ALEXANDRIA, Va., Feb. 5 -- United States Patent no. 12,215,885, issued on Feb. 4, was assigned to Rite-Hite Holding Corp. (Milwaukee).
"Externally tensioned pliable air ducts" was invented by Cary Pinkalla (Fox Point, Wis.), Jeff Logic (Racine, Wis.), Kevin J. Gebke (Dubuque, Iowa) and Nicholas L. Kaufmann (Sherrill, Iowa).
According to the abstract* released by the U.S. Patent & Trademark Office: "Example air duct assemblies include an air duct including a tubular sidewall that is pliable, the tubular sidewall defining an interior of the air duct, the air duct elongate in a longitudinal direction. Example air duct assemblies include a hoop disposable within the interior of the air duct, the hoop providing the sidewall with support in a r...