• All sections
• H - Electricity
• H01H - Electric switchesrelaysselectorsemergency protective devices
• H01H 33/92 - Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by, or in conjunction with, the contact-operating mechanism the arc-extinguishing fluid being liquid, e.g. oil

Patent holdings for IPC class H01H 33/92

Total number of patents in this class: 2

10-year publication summary

Principal owners for this class