• All sections
• B - Performing operationstransporting
• B66B - Elevatorsescalators or moving walkways
• B66B 1/12 - Control systems without regulation, i.e. without retroactive action electric with devices, e.g. handles or levers, located at a control station for direct control of movements, e.g. electric mining-hoist control systems

Patent holdings for IPC class B66B 1/12

Total number of patents in this class: 6

10-year publication summary

Principal owners for this class