• All sections
• H - Electricity
• H01T - Spark gapsovervoltage arresters using spark gapssparking plugscorona devicesgenerating ions to be introduced into non-enclosed gases
• H01T 13/30 - Sparking plugs characterised by features of the electrodes or insulation having spherically shaped electrodes, e.g. ball-shaped mounted so as to permit free movement

Patent holdings for IPC class H01T 13/30

Total number of patents in this class: 1

10-year publication summary

Principal owners for this class