Rear wheel drive power wheelchair
Reduction gearset for electric vehicle
Reduction-drive device
Regeneration control apparatus and method for vehicle
Regeneration control device of hybrid electric vehicle
Removable battery case with locking mechanism for a powered whee
Removable power unit for load carrying vehicles such as golf cad
Repulsive differential driving double-acting type electrical...
Reverse drive for small vehicles
Ride-on vehicle with direction responsive mechanism
Robot with removable mounting elements
Rotary engine with improved hybrid features
Runner attachment for bicycles with a reaction thrust device
Running wheel arrangement for a wheelchair
Running wheel arrangement for a wheelchair