling the concrete residue that remains on key components of a concrete mixing truck in a safe and environmentally responsible manner. Any slurry aggregate remaining on the chutes or other parts of the concrete mixing truck is collected by a concrete collection system that is attached to the concrete mixing truck and includes an augur conveyor enclosed in a housing, whereby the augur co...