Claims that its bladeless fans produce a more constant airflow than traditional fans were made by a company that employs more than how many people worldwide?
Bladeless fan A bladeless fan (sometimes called an air multiplier) blows air from a ring with no external blades. Its blades are hidden in its base. The first concept was created by Toshiba in 1981. Dyson claims that its bladeless fans (U.S. Patent  ) produce a more constant airflow than traditional fans.
Andersen Corporation Andersen Corporation is an international window and door manufacturing enterprise employing more than 9,000 people at more than 20 locations, with its headquarters in the St. Paul exurb of Bayport, Minnesota.