ClassID:

216295

H01T13/54 - CPC Classification

Classification description:

Sparking plugs having electrodes arranged in a partly-enclosed ignition chamber

Recent Application in this class:
#1
20250087973
2025-03-13

PRE-CHAMBER SPARK PLUG HAVING IMPROVED HEATING MANAGEMENT

#2
20250038488
2025-01-30

SPARK PLUG WITH A SEALING EARTH ELECTRODE

#3
20240369011
2024-11-07

Prechamber spark plug for an internal combustion engine and internal combustion engine

#4
20240283224
2024-08-22

Prechamber spark plug having improved ignition properties

#5
20240243557
2024-07-18

Spark plug

#6
20240170928
2024-05-23

Prechamber spark plug having accurately adjustable electrode gap, and associated method

#7
20240063609
2024-02-22

Spark plug

#8
20240047950
2024-02-08

Pre-combustion chamber assembly with ignition electrodes for an internal combustion engine

#9
20230396041
2023-12-07

Spark plug and method for producing a spark plug

#10
20230378723
2023-11-23

Thermally optimized prechamber spark plug

#11
20230332533
2023-10-19

Spark-ignited reciprocating piston internal combustion engine comprising a pre-chamber ignition system

#12
20230318264
2023-10-05

Economical pre-chamber spark plug

#13
20230216279
2023-07-06

Spark plug and internal combustion engine equipped with the same

#14
20230163574
2023-05-25

Spark plug for internal combustion engine and method of manufacturing the same

#15
20230143967
2023-05-11

Spark plug

#16
20230143447
2023-05-11

Spark plug

#17
20230124163
2023-04-20

Spark ignited engine with a pre-chamber, a prechamber and an adapter insert for the engine

#18
20230106076
2023-04-06

Spark plug

#19
20230103156
2023-03-30

Spark plug for internal combustion engine

#20
20230094043
2023-03-30

Spark plug for internal combustion engine

#21
20230093289
2023-03-23

Passive prechamber spark plug

#22
20230082577
2023-03-16

Passive prechamber spark plug

#23
20230070311
2023-03-09

Spark-ignited reciprocating piston internal combustion engine with a pre-chamber ignition system

#24
20230062977
2023-03-02

Spark plug

#25
20230040766
2023-02-09

Prechamber spark plug with improved cap

#26
20230038893
2023-02-09

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

#27
20230038174
2023-02-09

Spark plug for internal combustion engine

#28
20220416517
2022-12-29

Spark plug

#29
20220416516
2022-12-29

Spark plug

#30
20220416515
2022-12-29

Spark plug

#31
20220416514
2022-12-29

Spark plug for internal combustion engine

#32
20220376480
2022-11-24

Method for manufacturing a prechamber spark plug

#33
20220294191
2022-09-15

Spark plug

#34
20220285920
2022-09-08

Prechamber spark plug with thermally enhanced prechamber cap

#35
20220181853
2022-06-09

Prechamber spark plug having an adapted cap geometry

#36
20220140576
2022-05-05

Spark plug with multiple spark gaps

#37
20220094141
2022-03-24

Spark plug

#38
20220085578
2022-03-17

Spark plug including rounded insulator base section

#39
20220077662
2022-03-10

Internal combustion engine and spark plug

#40
20220065156
2022-03-03

Cooling of the spark plug with improved contact surface

#41
20210399532
2021-12-23

Spark plug

#42
20210359495
2021-11-18

Spark plug

#43
20210135433
2021-05-06

Prechamber spark plug

#44
20210040890
2021-02-11

Igniter assembly for a gas turbine combustor

#45
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

#46
20200335949
2020-10-22

Spark plug

#47
20200220336
2020-07-09

Flame-ejecting spark plug, and internal combustion engine and automobile having same

