ALEXANDRIA, Va., July 15 -- United States Patent no. 12,661,475, issued on June 23, was assigned to HU-FRIEDY MFG. Co. LLC (Chicago).
"Oxygen line verification for anesthesia gas flow controls" was invented by Steve R. Anderson (Mesa, Ariz.), Thomas Strele (Phoenix) and E. Daniel Shoemaker (Phoenix).
According to the abstract* released by the U.S. Patent & Trademark Office: "Various examples disclosed relate to an apparatus and method for use in verifying input gas, such as differences between a first and a second gas in an anesthesia flow control where one of the gases is oxygen gas and the other of the gases is nitrous oxide gas. The apparatus can include, for example, a chamber having an inlet to receive gas and a vent to exhaust the g...