ALEXANDRIA, Va., July 30 -- United States Patent no. 12,372,256, issued on July 29, was assigned to Rite-Hite Holding Corp. (Milwaukee).
"Under-floor pliable air duct/dispersion systems" was invented by Jeffrey Klopfenstein (Dubuque, Iowa), Kevin J. Gebke (Dubuque, Iowa) and Nicolas B. Paschke (Mequon, Wis.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An under-floor HVAC system for a building includes a pliable air duct lying upon a subfloor. A matrix of pedestals resting upon and extending upward from the subfloor supports a set of floor panels, which thus creates a plenum between the subfloor and the set of floor panels. The air duct extends through the plenum to convey conditioned air from a supply air ...