• All sections
• H - Electricity
• H05B - Electric heating; electric light sources not otherwise provided for; circuit arrangements for electric light sources, in general
• H05B 3/14 - Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material the material being non-metallic

Patent holdings for IPC class H05B 3/14

Total number of patents in this class: 1396

10-year publication summary

Principal owners for this class