ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,428,859, issued on Sept. 30, was assigned to SAINT-GOBAIN ISOVER (Courbevoie, France).
"Blowing machine" was invented by David Luis (Rantigny, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "A machine for blowing a loose-fill insulating product, includes at least a base and a pipe for transporting the insulating product, the base including at least an air inlet, an inlet for loose-fill insulating product and an outlet connected to the pipe, the pipe including at least one cylindrical wall which delimits a space configured for the passage of the loose-fill insulating product and the air, the blowing machine including at least one evacuation orific...