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. Bladeless fan:  Dyson claims that its bladeless fans (U.S. Patent  ) produce a more constant airflow than traditional fans. Dyson (company): Dyson Ltd. is a British technology company established by James Dyson in 1987. Dyson (company):  Dyson employs more than 7,000 people worldwide.
7,000