ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,527,935, issued on Jan. 20, was assigned to Fisher & Paykel Healthcare Ltd. (Auckland, New Zealand).

"Humidifier" was invented by Guohua Bao (Auckland, New Zealand).

According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided a humidifier for a respiratory therapy system that includes a humidification chamber having an inner wall spaced from an outer wall to form a wall cavity between the inner and outer walls. A gas flow path is located within the wall cavity. Gas, such as air, flows along the gas flow path from an inlet to the humidification chamber to an outlet of the humidification chamber. Optionally, the gas flow path may follow a helical route...