ALEXANDRIA, Va., June 25 -- United States Patent no. 12,337,108, issued on June 24, was assigned to WALLENBERG UNION LLC (Newark, Del.).
"Noise-reducing air passage device and its components for use in ventilator systems" was invented by David Luo (Newark, Del.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A noise-reducing air passage device and its components for use in ventilator systems, including a housing with at least one inlet, at least one outlet, an inner wall, and an outer wall. The space enclosed by the inner wall of the housing forms a gas passage including at least one chamber to provide a space for gas accumulation and flow. A blower, the core component to provide positive pressure gas to the ...