ALEXANDRIA, Va., July 30 -- United States Patent no. 12,370,583, issued on July 29.
"Air duct cleaning apparatus" was invented by Kumara V. Nibhanipudi (Scarsdale, N.Y.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A duct cleaning system includes a flexible vacuum hose having a proximal end configured to couple to a vacuum source, a flexible drive shaft having a proximal end configured to couple to a rotating motor, and a distal end configured to couple to a cleaning attachment, and a flexible camera line having a proximal end configured to couple to a power source and a distal end provided with a camera. The distal ends of the vacuum hose, the drive shaft, and the camera line configured to be fed into and ...