ClassID:

216280

H01T13/34 - CPC Classification

Classification description:

Sparking plugs characterised by features of the electrodes or insulation characterised by the mounting of electrodes in insulation, e.g. by embedding

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

TRAVELING SPARK IGNITER

#2
20260005493
2026-01-01

SPARK PLUG

#3
20250392105
2025-12-25

SPARK PLUG

#4
20250372960
2025-12-04

SPARK PLUG

#5
20250372959
2025-12-04

SPARK PLUG

#6
20250372958
2025-12-04

SPARK PLUG

#7
20240405520
2024-12-05

SPARK PLUG WITH ELECTRODE HEAD SHIELDING ELEMENT

#8
20240396309
2024-11-28

Spark plug

#9
20240396308
2024-11-28

Spark plug

#10
20240332917
2024-10-03

Spark plug

#11
20240332916
2024-10-03

SPARK PLUG

#12
20240291243
2024-08-29

Spark plug

#13
20240250508
2024-07-25

Spark plug

#14
20240243556
2024-07-18

Spark plug

#15
20240170928
2024-05-23

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

#16
20240063609
2024-02-22

Spark plug

#17
20230238781
2023-07-27

Spark plug with electrode head shielding element

#18
20230187910
2023-06-15

Spark plug with mechanically and thermally coupled center electrode

#19
20230178968
2023-06-08

Spark plug

#20
20230163574
2023-05-25

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

#21
20230155354
2023-05-18

Spark plug

#22
20230155353
2023-05-18

Spark plug

#23
20230094043
2023-03-30

Spark plug for internal combustion engine

#24
20230028253
2023-01-26

Spark plug with mechanically and thermally coupled center electrode

#25
20230006427
2023-01-05

Ignition plug

#26
20220360052
2022-11-10

Spark plug

#27
20220360051
2022-11-10

Spark plug

#28
20220173577
2022-06-02

Traveling spark igniter

#29
20210376575
2021-12-02

Spark plug and method for manufacturing the same

#30
20210249846
2021-08-12

Spark plug with insulator with particular shape

#31
20210028606
2021-01-28

Method for manufacturing spark plug with peripheral edge of proximal end surface of sealing distal-end layer prevented from significantly rising toward proximal end

#32
20210021105
2021-01-21

Spark plug

#33
20210013704
2021-01-14

Ignition plug

#34
20200403386
2020-12-24

Ignition plug

#35
20200373742
2020-11-26

TRAVELING SPARK IGNITER

#36
20200185888
2020-06-11

Pre-chamber spark plug with surface discharge spark gap

#37
20200182132
2020-06-11

Spark plug

#38
20200161838
2020-05-21

Spark plug resistance element comprising fine non-conductive particles

#39
20200112144
2020-04-09

Spark plug for internal combustion engine

#40
20200091685
2020-03-19

Spark plug and resistor material for spark plug

#41
20200006926
2020-01-02

Ignition apparatus for internal combustion engine

#42
20200006925
2020-01-02

Spark plug for internal combustion engine

#43
20190379182
2019-12-12

Method of producing composite for forming electrode of ignition plug and method of producing ignition plug

#44
20190341747
2019-11-07

Spark plug for an internal combustion engine having a two-piece electrode and an annular earth electrode

#45
20190309707
2019-10-10

SPARK PLUG AND ASSOCIATED PROPELLANT IGNITION SYSTEM

#46
20190305523
2019-10-03

Spark plug

#47
20190296525
2019-09-26

Spark plug having a center electrode with improved thermal properties

#48
20190199069
2019-06-27

Sensitivity enhancement wearable

#49
20190181621
2019-06-13

Corona igniter with hermetic combustion seal on insulator inner diameter

#50
20190181620
2019-06-13

Spark plug for internal combustion engine

#51
20190173266
2019-06-06

Spark plug

#52
20190165548
2019-05-30

Ignition plug, control system, internal combustion engine, and internal combustion engine system

#53
20190115729
2019-04-18

Spark plug

#54
20190067915
2019-02-28

Spark plug

#55
20190027903
2019-01-24

TRAVELING SPARK IGNITER

#56
20190020181
2019-01-17

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

#57
20190020180
2019-01-17

Spark plug

#58
20180366917
2018-12-20

Spark plug

#59
20180358784
2018-12-13

Spark plug having the thickness of a magnetic member without excessively narrowing an electrode member

#60
20180351332
2018-12-06

Spark plug

#61
20180323584
2018-11-08

Spark plug

#62
20180309270
2018-10-25

Spark plug for internal combustion engine

#63
20180288864
2018-10-04

Ignition plug

#64
20180287350
2018-10-04

Spark plug

#65
20180264596
2018-09-20

METHOD FOR MANUFACTURING SPARK PLUG

#66
20180191138
2018-07-05

Spark plug

#67
20180183216
2018-06-28

Spark plug

#68
20180175592
2018-06-21

Spark plug

#69
20180166862
2018-06-14

Spark plug with shuttle electrode

#70
20180123325
2018-05-03

Method of forming a metallic electrode on the ceramic insulator of a spark plug

#71
20180123324
2018-05-03

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

#72
20180123323
2018-05-03

Spark plug

#73
20180069378
2018-03-08

Spark plug

#74
20180062357
2018-03-01

Spark plug and manufacturing method thereof

#75
20180019578
2018-01-18

Spark plug

#76
20170338629
2017-11-23

Spark plug having reduced wear of the center electrode and method of making such a spark plug

