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.
Zama Group Zama Group is a family-held German-owned company and a manufacturer of diaphragm carburetors, oil pumps and further mechanical precision engine components. Their Headquarters are in Hong Kong, China. Zama supplies mainly to original equipment manufacturers (OEMs) of gasoline-powered outdoor tools, e.g. Stihl, Husqvarna or Yamabiko and claims itself to be the technology leader in their industry.