Hydraulic engines and motors; pumps [machines]; valves [parts of machines]; agricultural elevators; lifting tackle [machines]; lifting machines for transporting bulk materials; jacks (machines); pneumatic lifting apparatus [machines]; lifting machines for handling loads; shovels, mechanical; loaders [machines]; tractor loaders; front end loaders; front loaders for tractors; loaders for agricultural machines; hopper loaders [machines]; shovel loaders (machines); case loading machines; articula...

automotive accessory, namely attachment to rear axle that uses torque generated by the rear axle to provide increased traction