H01T13/60 - CPC Classification Index

#1

20240305070

2024-09-12

Insulator and spark plug

#2

20240102437

2024-03-28

Measuring a spark of a spark plug

#3

20210399533

2021-12-23

IGNITION APPARATUS

#4

20210351574

2021-11-11

Spark plug heat rating measurement method and system based on spark discharge current active heating

#5

20210332783

2021-10-28

Method for operating an internal combustion engine, and controller for carrying out the method

#6

20210293216

2021-09-23

Method and device for detecting the breakdown voltage between the electrodes of a spark plug connected to an ignition coil for a cylinder ignition system in an internal combustion engine

#7

20200200091

2020-06-25

Spark igniter life detection

#8

20200044421

2020-02-06

Method of inspecting spark plug and method of manufacturing spark plug

#9

20190376486

2019-12-12

Spark plug electrode wear rate determination for a spark-ignited engine

#10

20190229502

2019-07-25

Method for testing a semiconductor spark plug

#11

20190199070

2019-06-27

Spark plug production method, spark plug production device and assembly inspection method

#12

20180375299

2018-12-27

Spark plug

#13

20180374601

2018-12-27

Spark plug

#14

20180351333

2018-12-06

METHOD OF TESTING A SPARK PLUG, AND A TESTING STATION THEREFOR

#15

20180306163

2018-10-25

SYSTEM AND METHOD FOR DETERMINING HEALTH STATE OF A SPARK PLUG

#16

20180183217

2018-06-28

Spark plug production method, spark plug production device and assembly inspection method

#17

20180100479

2018-04-12

Spark plug condition monitoring

#18

20180069379

2018-03-08

Method for producing spark plug

#19

20170350364

2017-12-07

Method for determining a need for changing a spark plug

#20

20170288376

2017-10-05

System and method for testing breakdown voltage/dielectric strength of spark plug insulators

#21

20170284358

2017-10-05

Ignition system and method for checking electrodes of a spark plug of an internal combustion engine

#22

20170268476

2017-09-21

Spark plug fouling detection for ignition system

#23

20170093133

2017-03-30

Spark plug

#24

20170025823

2017-01-26

Method for manufacturing spark plug

#25

20160223604

2016-08-04

Method for inspecting insulator for spark plug

#26

20160138553

2016-05-19

Spark plug fouling detection

#27

20160097368

2016-04-07

Spark plug fouling detection for ignition system

#28

20150340846

2015-11-26

DETECTION SYSTEM FOR DETERMINING SPARK VOLTAGE

#29

20150207300

2015-07-23

Spark plug

#30

20140361789

2014-12-11

Non-contact discharge evaluation method and non-contact discharge evaluation apparatus

#31

20140141680

2014-05-22

Method for inspecting spark plug and method for manufacturing spark plug

#32

20140141679

2014-05-22

Method of manufacturing spark plug

#33

20130099792

2013-04-25

Enhanced method of sensing ionization current in spark ignition internal combustion engines and related spark plug structures

#34

20120125007

2012-05-24

METHOD AND SYSTEM FOR ENGINE IGNITION AND MONITORING

#35

20120080996

2012-04-05

Spark plug

#36

20080315895

2008-12-25

Test method and apparatus for spark plug insulator

#37

20050055169

2005-03-10

Methods of diagnosing open-secondary winding of an ignition coil using the ionization current signal

#38

17325665

2022-05-10

Spark plug testing tool