ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,447,295, issued on Oct. 21, was assigned to Fisher & Paykel Healthcare Ltd. (Auckland, New Zealand).

"Gas therapy system for providing positive and negative gas flows" was invented by Callum James Thomas Spence (Auckland, New Zealand), John Whitney Storey (Auckland, New Zealand), Jonathan David Harwood (Auckland, New Zealand), Quinton Michael Smith (Auckland, New Zealand) and Alicia Jerram Hunter Evans (Auckland, New Zealand).

According to the abstract* released by the U.S. Patent & Trademark Office: "A respiratory therapy system configured to deliver gases to a patient can have a non-sealed gas flow generating arrangement configured to deliver a high flow of positive gas to an airwa...