ALEXANDRIA, Va., May 19 -- United States Patent no. 12,631,331, issued on May 19, was assigned to Pittway Sarl (Rolle, Switzerland).
"Method and controller for operating a gas burner appliance" was invented by Wim Munsterhuis (Dalen, Netherlands), Gerrit Jan Baarda (Emmen, Netherlands), Andreas Kammerahl (Lemfoerde, Germany), Martin Petersmann (Osnabrueck, Germany), Anton Quatmann (Vechta, Germany), Ulrich Oldehus (Lohne, Germany) and Clemens Metker (Bad Iburg, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "Method for operating a gas burner appliance (10) comprising: a combustion chamber (11), an ignition device (27), a fan (14), a gas safety valve unit (19) assigned to the gas duct (16), an electric...