ALEXANDRIA, Va., July 30 -- United States Patent no. 12,372,267, issued on July 29, was assigned to RESPIRECO SPOLKA Z OGRANICZONA ODPOWIEDZIALNOSCIA (Pleszewo, Poland).

"Ventilation device" was invented by Renata Bruzi (Pleszew, Poland) and Krzysztof Bruzi (Pleszew, Poland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A ventilation device with a through housing that is a duct for an air jet flow having the through housing connected to an opening of a building partition, with a stationary regenerative heat exchanger and a pumping section formed of a centrifugal fan of constant rotation direction and a main reversible air jet driver with an individual drive arranged in series inside the housing, characterize...