ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,458,773, issued on Nov. 4, was assigned to Fisher & Paykel Healthcare Ltd. (Auckland, New Zealand).
"Humidification system" was invented by Andrew Paul Maxwell Salmon (Auckland, New Zealand), Guohua Bao (Auckland, New Zealand) and Nordyn Alami (Auckland, New Zealand).
According to the abstract* released by the U.S. Patent & Trademark Office: "A gas humidification system can have a conduit defining a gas passageway. A mass of a first absorbent material can be located in the conduit. A mass of a second absorbent material can cover at least a part of the surface of the conduit. An orifice can be located on the conduit to allow communication between the first and second absorbent material...