US Patent Issued to Aviation Works on Sept. 8 for "Ventilation apparatus" (British Inventors)

ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,728,296, issued on Sept. 8, was assigned to Aviation Works Ltd. (London).

"Ventilation apparatus" was invented by Rob Boyle (London) and Tim Wakeford (London).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus for preparing a ventilation gas mixture, the apparatus comprising: a first gas feed configured to receive carbon dioxide via a first gas valve; a second gas feed configured to receive oxygen via a second gas valve; a gas mixing device configured to receive the carbon dioxide and the oxygen from the first and second gas feeds and combine the carbon dioxide with the oxygen in the gas mixing device to form a ventilation gas mixture; an adjust...