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  • H01T13/00
    		•  Sparking plugs HB CC 5G059
  • H01T13/02
    		•  .Details HB CC 5G059
  • H01T13/04
    		•  ..Means providing electrical connection to sparking plug (electric connections in general H01R) HB CC 5G059
  • H01T13/05
    		•  ...combined with interference suppressing or shielding means [4] HB CC 5G059
  • H01T13/06
    		•  ..Covers forming a part of the plug and protecting it against adverse environment HB CC 5G059
  • H01T13/08
    		•  ..Mounting, fixing, or sealing of sparking plugs, e.g. in combustion chamber HB CC 5G059
  • H01T13/10
    		•  ...by bayonet-type connection HB CC 5G059
  • H01T13/12
    		•  ..Means on sparking plugs for facilitating engagement by tool or by hand HB CC 5G059
  • H01T13/14
    		•  ..Means for self-cleaning HB CC 5G059
  • H01T13/16
    		•  ..Means for dissipating heat HB CC 5G059
  • H01T13/18
    		•  ..Means for heating, e.g. for drying HB CC 5G059
  • H01T13/20
    		•  .characterised by features of the electrodes or insulation HB CC 5G059
  • H01T13/20@B
    		•  Structures HB CC 5G059
  • H01T13/20@C
    		•  Means for inhibiting interference or shielding HB CC 5G059
  • H01T13/20@E
    		•  Arrangements or means for manufacture HB CC 5G059
  • H01T13/20@Z
    		•  Others HB CC 5G059
  • H01T13/22
    		•  ..having two or more electrodes embedded in insulation (for two or more sparks H01T 13/46) HB CC 5G059
  • H01T13/24
    		•  ..having movable electrodes (H01T 13/28 takes precedence) HB CC 5G059
  • H01T13/26
    		•  ...for adjusting spark gap otherwise than by bending of electrode HB CC 5G059
  • H01T13/28
    		•  ..having spherically shaped electrodes, e.g. ball-shaped HB CC 5G059
  • H01T13/30
    		•  ...mounted so as to permit free movement HB CC 5G059
  • H01T13/32
    		•  ..characterised by features of the earthed electrode HB CC 5G059
  • H01T13/34
    		•  ..characterised by the mounting of electrodes in insulation, e.g. by embedding HB CC 5G059
  • H01T13/36
    		•  ..characterised by the joint between insulation and body, e.g. using cement HB CC 5G059
  • H01T13/38
    		•  ..Selection of materials for insulation (in general H01B 3/00) HB CC 5G059
  • H01T13/39
    		•  ..Selection of materials for electrodes [4] HB CC 5G059
  • H01T13/40
    		•  .structurally combined with other devices (combined or associated with fuel injectors F02M 57/06; structurally combined with other parts of internal-combustion engines F02P 13/00) HB CC 5G059
  • H01T13/41
    		•  ..with interference suppressing or shielding means [4] HB CC 5G059
  • H01T13/42
    		•  ..with magnetic spark generators HB CC 5G059
  • H01T13/44
    		•  ..with transformers, e.g. for high-frequency ignition HB CC 5G059
  • H01T13/46
    		•  .having two or more spark gaps HB CC 5G059
  • H01T13/48
    		•  .having means for rendering sparks visible HB CC 5G059
  • H01T13/50
    		•  .having means for ionisation of gap (H01T 13/52 takes precedence) [4] HB CC 5G059
  • H01T13/52
    		•  .characterised by a discharge along a surface HB CC 5G059
  • H01T13/54
    		•  .having electrodes arranged in a partly-enclosed ignition chamber HB CC 5G059
  • H01T13/56
    		•  .characterised by having component parts which are easily assembled or disassembled HB CC 5G059
  • H01T13/58
    		•  .Testing (testing characteristics of the spark in internal-combustion engine ignition F02P 17/12) [2011.01] HB CC 5G059
  • H01T13/60
    		•  ..of electrical properties [2011.01] HB CC 5G059
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