• All sections
• F - Mechanical engineeringlightingheatingweaponsblasting
• F15B - Systems acting by means of fluids in generalfluid-pressure actuators, e.g. servomotorsdetails of fluid-pressure systems, not otherwise provided for
• F15B 9/12 - Servomotors with follow-up action, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type controlled by valves affecting the fluid feed or the fluid outlet of the servomotor in which both the controlling element and the servomotor control the same member influencing a fluid passage and are connected to that member by means of a differential gearing

Patent holdings for IPC class F15B 9/12

Total number of patents in this class: 14

10-year publication summary

Principal owners for this class