ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,434,034, issued on Oct. 7, was assigned to INTERSURGICAL AG (Vaduz, Liechtenstein).
"Humidifiers for respiratory gases" was invented by Phillip William Dixon (Wokingham, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A sensor and method for determining the state of a humidification chamber in a respiratory gas humidifier. The sensor comprises a transmitter for emitting an electromagnetic radiation signal, a receiver for receiving the electromagnetic radiation signal and providing an output signal, and a controller for varying the intensity of the electromagnetic radiation signal emitted by the transmitter and/or the gain setting of the rece...