The number of engineers and scientists employed by the company 650 The time it took to design the Bagless Vacuum Cleaner (in years) 5 The length of the company's research plan (in years) 20 The number of prototypes produced for the Bagless Vacuum Cleaner over 5,000 The speed at which the Dyson Airblade pushes out air (in miles per hour) 400 The length of the companies product plan (in years) 10 The number of countries where Dyson products are sold over 50