• All sections
• B - Performing operations; transporting
• B60T - Vehicle brake control systems or parts thereof; brake control systems or parts thereof, in general; arrangement of braking elements on vehicles in general; portable devices for preventing unwanted movement of vehicles; vehicle modifications to facilitate cooling of brakes
• B60T 13/57 - Vacuum systems indirect, i.e. vacuum booster units characterised by constructional features of control valves

Patent holdings for IPC class B60T 13/57

Total number of patents in this class: 87

10-year publication summary

Principal owners for this class