#48
20200185889
2020-06-11

Pre-chamber spark plug

#49
20200182132
2020-06-11

Spark plug

#50
20200165962
2020-05-28

Pre-chamber type internal combustion engine

#51
20200165960
2020-05-28

Pre-chamber type internal combustion engine

#52
20200106246
2020-04-02

Spark plug

#53
20200036166
2020-01-30

Pre-chamber spark plug and method for producing a pre-chamber spark plug

#54
20200014175
2020-01-09

Spark plug

#55
20200006925
2020-01-02

Spark plug for internal combustion engine

#56
20190309707
2019-10-10

SPARK PLUG AND ASSOCIATED PROPELLANT IGNITION SYSTEM

#57
20190284988
2019-09-19

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

#58
20190284985
2019-09-19

Combustion pre-chamber device for an internal combustion engine

#59
20190234293
2019-08-01

Prechamber device for combustion engine

#60
20190226387
2019-07-25

Ignition device and internal combustion engine

#61
20190203636
2019-07-04

Internal combustion engine

#62
20190170090
2019-06-06

Spark plug with supply passage for fuel, and a system with same

#63
20190078498
2019-03-14

Gasoline internal combustion engine, with a combustion pre-chamber and two spark plugs

#64
20190063329
2019-02-28

Igniter assembly for a gas turbine combustor

#65
20180294626
2018-10-11

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

#66
20180294625
2018-10-11

Combustion engine with pre-chamber spark plug

#67
20180294624
2018-10-11

Pre-chamber spark plug with orientated openings

#68
20180287351
2018-10-04

Spark plug

#69
20180219356
2018-08-02

IGNITION PLUG FOR INTERNAL COMBUSTION ENGINE

#70
20180166862
2018-06-14

Spark plug with shuttle electrode

#71
20180123324
2018-05-03

Prechamber spark plug for a gas-powered internal combustion engine, and method for manufacturing same

#72
20180038337
2018-02-08

PLASMA JET PLUG

#73
20180038270
2018-02-08

TWO-STAGE PRECOMBUSTION CHAMBER FOR LARGE BORE GAS ENGINES

#74
20170358906
2017-12-14

Prechamber spark plug for igniting a fuel-air mixture in an internal combustion engine

#75
20170358905
2017-12-14

Plasma jet plug

#76
20170284340
2017-10-05

Spark plug and associated propellant ignition system

#77
20170234287
2017-08-17

Internal combustion engine

#78
20170163012
2017-06-08

Cap shielded ignition system

#79
20170145898
2017-05-25

Pre-combustion chamber assembly for internal combustion engines

#80
20170104316
2017-04-13

Prechamber spark plug for a gas-powered internal combustion engine

#81
20170082080
2017-03-23

Ignition device for an extraneously igniting combustion piston engine

#82
20170047712
2017-02-16

Spark plug

#83
20170044970
2017-02-16

Controlled spark ignited flame kernel flow in fuel-fed prechambers

#84
20160276810
2016-09-22

Cap shielded ignition system

#85
20160254650
2016-09-01

Prechamber spark plug

#86
20160156159
2016-06-02

Spark plug for a gas-powered internal combustion engine

#87
20160141840
2016-05-19

Spark plug

#88
20160053670
2016-02-25

Method and apparatus for achieving high power flame jets while reducing quenching and autoignition in prechamber spark plugs for gas engines

#89
20160028214
2016-01-28

Plasma jet spark plug

#90
20150361945
2015-12-17

Pre-chamber spark plug with tubular electrode and method of manufacturing same

#91
20150194793
2015-07-09

Spark plug for internal combustion engine

#92
20150176474
2015-06-25

Method and apparatus for achieving high power flame jets while reducing quenching and autoignition in prechamber spark plugs for gas engines

#93
20150059456
2015-03-05

Spark plug for a gas-powered internal combustion engine

#94
20150040845
2015-02-12

Multi-chamber igniter

#95
20140225497
2014-08-14

PRECHAMBER MODULE FOR A LASER SPARK PLUG AND METHOD FOR PRODUCING SAME

#96
20140216382
2014-08-07

Corona ignition device

#97
20140165980
2014-06-19

Controlled spark ignited flame kernel flow

#98
20140060479
2014-03-06

Two-stage precombustion chamber for large bore gas engines

#99
20130313960
2013-11-28

Spark plug

#100
20130221830
2013-08-29

Spark plug

#101
20130206122
2013-08-15

Controlled spark ignited flame kernel flow

#102
20130099653
2013-04-25

Prechamber sparkplug

#103
20130088140
2013-04-11

Plasma jet ignition plug

#104
20130055986
2013-03-07

Method and apparatus for achieving high power flame jets while reducing quenching and autoignition in prechamber spark plugs for gas engines

