Patents-Review.com
ClassID:

216307 ⎘

H01T21/06 - CPC Classification

Classification description:

Apparatus or processes specially adapted for the manufacture or maintenance of spark gaps or sparking plugs Adjustment of spark gaps

Recent Application in this class:
#1
20230155355
2023-05-18

Spark plug gapping tool

 #2
20220311220
2022-09-29

Spark plug gapping tool

 #3
20200244048
2020-07-30

Spark plug

 #4
20200036167
2020-01-30

Device for setting the electrode gap on a spark plug

 #5
20190379182
2019-12-12

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

 #6
20190103732
2019-04-04

Production method of spark plug

 #7
20180278026
2018-09-27

Surge protection component and method for producing a surge protection component

 #8
20170025826
2017-01-26

Method for producing a spark plug

 #9
20160105002
2016-04-14

Spark plug electrode gap setting tool

 #10
20150194791
2015-07-09

Spark plug

 #11
20150171599
2015-06-18

Spark plug

 #12
20150035427
2015-02-05

Spark plug construction

 #13
20140285083
2014-09-25

Spark plug having long service life

 #14
20140141680
2014-05-22

Method for inspecting spark plug and method for manufacturing spark plug

 #15
20140141679
2014-05-22

Method of manufacturing spark plug

 #16
20140062284
2014-03-06

Spark plug with an improved separation resistance of a noble metal tip

 #17
20140011417
2014-01-09

Method for manufacturing spark plug

 #18
20130187530
2013-07-25

Method of producing an electrode support using brazing

 #19
20130187529
2013-07-25

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

 #20
20130157538
2013-06-20

Method of manufacturing electrode complex for forming electrode of spark plug, and method of manufacturing spark plug

 #21
20130002122
2013-01-03

Spark plug electrode configuration

 #22
20120256531
2012-10-11

Spark plug having a hole for adjustment

 #23
20120190266
2012-07-26

Method for manufacturing spark plug for internal-combustion engine

 #24
20120157892
2012-06-21

Apparatus and Method for Clearance Calibration of Shock Wave Electrodes

 #25
20120069477
2012-03-22

Adjustable arc electrode assembly and method of assembling

 #26
20120068602
2012-03-22

Electrode and plasma gun configuration for use with a circuit protection device

 #27
20120001532
2012-01-05

Manufacturing apparatus and manufacturing method for spark plugs

 #28
20110314687
2011-12-29

Method for measuring deviation of joint position of member and method for producing spark plug

 #29
20110287683
2011-11-24

Method for measuring deviation of joint position of member and method for producing spark plug

 #30
20110171870
2011-07-14

Spark plug manufacturing method and spark plug manufacturing apparatus

 #31
20100320894
2010-12-23

SPARK PLUG HAVING LONG SERVICE LIFE

 #32
20100320893
2010-12-23

Spark plug and method of manufacturing the same

 #33
20100289397
2010-11-18

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

 #34
20090107438
2009-04-30

Pre-chamber igniter having adjustable electrode

 #35
20090043300
2009-02-12

APPARATUS AND METHOD FOR CLEARANCE CALIBRATION OF SHOCK WAVE ELECTRODES

 #36
20090017712
2009-01-15

Spark plug manufacturing method ensuring accurate and effective adjustment of spark gap

 #37
15974889
2018-10-16

Method of manufacturing spark plug