IPC Classification

Class code (prefix) Descriptions Number of results
  • All sections
  • H - Electricity
  • H01T - Spark gaps; overvoltage arresters using spark gaps; sparking plugs; corona devices; generating ions to be introduced into non-enclosed gases
H01T 1/00 SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES - Details of spark gaps
H01T 1/02 Means for extinguishing arc
H01T 1/04 Means for extinguishing arc using magnetic blow-out
H01T 1/06 Means for extinguishing arc using magnetic blow-out with permanent magnet
H01T 1/08 Means for extinguishing arc using flow of arc-extinguishing fluid
H01T 1/10 Means for extinguishing arc using flow of arc-extinguishing fluid with extinguishing fluid evolved from solid material by heat of arc
H01T 1/12 Means structurally associated with spark gap for recording operation thereof
H01T 1/14 Means structurally associated with spark gap for protecting it against overload or for disconnecting it in case of failure
H01T 1/15 SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES - Details of spark gaps for protection against excessive pressure
H01T 1/16 Series resistor structurally associated with spark gap
H01T 1/18 Electrolytic device structurally associated with spark gap
H01T 1/20 Means for starting arc or facilitating ignition of spark gap
H01T 1/22 Means for starting arc or facilitating ignition of spark gap by the shape or the composition of the electrodes
H01T 1/24 Selection of materials for electrodes
H01T 2/00 Spark gaps comprising auxiliary triggering means
H01T 2/02 Spark gaps comprising auxiliary triggering means comprising a trigger electrode or an auxiliary spark gap
H01T 4/00 Overvoltage arresters using spark gaps
H01T 4/02 Overvoltage arresters using spark gaps - Details
H01T 4/04 Housings
H01T 4/06 Mounting arrangements for a plurality of overvoltage arresters
H01T 4/08 Overvoltage arresters using spark gaps structurally associated with protected apparatus
H01T 4/10 Overvoltage arresters using spark gaps having a single gap or a plurality of gaps in parallel
H01T 4/12 Overvoltage arresters using spark gaps having a single gap or a plurality of gaps in parallel hermetically sealed
H01T 4/14 Arcing horns
H01T 4/16 Overvoltage arresters using spark gaps having a plurality of gaps arranged in series
H01T 4/18 Arrangements for reducing height of stacked spark gaps
H01T 4/20 Arrangements for improving potential distribution
H01T 7/00 Rotary spark gaps, i.e. devices having one or more rotating electrodes
H01T 9/00 Spark gaps specially adapted for generating oscillations
H01T 11/00 Spark gaps specially adapted as rectifiers
H01T 13/00 Sparking plugs
H01T 13/02 Sparking plugs - Details
H01T 13/04 Means providing electrical connection to sparking plugs
H01T 13/05 Means providing electrical connection to sparking plugs combined with interference suppressing or shielding means
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 13/10 Mounting, fixing, or sealing of sparking plugs, e.g. in combustion chamber by bayonet-type connection
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
H01T 13/20 Sparking plugs characterised by features of the electrodes or insulation
H01T 13/22 Sparking plugs characterised by features of the electrodes or insulation having two or more electrodes embedded in insulation
H01T 13/24 Sparking plugs characterised by features of the electrodes or insulation having movable electrodes
H01T 13/26 Sparking plugs characterised by features of the electrodes or insulation having movable electrodes for adjusting spark gap otherwise than by bending of electrode
H01T 13/28 Sparking plugs characterised by features of the electrodes or insulation having spherically shaped electrodes, e.g. ball-shaped
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
H01T 13/32 Sparking plugs characterised by features of the electrodes or insulation characterised by features of the earthed electrode
H01T 13/34 Sparking plugs characterised by features of the electrodes or insulation characterised by the mounting of electrodes in insulation, e.g. by embedding
H01T 13/36 Sparking plugs characterised by features of the electrodes or insulation characterised by the joint between insulation and body, e.g. using cement
H01T 13/38 Selection of materials for insulation
H01T 13/39 Selection of materials for electrodes
H01T 13/40 Sparking plugs structurally combined with other devices
H01T 13/41 Sparking plugs structurally combined with other devices with interference suppressing or shielding means
H01T 13/42 Sparking plugs structurally combined with other devices with magnetic spark generators
H01T 13/44 Sparking plugs structurally combined with other devices with transformers, e.g. for high-frequency ignition
H01T 13/46 Sparking plugs having two or more spark gaps
H01T 13/48 Sparking plugs having means for rendering sparks visible
H01T 13/50 Sparking plugs having means for ionisation of gap
H01T 13/52 Sparking plugs characterised by a discharge along a surface
H01T 13/54 Sparking plugs having electrodes arranged in a partly-enclosed ignition chamber
H01T 13/56 Sparking plugs characterised by having component parts which are easily assembled or disassembled
H01T 13/58 Testing
H01T 13/60 Testing of electrical properties
H01T 14/00 Spark gaps not provided for in groups
H01T 15/00 Circuits specially adapted for spark gaps, e.g. ignition circuits
H01T 19/00 Devices providing for corona discharge
H01T 19/02 Corona rings
H01T 19/04 Devices providing for corona discharge having pointed electrodes
H01T 21/00 Apparatus or processes specially adapted for the manufacture or maintenance of spark gaps or sparking plugs
H01T 21/02 Apparatus or processes specially adapted for the manufacture or maintenance of spark gaps or sparking plugs of sparking plugs
H01T 21/04 Cleaning
H01T 21/06 Adjustment of spark gaps
H01T 23/00 Apparatus for generating ions to be introduced into non-enclosed gases, e.g. into the atmosphere