• All sections
• F - Mechanical engineering; lighting; heating; weapons; blasting
• F16F - Springs; shock-absorbers; means for damping vibration
• F16F 13/18 - Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper characterised by the location or the shape of the equilibration chamber, e.g. the equilibration chamber surrounding the plastics spring or being annular

Patent holdings for IPC class F16F 13/18

Total number of patents in this class: 118

10-year publication summary

Principal owners for this class