US Patent Issued to Illinois Tool Works on Aug. 19 for "Method and apparatus for providing air flow" (Wisconsin Inventors)

ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,390,671, issued on Aug. 19, was assigned to Illinois Tool Works Inc. (Glenview, Ill.).

"Method and apparatus for providing air flow" was invented by Nishank R. Patel (Appleton, Wis.), Eric Sommers (Appleton, Wis.) and Joseph C. Schneider (Menasha, Wis.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed example respirators comprise: a filter configured to filter the air; a blower fan configured to provide continuous air flow at variable speeds; an air duct configured to direct air from the blower fan to an exhaust location, the blower fan configured to blow air through the air duct; and a blower controller configured to: control the blower fan to a...