Double-acting distributed pressure vibration proof structure
Double-acting shock absorber
Double-damped gas spring with friction liner and sealing ring
Double-mass type dynamic damper having two damper systems
Draft gear assembly
Drill shock absorber
Drill string shock absorber
Drill string shock absorber
Drill string shock absorber with improved pin type torque transm
Drill string shock absorber with pressurized lubricant system
Drill string shock absorbing apparatus
Drop-in seat spring unit assembly
Drop-in unit, grid insert therefor and method of making same
Dry viscous spring damper
Dry viscous spring strut
Dual acting hydraulic actuator for active suspension system
Dual airbag airspring
Dual chamber air spring
Dual chamber shock absorbers for aircrafts and the like
Dual chambered, active vibration damper with reactive force prod