Control apparatus, namely, electronic, mechanical and pneumatic controls used to manage the speed and power of fans.

Transmission couplings for land vehicles, including clutches; couplings for land vehicles, namely, clutches; torque converters for land vehicles; drive gears for land vehicles, including reducing gears, wheel gears, planet gears, transmission gears; driving elements being structural parts of land vehicles, namely, clutches, drive shafts, pulleys and tensioners