Russia and former USSR Early helicopter projects 7 | TsAGI-Bratukhin 18 | Yakovlev 7 | Kamov 39 | Mil 37 | Other 11 | Ukraine 2 North America American Helicopters 2 | Bell 35 | Brantly 4 | Bensen 10 | CarterCopters 2 | Seibel-Cessna 3 Convertawings 2 | Doman 3 | Enstrom 2 | Filper 2 | Gluhareff 4 | Gyrodyne 8 | Groen 4 Hiller 19 | Hoppicopter 2 | Kaman 14 | Kellett 5 | Lockheed 4 | McCulloch-Jovanovich 4 McDonnell-Douglas-Hughes-Schweizer 21 | Piasecki-Vertol-Boeing 17 Piasecki Aircraft 6 | Robinson 2 | Rotorway 7 | Sikorsky 38 | Sznycer 2 | Texas Helicopters 2 Other helicopters 35 | Tilt-rotor & tilt-wing aircraft 18 | Flying platforms & flying jeeps 9 Europe Helicopter designs before 1900 26 | 1907-1935 17 | Austria-Hungary 5 FRANCE 37 | EUROCOPTER 9 Cierva 11 | Britain 23 | Britain - Westland 13 | Britain - Fairey 4 Germany before 1945 22 | Germany after 1945 22 | Spain 4 | Italy 18 | Poland 8 | Czechoslovakia 19 Ultralight helicopters & drones Kit-built helicopters 25 | Kit-built autogyros 12 | Unmanned helicopters 13 Other countries Australia 2 | India 2 | Iran 2 | Japan 7 | Korea 2 | China-Taiwan 7 | Argentina 7 | Brazil 4 South Africa 2 | Other 7