ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,473,931, issued on Nov. 18, was assigned to Dyson Technology Ltd. (Malmesbury, Great Britain).
"Fan assembly with a removable filter assembly" was invented by Philip Tennison Reilly (Gloucester, Great Britain) and Ben Thomas Edmonds (Swindon, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A fan assembly is provided and includes a fan body, a motor-driven impeller contained within the fan body, and a filter assembly engaged with the fan body. The fan body can include an air inlet defined by an inlet surface. The motor-driven impeller can generate an airflow. The filter assembly covers part of the inlet surface and may include a filter and a...