Means responsive to load action, i.e. static load on the damper or

Official title: Means responsive to load action, {i.e. static load} on the damper or {dynamic} fluid pressure {changes} in the damper, {e.g. due to changes in velocity (F16F9/504, F16F9/516 take precedence; non-automatic damper adjustment from a distance using servo control, the servo pressure being created by the flow of damping fluid F16F9/465; self-pumping fluid springs in vehicle suspensions B60G17/044)}

F16F9/512 (Means responsive to load action, i.e. static load on the damper or) appears on 701 US grants and 699 published applications in this corpus.