H01T   1/00		ѡåפκ	Details of spark gaps	1381
H01T   1/02		äˡ	Means for extinguishing arc	571
H01T   1/04		Ūʿ᤭äѤ	using magnetic blow-out	420
H01T   1/06		ʵ׼ФĤ	with permanent magnet	96
H01T   1/08		øήΤήѤ	using flow of arc-extinguishing fluid	371
H01T   1/10		ǮˤκФøήΤˤ	with extinguishing fluid evolved from solid material by heat of arc	339
H01T   1/12		ѡåפȹ¤ŪȤ߹蘆졤κưϿ뤿	Means structurally associated with spark gap for recording operation thereof	569
H01T   1/14		ѡåפȹ¤ŪȤ߹蘆٤ФƥѡåפݸޤϸξξڤΥ֡ʣȣԣȣԣȣԣͥ表вִַΤݸϩ֣ȣȣˡΣ	Means structurally associated with spark gap for protecting it against overload or for disconnecting it in case of failure(<b>H01T1/15</b>, <b>H01T1/16</b>, <b>H01T1/18</b> take precedence; emergency protective circuit arrangements for spark gap arresters <b>H02H7/24</b>)	1458
H01T   1/15		簵ϤФݸΤΤΡΣ	for protection against excessive pressure	604
H01T   1/16		ѡåפȹ¤ŪȤ߹蘆줿ľ	Series resistor structurally associated with spark gap	1287
H01T   1/18		ѡåפȹ¤ŪȤ߹蘆줿Ų	Electrolytic device structurally associated with spark gap	47
H01T   1/20		γϤޤϥѡåפ̤¥ʼʡΣ	Means for starting arc or facilitating ignition of spark gap	649
H01T   1/22		ŶˤηޤˤΡΣ	by the shape or the composition of the electrodes	626
H01T   1/24		ŶˤΤκʣȣԣͥˡΣ	Selection of materials for electrodes(<b>H01T1/22</b> takes precedence)	238
H01T   2/00		ŪʥȥꥬʤޤॹѡåסʥȥꥬϩȣԣˡΣ	Spark gaps comprising auxiliary triggering means(triggering circuits <b>H01T15/00</b>)	355
H01T   2/02		ȥꥬŶˤޤŪʥѡåפޤǤʤΡΣ	comprising a trigger electrode or an auxiliary spark gap	1139
H01T   4/00		ѡåפѤŰʣȣԣͥ表ѡåפѤŰݸϩȣȣˡΣ	Overvoltage arresters using spark gaps(<b>H01T2/00</b> takes precedence; overvoltage protection circuits using spark gaps <b>H02H9/06</b>)	714
H01T   4/02		Σ	Details	1387
H01T   4/04		ϥ󥰡ʣȣԣͥˡΣ	Housings(<b>H01T4/06</b> takes precedence)	1112
H01T   4/06		ʣĤβŰΤμ֡Σ	Mounting arrangements for a plurality of overvoltage arresters	732
H01T   4/08		ݸ֤ȹ¤ŪȤ߹蘆ƤΡʥåդΤΣȣȣҥ塼դΤΣȣȣˡΣ	structurally associated with protected apparatus(with switches <b>H01H9/14</b>; with fuses <b>H01H85/44</b>)	1284
H01T   4/10		ñΥåפޤˤ줿ʣĤΥåפͭΡΣ	having a single gap or a plurality of gaps in parallel	1991
H01T   4/12		ϡå뤵줿ΡΣ	hermetically sealed	1917
H01T   4/14		ۡΤȤ߹蘆줿Σȣ£ˡΣ	Arcing horns(associated with insulators <b>H01B17/46</b>)	906
H01T   4/16		ľ󤵤줿ʣĤΥåפͭΡΣ	having a plurality of gaps arranged in series	795
H01T   4/18		إѡåפι⤵򸺾뤿֡Σ	Arrangements for reducing height of stacked spark gaps	158
H01T   4/20		Űʬۤ뤿֡Σ	Arrangements for improving potential distribution	548
H01T   7/00		žѡåסʤİʾβžŶˤ	Rotary spark gaps, i.e. devices having one or more rotating electrodes	154
H01T   9/00		ȯ򵯤äŬ礷ѡå	Spark gaps specially adapted for generating oscillations	237
H01T  11/00		ήȤäŬ礷ѡå	Spark gaps specially adapted as rectifiers	182
H01T  13/00		ѡץ饰	Sparking plugs	905
H01T  13/02			Details	915
H01T  13/04		ѡץ饰ŵŪ³򤹤	Means providing electrical connection to sparking plugs	1718
H01T  13/05		ޤϥɼʤȤ߹蘆줿ΡΣ	combined with interference suppressing or shielding means	719
H01T  13/06		ץ饰ΰץ饰ͭʴĶݸ륫С	Covers forming a part of the plug and protecting it against adverse environment	692
H01T  13/08		ѡץ饰μդޤߡ㡥ǳƼ	Mounting, fixing, or sealing of sparking plugs, e.g. in combustion chamber	1354
H01T  13/10		Хͥåȷˤ	by bayonet-type connection	10
H01T  13/12		ޤϼˤݻΤʥѡץ饰μ	Means on sparking plugs for facilitating engagement by tool or by hand	145
H01T  13/14		Τμ	Means for self-cleaning	731
H01T  13/16		Ǯ뤿μ	Means for dissipating heat	913
