ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,540,908, issued on Feb. 3, was assigned to Drager Safety AG & Co. KGaA (Lubeck, Germany).

"Gas detection device and gas detection process with a detector and with a modulator" was invented by Jurgen Osswald (Lubeck, Germany), Malte Baesler (Lubeck, Germany) and Sandra Balhorn (Lubeck, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A gas detection device and process detect a combustible target gas. A detector chamber (6) encloses a detector (10), and a modulator chamber (5) encloses a modulator (15). The target gas can flow from an area to be monitored through into the modulator chamber and from the modulator chamber into the detector chamber. An ...