CPC Subgroup
H01T 13/02 Details
Full Title
Sparking plugs > Details
7 direct subcodes
Child Classifications
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- H01T 13/04 Means providing electrical connection to sparking plugs
- H01T 13/06 Covers forming a part of the plug and protecting it against adverse environment
- H01T 13/08 Mounting, fixing or sealing of sparking plugs, e.g. in combustion chamber
- H01T 13/12 Means on sparking plugs for facilitating engagement by tool or by hand
- H01T 13/14 Means for self-cleaning
- H01T 13/16 Means for dissipating heat
- H01T 13/18 Means for heating, e.g. for drying