ClassID:

216291

H01T13/467 - CPC Classification

Classification description:

Sparking plugs having two or more spark gaps in parallel connection

Recent Application in this class:
#1
20260066621
2026-03-05

TRAVELING SPARK IGNITER

#2
20250038488
2025-01-30

SPARK PLUG WITH A SEALING EARTH ELECTRODE

#3
20240421565
2024-12-19

SPARK PLUG

#4
20240388068
2024-11-21

Method for producing a spark plug, and spark plug

#5
20240380188
2024-11-14

SPARK PLUG HAVING A SMALL INTER-ELECTRODE DISTANCE AND AN AT LEAST PARTLY NEGATIVE SPARK POSITION

#6
20240063609
2024-02-22

Spark plug

#7
20230070763
2023-03-09

Multi-ignition coil control system

#8
20230038893
2023-02-09

Prechamber spark plug, ignition electrode for a prechamber spark plug and method for producing an ignition electrode

#9
20220416516
2022-12-29

Spark plug

#10
20220416515
2022-12-29

Spark plug

#11
20220173577
2022-06-02

Traveling spark igniter

#12
20220140576
2022-05-05

Spark plug with multiple spark gaps

#13
20210351573
2021-11-11

Prechamber sparkplug having electrodes located for inhibiting flame kernel quenching

#14
20210184437
2021-06-17

Spark plug configurations with electrode to direct charge flow for a combustion pre-chamber of an internal combustion engine

#15
20200388993
2020-12-10

Spark plug and manufacturing method thereof

#16
20200386147
2020-12-10

Pre-chamber spark plug for a combustion chamber of an internal combustion engine, in particular of a motor vehicle, and an internal combustion engine for a motor vehicle

#17
20200373742
2020-11-26

TRAVELING SPARK IGNITER

#18
20200287359
2020-09-10

Spark plug having a plurality of ground electrodes

#19
20200256308
2020-08-13

Spark plug combustion ionization sensor

#20
20190284988
2019-09-19

Spark plug for an internal combustion engine having a combustion pre-chamber

#21
20190027903
2019-01-24

TRAVELING SPARK IGNITER

#22
20190020181
2019-01-17

Spark plug including an insulator with a front end portion having first and second sections

#23
20180342855
2018-11-29

Spark plug size adaptor assembly

#24
20180294626
2018-10-11

Pre-chamber spark plug for highly stressed mobile gasoline-driven engine applications

#25
20180123322
2018-05-03

Multi-electrode spark plug

#26
20170170636
2017-06-15

Spark plug

#27
20170145898
2017-05-25

Pre-combustion chamber assembly for internal combustion engines

#28
20170077680
2017-03-16

Multi-electrode spark plug

#29
20170005457
2017-01-05

Spark plug

#30
20160356258
2016-12-08

Multi-coil spark ignition system

#31
20160254650
2016-09-01

Prechamber spark plug

#32
20160087411
2016-03-24

Spark plug

#33
20160020583
2016-01-21

Ignition system and ignition plug that reduces the required voltage to sustain an engine, while improving ignition performance and combustability

#34
20150340845
2015-11-26

Spark plug

#35
20150194791
2015-07-09

Spark plug

#36
20150171599
2015-06-18

Spark plug

#37
20150145402
2015-05-28

Spark plug and manufacturing method thereof

#38
20150035427
2015-02-05

Spark plug construction

#39
20150028737
2015-01-29

Spark plug, in particular swirl chamber spark plug

#40
20140354137
2014-12-04

Spark plug

#41
20140299087
2014-10-09

Spark plug for internal combustion engines and mounting structure for the spark plug

#42
20140285083
2014-09-25

Spark plug having long service life

#43
20140261270
2014-09-18

Wear protection features for corona igniter

#44
20140246972
2014-09-04

Spark plug

#45
20140196684
2014-07-17

SPARK PLUG FOR AN INTERNAL COMBUSTION ENGINE

#46
20140165980
2014-06-19

Controlled spark ignited flame kernel flow

#47
20140144402
2014-05-29

Barrier discharge ignition apparatus for internal combustion engine

#48
20140083386
2014-03-27

Spark plug for an internal combustion engine

#49
20140076274
2014-03-20

Time-varying spark current magnitude to improve spark plug performance and durability

#50
20140038114
2014-02-06

Radially firing igniter

#51
20140015398
2014-01-16

Spark plug and production method therefor

#52
20130313960
2013-11-28

Spark plug

#53
20130312692
2013-11-28

Spark plug for an internal combustion engine

#54
20130208394
2013-08-15

Ignition apparatus

#55
20130206101
2013-08-15

Spark plug for removing residual exhaust gas and associated combustion chamber

#56
20130196272
2013-08-01

High power semi-surface gap plug

#57
20130187530
2013-07-25

Method of producing an electrode support using brazing

#58
20130187529
2013-07-25

Method of producing a spark gap for an electrode support using sacrificial material

