ALEXANDRIA, Va., June 12 -- United States Patent no. 12,298,028, issued on May 13, was assigned to RHEIA LLC (Phoenix) and Carrier Corp. (Palm Beach Gardens, Fla.).
"Fitting and ferrule for connecting to flexible duct" was invented by Andrew Poerschke (Pittsburgh), Robert Beach (Pittsburgh) and Nigel Watts (Bradford Woods, Pa.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A fitting assembly for connection to a flexible duct includes a fitting and a ferrule extending from the fitting. The ferrule includes a first end configured for insertion into an open end of the flexible duct, a second end adjacent to the fitting, and a sidewall extending between the first end and the second end. The sidewall defines a mi...