H01T13/41 - CPC Classification Index

#1

20240332915

2024-10-03

Spark igniter with magnetic field for pushing spark

#2

20230178968

2023-06-08

Spark plug

#3

20220029390

2022-01-27

Spark plug resistance element and spark plug

#4

20210399531

2021-12-23

Dual spark plug

#5

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

#6

20200350747

2020-11-05

Spark plug resistance element with increased ZrSiOphase fraction

#7

20200312544

2020-10-01

Ignition coil

#8

20200256308

2020-08-13

Spark plug combustion ionization sensor

#9

20200219650

2020-07-09

Ignition coil

#10

20200091685

2020-03-19

Spark plug and resistor material for spark plug

#11

20190309707

2019-10-10

SPARK PLUG AND ASSOCIATED PROPELLANT IGNITION SYSTEM

#12

20190305523

2019-10-03

Spark plug

#13

20190199069

2019-06-27

Sensitivity enhancement wearable

#14

20190115729

2019-04-18

Spark plug

#15

20190067915

2019-02-28

Spark plug

#16

20180375298

2018-12-27

SPARK PLUG

#17

20180358784

2018-12-13

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

#18

20180278027

2018-09-27

High frequency discharge ignition device

#19

20180183216

2018-06-28

Spark plug

#20

20180175592

2018-06-21

Spark plug

#21

20180142664

2018-05-24

Spark Plug Combustion Ionization Sensor

#22

20180034247

2018-02-01

Spark plug with a suppressor that is formed at low temperature

#23

20180034246

2018-02-01

Spark plug for internal combustion engine

#24

20180019578

2018-01-18

Spark plug

#25

20170346259

2017-11-30

Spark plug capable of restraining lateral sparking

#26

20170331259

2017-11-16

Spark plug

#27

20170288375

2017-10-05

Spark plug

#28

20170284340

2017-10-05

Spark plug and associated propellant ignition system

#29

20170279249

2017-09-28

Ignition system

#30

20170256919

2017-09-07

High-power breakdown spark plugs and related methods

#31

20170244224

2017-08-24

Spark plug for a gas-powered internal combustion engine and method for the manufacture thereof

#32

20170214219

2017-07-27

Spark plug

#33

20170179687

2017-06-22

Spark plug

#34

20170110854

2017-04-20

Spark plug

#35

20170025827

2017-01-26

Spark plug having a powder capsule

#36

20160329687

2016-11-10

Spark plug

#37

20160322789

2016-11-03

Spark plug

#38

20160285242

2016-09-29

Spark plug

#39

20160204580

2016-07-14

Spark plug

#40

20160204579

2016-07-14

Spark plug

#41

20160099551

2016-04-07

Spark plug for internal combustion engine

#42

20160064904

2016-03-03

Spark plug with interference-suppression element

#43

20150325982

2015-11-12

Spark plug

#44

20150318672

2015-11-05

SPARK PLUG

#45

20150263490

2015-09-17

Spark plug

#46

20150214697

2015-07-30

Spark plug

#47

20150111458

2015-04-23

Method of making composite spark plug with capacitor

#48

20150069902

2015-03-12

Spark plug

#49

20150059456

2015-03-05

Spark plug for a gas-powered internal combustion engine

#50

20140328003

2014-11-06

Corona ignition device and method for producing a corona ignition device

#51

20140328002

2014-11-06

Ignition coil assembly with extension for electrical connection of an ignition plug

#52

20140134912

2014-05-15

Spark plug

#53

20140091707

2014-04-03

Ignition plug

#54

20140091700

2014-04-03

Spark plug with internal resistor having Ti and Zr components

#55

20130264939

2013-10-10

Spark plug

#56

20130175922

2013-07-11

Spark plug and manufacturing method for same

#57

20120306345

2012-12-06

Spark plug

#58

20120186568

2012-07-26

Ignition coil, spark plug, and ignition set-up including an ignition coil and spark plug

#59

20120176021

2012-07-12

Spark plug for internal-combustion engine

#60

20120142243

2012-06-07

High power discharge fuel ignitor

#61

20120126683

2012-05-24

SPARK PLUG

#62

20120112621

2012-05-10

Spark plug with undercut insulator and one piece shell

#63

20110298164

2011-12-08

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

#64

20110204766

2011-08-25

Spark plug and resistor composition

#65

20110133626

2011-06-09

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

#66

20110037371

2011-02-17

Spark plug having a fixation assisting member for the insulator

#67

20080284305

2008-11-20

Small-diameter spark plug with resistive seal

#68

20080149083

2008-06-26

Plasma ignition system

#69

20080018216

2008-01-24

High power discharge fuel ignitor

#70

20070290594

2007-12-20

Spark plug with tapered fired-in suppressor seal

#71

20070290590

2007-12-20

Spark plug with an improved seal

#72

20070262721

2007-11-15

Composite spark plug

#73

20070159047

2007-07-12

Spark plug having excellent capabilities of detecting ion current and suppressing inside sparks

#74

20060099872

2006-05-11

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

#75

20060076865

2006-04-13

Spark plug

#76

20050093411

2005-05-05

Spark plug having a multi-tiered center wire assembly