#59
20130155570
2013-06-20

Corona ignition device

#60
20130099653
2013-04-25

Prechamber sparkplug

#61
20130049566
2013-02-28

Corona igniter including temperature control features

#62
20130009537
2013-01-10

Igniter for an internal combustion engine

#63
20130009535
2013-01-10

Spark plug

#64
20130002122
2013-01-03

Spark plug electrode configuration

#65
20120299459
2012-11-29

Spark plug and method of manufacturing spark plug

#66
20120289115
2012-11-15

Spark plug for internal combustion engine and manufacturing method thereof

#67
20120199088
2012-08-09

Corona ignition device having asymmetric firing tip

#68
20120133264
2012-05-31

Spark plug with firing end having downward extending tines

#69
20120104926
2012-05-03

SPARK PLUG, PARTICULARLY FOR A STATIONARY INTERNAL COMBUSTION ENGINE

#70
20120060785
2012-03-15

Ignition device of internal combustion engine and electrode structure of the ignition device

#71
20120048250
2012-03-01

METHOD FOR IGNITING AIR-FUEL MIXTURE THAT FILLS COMBUSTION SPACE PROVIDED IN COMBUSTION VESSEL OF INTERNAL COMBUSTION ENGINE

#72
20120025689
2012-02-02

Prechamber spark plug

#73
20110247579
2011-10-13

Igniter including a corona enhancing electrode tip

#74
20110215703
2011-09-08

Pre-chamber spark plug

#75
20110215702
2011-09-08

Spark plug for low temperature environment

#76
20110148274
2011-06-23

Spark plug for a gas-operated internal combustion engine

#77
20110115361
2011-05-19

Spark plug with receiving end of ground elbow set above discharge terminal of central electrode and located by one side of central electrode extension line

#78
20110089803
2011-04-21

Spark plug comprising a ground electrode support

#79
20110045731
2011-02-24

Method of producing a spark plug

#80
20100320894
2010-12-23

SPARK PLUG HAVING LONG SERVICE LIFE

#81
20100277049
2010-11-04

Spark plug

#82
20100133976
2010-06-03

Maxx fire spark plug

#83
20090309475
2009-12-17

Pre-chamber spark plug

#84
20090277410
2009-11-12

SPARK PLUG

#85
20090241321
2009-10-01

Spark Plug Construction

#86
20090167135
2009-07-02

Spark plug

#87
20090140623
2009-06-04

SPARK PLUG

#88
20090139479
2009-06-04

Ignition spark plug

#89
20090079318
2009-03-26

Spark Plug

#90
20090066210
2009-03-12

Spark plug with riveted sleeve

#91
20090026910
2009-01-29

Spark plug

#92
20080284303
2008-11-20

Spark plug for motor vehicle internal combustion engine

#93
20080257303
2008-10-23

Direct-injection spark-ignition system

#94
20080164800
2008-07-10

SPARK PLUG ENSURING ENHANCED IGNITABILITY OF FUEL

#95
20070252503
2007-11-01

Spark plug having a reference electrode and an elongated electrode

#96
20070228916
2007-10-04

Spark plug for internal combustion engine

#97
20070169737
2007-07-26

Multiple spark pattern internal combustion initiation device and engine using same

#98
20070069617
2007-03-29

Pre-chamber spark plug

#99
20060232276
2006-10-19

Spark plug

#100
20060220512
2006-10-05

Spark plug requiring low discharge voltage and having high self-cleaning capability

#101
20060181185
2006-08-17

Spark plug having shield for ground electrode

#102
20060163992
2006-07-27

Spark plug for internal combustion engine

#103
20060082275
2006-04-20

Coaxial twin spark plug

#104
20060066194
2006-03-30

Spark plug

#105
20060033411
2006-02-16

Spark plug

#106
20060028107
2006-02-09

Spark plug with multiple ground electrodes

#107
20060022565
2006-02-02

High electrical stiction spark plug

#108
20050194877
2005-09-08

Spark plug having multiple point firing points

#109
20050184633
2005-08-25

Spark plug

#110
20050134159
2005-06-23

Spark plug

#111
20050127809
2005-06-16

Spark plug

#112
20050104495
2005-05-19

Spark plug having a plurality of center electrodes

#113
20050057132
2005-03-17

Spark plug

#114
20050052107
2005-03-10

Spark plug element having defined dimensional parameters for its insulator component

#115
20050040749
2005-02-24

Spark plug

#116
16843200
2020-07-14

Spark plug

#117
16776931
2020-12-08

Direct fuel injected spark igniter for internal combustion engines