#77
20170326765
2017-11-16

Spark plug insulator production method, insulator, molding die

#78
20170288374
2017-10-05

Spark plug having a resistor element

#79
20170284340
2017-10-05

Spark plug and associated propellant ignition system

#80
20170271852
2017-09-21

Ignition plug

#81
20170264081
2017-09-14

Extruded insulator for spark plug and method of making the same

#82
20170222405
2017-08-03

Spark plug

#83
20170214223
2017-07-27

Method for manufacturing spark plug

#84
20170214221
2017-07-27

Corona igniter with hermetic combustion seal on insulator inner diameter

#85
20170179687
2017-06-22

Spark plug

#86
20170110854
2017-04-20

Spark plug

#87
20170025827
2017-01-26

Spark plug having a powder capsule

#88
20170025826
2017-01-26

Method for producing a spark plug

#89
20170025824
2017-01-26

Corona suppression at the high voltage joint through introduction of a semi-conductive sleeve between the central electrode and the dissimilar insulating materials

#90
20170025823
2017-01-26

Method for manufacturing spark plug

#91
20160344165
2016-11-24

Corona ignition device with improved seal

#92
20160344164
2016-11-24

Spark plug with improved seal

#93
20160329688
2016-11-10

Spark plug having an electrode structure that effectively suppresses flashover

#94
20160285242
2016-09-29

Spark plug

#95
20160215710
2016-07-28

Ignition plug for a cylinder in a combustion engine

#96
20160099551
2016-04-07

Spark plug for internal combustion engine

#97
20160087410
2016-03-24

Spark plug

#98
20160064903
2016-03-03

Spark plug for internal combustion engine and method of manufacturing spark plug

#99
20160043531
2016-02-11

Spark plug with improved seal

#100
20160039712
2016-02-11

Corona ignition device with improved seal

#101
20160006220
2016-01-07

Spark plug

#102
20150263490
2015-09-17

Spark plug

#103
20150194792
2015-07-09

Spark plug

#104
20150114334
2015-04-30

SPARK PLUG FOR INTERNAL COMBUSTION ENGINES INCORPORATING A DIODE

#105
20150111458
2015-04-23

Method of making composite spark plug with capacitor

#106
20140210335
2014-07-31

Spark plug

#107
20140167595
2014-06-19

Ignition plug having a rear trunk portion that provides sufficient strength

#108
20140138122
2014-05-22

Extruded insulator for spark plug and method of making the same

#109
20140137845
2014-05-22

Corona ignition device

#110
20130328477
2013-12-12

High-frequency spark plug with center electrode and terminal electrode in direct contact

#111
20130307402
2013-11-21

Spark plug

#112
20130285534
2013-10-31

Spark plug

#113
20130264935
2013-10-10

Electrode-attached insulator and spark plug

#114
20130234581
2013-09-12

Short-circuit prevention in an RF spark plug

#115
20130175922
2013-07-11

Spark plug and manufacturing method for same

#116
20130033188
2013-02-07

Ignition plug and ignition apparatus

#117
20110298164
2011-12-08

Method of assembling a small-diameter spark plug with resistive seal

#118
20110248620
2011-10-13

Spark plug for internal combustion engine

#119
20100301733
2010-12-02

Spark plug having a reduced physical volume

#120
20100264823
2010-10-21

Spark plug having improved adhesion between resistor and glass sealing layer

#121
20100233929
2010-09-16

Method of manufacturing spark plug

#122
20100206256
2010-08-19

Spark plug for internal combustion engine

#123
20100117507
2010-05-13

Spark plug having self-cleaning of carbon deposits

#124
20100052500
2010-03-04

Spark plug and methods of construction thereof

#125
20090239437
2009-09-24

Method for manufacturing a spark plug insulator including steps for forming a through hole therein

#126
20090033194
2009-02-05

Plasma-generating plug

#127
20080284305
2008-11-20

Small-diameter spark plug with resistive seal

#128
20070290590
2007-12-20

Spark plug with an improved seal

#129
20070262721
2007-11-15

Composite spark plug

#130
20070228915
2007-10-04

Spark plug used for an internal-combustion engine and a method for manufacturing the same

#131
20060220510
2006-10-05

Spark plug with excellent impact resistance conductive seal, and method for producing the same

#132
20060158081
2006-07-20

Spark plug

#133
20060099872
2006-05-11

Method of making a spark plug having a multi-tiered center wire assembly

#134
20060076865
2006-04-13

Spark plug

#135
20050242694
2005-11-03

Spark plug

#136
20050189858
2005-09-01

Spark plug

#137
20050174026
2005-08-11

Spark plug with sealing ring around center electrode

#138
20050116598
2005-06-02

Spark plug

#139
20050093414
2005-05-05

Glass sealed spark plug assembly

#140
20050093411
2005-05-05

Spark plug having a multi-tiered center wire assembly

#141
16841991
2020-09-08

Spark plug that suppresses pre-ignition and misfires