Rotary drive disc brake for drawworks

Rotation damper

Rotation retarder and use thereof

Rotation-retarding device and use thereof

Rotation-retarding device with direct engagement

Rotation-retarding device with direct engagement

Sash window brake

Self-contained brake and remote control system for a trailer

Shock-absorbing device

Skewed roller brake assembly

Snubber assembly

Speed control device for a heavy duty shaft

Spiral-action damper

Surface effect dampers having both hysteresis and a frictional c

Surge brake

Surge brake actuator

Surge brake actuator

Surge brake actuator

Surge brake apparatus for gooseneck trailers

System and method for braking a towed conveyance