Heat shield for a drill string shock absorbing apparatus
Heave compensation apparatus for a marine mining vessel
High pressure die cylinder and manifold system
Hydraulic accumulator for providing pressurized fluid
Hydraulic inertia filled spring
Hydraulic shock absorber
Impact absorber
Impact absorbing strut
Impact attenuation
Impact damper
Impact damping system and suspension therefor
Impact member with multiple concentric gas cushions inflated in
Lengthwise-adjustable gas spring
Lifting telescoping tube
Liquid spring for punch press
Load limiter coupling
Low contact force spring
Magnet assisted liftgate strut
Marine riser spider shock absorber apparatus
Mechanical support for failed gas struts and method