H01T  13/18		Ǯ뤿μʡ㡥礹뤿Τ	Means for heating, e.g. for drying	193
H01T  13/20		ŶˤޤΤηħΤ	characterised by features of the electrodes or insulation	4646
H01T  13/22		᤿İʾŶˤĤΡʣİʾΥѡåפͭ륹ѡץ饰ȣԣ	having two or more electrodes embedded in insulation(sparking plugs having two or more spark gaps <b>H01T13/46</b>)	357
H01T  13/24		ưŶˤĤΡʣȣԣͥ	having movable electrodes(<b>H01T13/28</b> takes precedence)	375
H01T  13/26		ŶˤʤʤǥѡåפĴ᤹뤿Τ	for adjusting spark gap otherwise than by bending of electrode	117
H01T  13/28		̷ŶˤĤΡ㡥巿	having spherically shaped electrodes, e.g. ball-shaped	63
H01T  13/30		ͳư褦˻ٻ줿	mounted so as to permit free movement	9
H01T  13/32		ŶˤηħΤ	characterised by features of the earthed electrode	1980
H01T  13/34		ΤؤŶˤμդħΤΡ㡥	characterised by the mounting of electrodes in insulation, e.g. by embedding	900
H01T  13/36		ΤΤȤδ֤ηħΤΡ㡥ȤѤ	characterised by the joint between insulation and body, e.g. using cement	741
H01T  13/38		ΤȤƤκ	Selection of materials for insulation	865
H01T  13/39		ŶˤΤκΣ	Selection of materials for electrodes	1892
H01T  13/40		¾֤ȹ¤Ū˷礵ƤΡǳʮ֤ȷ礵ޤȹ蘆ƤΣƣͣǳؤ¾ʤȹ¤Ū˷礵ƤΣƣУ	structurally combined with other devices(combined or associated with fuel injectors <b>F02M57/06</b>; structurally combined with other parts of internal-combustion engines <b>F02P13/00</b>)	983
H01T  13/41		ޤϥɼʤĤΡΣ	with interference suppressing or shielding means	290
H01T  13/42		ŪʥѡȯĤ	with magnetic spark generators	87
H01T  13/44		ĤΡ㡥	with transformers, e.g. for high-frequency ignition	347
H01T  13/46		İʾΥѡåפĤ	having two or more spark gaps	2193
H01T  13/48		ѡ򸫤褦ˤʤĤ	having means for rendering sparks visible	188
H01T  13/50		åפΥ󲽤ΤμʤĤΡʣȣԣͥˡΣ	having means for ionisation of gap(<b>H01T13/52</b> takes precedence)	376
H01T  13/52		ɽ̤˱äƤŤħΤ	characterised by a discharge along a surface	861
H01T  13/54		ʬŪĤǳƼ֤ŶˤĤ	having electrodes arranged in a partly-enclosed ignition chamber	1267
H01T  13/56		ưפȤΩƤ곰ǤʤĤȤħΤ	characterised by having component parts which are easily assembled or disassembled	183
H01T  13/58		ǳлβвλƣУˡΣ	Testing(testing characteristics of the spark in internal-combustion engine ignition <b>F02P17/12</b>)	427
H01T  13/60		ŵŪλΣ	of electrical properties	177
H01T  14/00		롼ףȣԣȣԣʬवʤѡåסʥŤ뤿֣ȣԣˡΣ	Spark gaps not provided for in groups <b>H01T2/00 to H01T13/00</b> (devices providing for corona discharge <b>H01T19/00</b>)	415
H01T  15/00		ѡåפΤäŬ礹ϩ㡥вϩǳؤΤвϩƣСǳ֤ΤŵŪѡУƣѡѡåפѤݸϩȣȣˡΣ	Circuits specially adapted for spark gaps, e.g. ignition circuits(ignition circuits for internal-combustion engines <b>F02P</b>; electric spark ignition for combustion apparatus <b>F23Q</b>; protection circuits using spark gaps <b>H02H9/06</b>)	1326
H01T  19/00		Ť뤿֡ŻҼ̿ǤŤΤΤΣǣǣˡΣ	Devices providing for corona discharge(for charging electrographic elements <b>G03G15/02</b>)	4962
H01T  19/02		ʥ	Corona rings	235
H01T  19/04		ȤäŶˤͭ	having pointed electrodes	7389
H01T  21/00		ѡåפޤϥѡץ饰¤ޤݼΤäŬ礷֤ޤˡ	Apparatus or processes specially adapted for the manufacture or maintenance of spark gaps or sparking plugs	642
H01T  21/02		ѡץ饰˴ؤ	of sparking plugs	2183
H01T  21/04		ʼΤμʣȣԣѡץ饰Τθ޿᤭դ֣£ã	Cleaning (means for self-cleaning <b>H01T13/14</b>;  abrasive blasting devices for cleaning sparking plugs <b>B24C3/34</b>)	262
H01T  21/06		ѡåפĴʥåĴѲưŶˤͭ륹ѡץ饰ȣԣˡΣ	Adjustment of spark gaps(sparking plugs having movable electrodes for adjusting the gap <b>H01T13/26</b>)	166
H01T  23/00		̩ĵΡ㡥絤Ƴ٤ȯ֡Σ	Apparatus for generating ions to be introduced into non-enclosed gases, e.g. into the atmosphere	7708