#105
20130042834
2013-02-21

Controlled spark ignited flame kernel flow in fuel-fed prechambers

#106
20120299459
2012-11-29

Spark plug and method of manufacturing spark plug

#107
20120256531
2012-10-11

Spark plug having a hole for adjustment

#108
20120248964
2012-10-04

Pre-chamber spark plug including a gas thread cavity

#109
20120242215
2012-09-27

Copper core combustion cup for pre-chamber spark plug

#110
20120242214
2012-09-27

Plasma jet ignition plug

#111
20120240890
2012-09-27

Spark plug of an internal combustion engine

#112
20120133264
2012-05-31

Spark plug with firing end having downward extending tines

#113
20120125287
2012-05-24

Controlled Spark Ignited Flame Kernel Flow in Fuel-Fed Prechambers

#114
20120125279
2012-05-24

Pre-chamber spark plug with tubular electrode and method of manufacturing same

#115
20120104926
2012-05-03

SPARK PLUG, PARTICULARLY FOR A STATIONARY INTERNAL COMBUSTION ENGINE

#116
20120025689
2012-02-02

Prechamber spark plug

#117
20110297121
2011-12-08

SPARK PLUG WITH A LASER DEVICE IN A PRECHAMBER

#118
20110271930
2011-11-10

Gas engine with spark plug and bore-cooling holes

#119
20110215703
2011-09-08

Pre-chamber spark plug

#120
20110148274
2011-06-23

Spark plug for a gas-operated internal combustion engine

#121
20110089803
2011-04-21

Spark plug comprising a ground electrode support

#122
20110065350
2011-03-17

Method for forming an electrode for a spark plug

#123
20110062850
2011-03-17

Pre-chamber spark plug and electrodes therefor

#124
20110037373
2011-02-17

Plasma jet spark plug

#125
20100212620
2010-08-26

Plasma igniter and ignition device for internal combustion engine

#126
20100043748
2010-02-25

Spark plug

#127
20090309475
2009-12-17

Pre-chamber spark plug

#128
20090277410
2009-11-12

SPARK PLUG

#129
20090167135
2009-07-02

Spark plug

#130
20090139479
2009-06-04

Ignition spark plug

#131
20090133667
2009-05-28

Spark ignition engine

#132
20090107437
2009-04-30

RF igniter having integral pre-combustion chamber

#133
20090107436
2009-04-30

Laser igniter having integral pre-combustion chamber

#134
20090031988
2009-02-05

Non-equilibrium plasma discharge type ignition device

#135
20090026910
2009-01-29

Spark plug

#136
20080238283
2008-10-02

Plasma jet spark plug and manufacturing method therefor

#137
20080238281
2008-10-02

Plasma-jet spark plug

#138
20070236122
2007-10-11

Pre-chamber type spark plug

#139
20070169737
2007-07-26

Multiple spark pattern internal combustion initiation device and engine using same

#140
20070119409
2007-05-31

Ignition plugs for internal combustion engine

#141
20070069617
2007-03-29

Pre-chamber spark plug

#142
20070022736
2007-02-01

IGNITER FOR INTERNAL COMBUSTION ENGINES OPERATING OVER A WIDE RANGE OF AIR FUEL RATIOS

#143
20060267469
2006-11-30

Dual-spark pre-chambered spark igniter

#144
20060181185
2006-08-17

Spark plug having shield for ground electrode

#145
20060150960
2006-07-13

Spark plug with voltage amplifier and conical/hemi-spherical spark chamber

#146
20060066194
2006-03-30

Spark plug

#147
20050268882
2005-12-08

Precombustion chamber ignition device made of a material with high thermal conductivity for an internal combustion engine, and precombustion chamber igniter

#148
20050211217
2005-09-29

Pre-chambered type spark plug with pre-chamber entirely below a bottom surface of a cylinder head

#149
20050056247
2005-03-17

Igniter for internal combustion engines operating over a wide range of air fuel ratios

#150
20050000484
2005-01-06

Pre-chambered type spark plug with a flat bottom being aligned with a bottom surface of a cylinder head

#151
18089777
2023-09-12

Prechamber spark plug and method of manufacturing the same

#152
18082082
2023-11-14

Ignition system for internal combustion engine

#153
17572130
2023-01-10

Pre-chamber spark plug