• All sections
• F - Mechanical engineering; lighting; heating; weapons; blasting
• F15B - Systems acting by means of fluids in general; fluid-pressure actuators, e.g. servomotors; details of fluid-pressure systems, not otherwise provided for
• F15B 9/09 - 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 with electrical control means

Patent holdings for IPC class F15B 9/09

Total number of patents in this class: 75

10-year publication summary

Principal owners for this class