Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent

Official title: Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium (F16F5/00 takes precedence; connection of valves to inflatable elastic bodies B60C29/00; {braking devices, stops or buffers for wing-operating appliances E05F3/00, E05F5/00})

F16F9/00 (Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent) appears on 8,286 US grants and 6,990 published applications in this corpus.