• All sections
• H - Electricity
• H01H - Electric switchesrelaysselectorsemergency protective devices
• H01H 31/18 - Air-break switches for high tension without arc-extinguishing or arc-preventing means with bridging contact that is not electrically connected to either line contact in open position of switch with angularly-movable bridging contact or contact-carrying member actuated through the movement of one or more insulators

Patent holdings for IPC class H01H 31/18

Total number of patents in this class: 3

10-year publication summary

Principal owners for this class