ClassID:

163929

F42D1/043 - CPC Classification

Classification description:

Blasting methods or apparatus, e.g. loading or tamping; Arrangements for ignition Connectors for detonating cords and ignition tubes, e.g. Nonel tubes

Recent Application in this class:
#1
20250251224
2025-08-07

SYSTEMS AND METHODS FOR TRIGGERING EXPLOSIVES IN HOLES

#2
20250243131
2025-07-31

CORELESS-COIL SHOCK TUBE SYSTEM WITH REDUCED NOISE

#3
20240392662
2024-11-28

PERFORATING GUN ORIENTATION SYSTEM

#4
20240116834
2024-04-11

Coreless-coil shock tube system with reduced noise

#5
20240102781
2024-03-28

Detonating Cord Depth Locating Feature

#6
20240068334
2024-02-29

INITIATOR ASSEMBLIES FOR PERFORATING GUN SYSTEMS

#7
20240060401
2024-02-22

Shaped charge load tube with integrated detonation cord retention mechanism

#8
20240053129
2024-02-15

IGNITION ARRANGEMENT FOR MULTIPLE PYROTECHNIC ARTICLES

#9
20230280139
2023-09-07

Firing device for shock tube

#10
20230194228
2023-06-22

Wireless electronic initiation device, an initiation arrangement and method for initiation

#11
20230068361
2023-03-02

Shock tube coil system

#12
20230033964
2023-02-02

PRIMING WELL FOR EXPLOSIVE DETONATING SYSTEMS

#13
20230009723
2023-01-12

Shaped Charge Retainer System

#14
20220372851
2022-11-24

Perforating gun orientation system

#15
20220372850
2022-11-24

Box by Pin Perforating Gun System and Methods

#16
20220372849
2022-11-24

Box by pin perforating gun system

#17
20220307808
2022-09-29

Perforating gun with conductive detonating cord

#18
20220213005
2022-07-07

Coreless-coil shock tube system with reduced noise

#19
20220170727
2022-06-02

Electrical connector

#20
20220170350
2022-06-02

Fluid-disabled detonator and perforating gun assembly

#21
20220099422
2022-03-31

Shock tube event validation

#22
20220099416
2022-03-31

Method of assembling a detonator

#23
20220090899
2022-03-24

Detonator construction

#24
20220090898
2022-03-24

Detonator sensing arrangement

#25
20220082363
2022-03-17

Control circuit for a detonator

#26
20220082362
2022-03-17

Method of validating a shock tube event

#27
20220034206
2022-02-03

Box by pin perforating gun system and methods

#28
20220018638
2022-01-20

Booster charge holder for an initiator system

#29
20220018227
2022-01-20

Initiator assemblies for perforating gun systems

#30
20210363863
2021-11-25

Initiator head assembly

#31
20210355796
2021-11-18

PROPELLANT CONTAINER FOR A PERFORATING GUN

#32
20210348486
2021-11-11

Shaped charge load tube with integrated detonation cord retention mechanism

#33
20210317728
2021-10-14

Perforating gun assembly and wellbore tool string with tandem seal adapter

#34
20210317052
2021-10-14

Coreless-coil shock tube system with reduced noise

#35
20210310779
2021-10-07

Boosterless ballistic transfer

#36
20210277752
2021-09-09

Modular perforating gun system

#37
20210254955
2021-08-19

REFILL INTERFACE

#38
20210238966
2021-08-05

Single charge perforation gun and system

#39
20210222526
2021-07-22

Perforating gun assembly having seal element of tandem seal adapter and coupling of housing intersecting with a common plane perpendicular to longitudinal axis

#40
20210189846
2021-06-24

Box by pin perforating gun system and methods

#41
20210148688
2021-05-20

Connector for blast-triggering device

#42
20210123708
2021-04-29

Automated detonation of fireworks

#43
20210094890
2021-04-01

Coreless-coil shock tube system with reduced noise

#44
20210055091
2021-02-25

Boosterless ballistic transfer

#45
20210048284
2021-02-18

Downhole firing tool

#46
20210048283
2021-02-18

Conductive detonating cord for perforating gun

#47
20200399995
2020-12-24

Tandem seal adapter for use with a wellbore tool, and wellbore tool string including a tandem seal adapter

#48
20200378737
2020-12-03

Exposed ballistic transfer with encapsulated receiver booster

#49
20200378736
2020-12-03

Wall Breaching Charge

#50
20200370399
2020-11-26

Detonating Cord Retaining Device

#51
20200318938
2020-10-08

Coreless-coil shock tube package system

#52
20200284570
2020-09-10

Explosive detonating system and components

#53
20200271430
2020-08-27

Conductive shock tube

#54
20200263968
2020-08-20

High shot density charge holder for perforating gun

#55
20200256169
2020-08-13

Initiator head assembly

#56
20200248536
2020-08-06

Electronic releasing mechanism

#57
20200225014
2020-07-16

Downhole firing tool

#58
20200217635
2020-07-09

Electrical connector

#59
20200199983
2020-06-25

Perforating gun system with electrical connection assemblies

#60
20200124391
2020-04-23

Trunkline delay detonator and blast-triggering device using same

#61
20200063537
2020-02-27

Pressure bulkhead

#62
20200032626
2020-01-30

Perforation gun components and system

#63
20200025544
2020-01-23

Ignition device with a compact design

#64
20200002012
2020-01-02

Inert ambient pressure delay

#65
20190376775
2019-12-12

Conductive detonating cord for perforating gun

#66
20190368322
2019-12-05

Fluid-disabled detonator and perforating gun assembly

#67
20190346245
2019-11-14

Detonator sensor assembly

#68
20190293398
2019-09-26

Pivotable bulkhead assembly for crimp resistance

#69
20190292886
2019-09-26

Fluid-disabled detonator and method of use

#70
20190249970
2019-08-15

High explosive firing mechanism

#71
20190242222
2019-08-08

Method of making an initiator head assembly

#72
20190219375
2019-07-18

Perforation gun components and system

#73
20190211655
2019-07-11

Box by pin perforating gun system and methods

#74
20190195605
2019-06-27

Detonator

#75
20190195056
2019-06-27

Propellant container for a perforating gun

#76
20190195054
2019-06-27

Box by pin perforating gun system

#77
20190119066
2019-04-25

Apparatus for use in a blasting system

#78
20190063892
2019-02-28

Explosive detonating system and components

#79
20190055803
2019-02-21

Colliding tool

#80
20190049225
2019-02-14

Pivotable bulkhead assembly for crimp resistance

#81
20180372466
2018-12-27

Ground apparatus for bulkhead assembly

#82
20180202790
2018-07-19

Perforation gun components and system

#83
20180202789
2018-07-19

PERFORATION GUN COMPONENTS AND SYSTEM

#84
20180202780
2018-07-19

Shell for housing an explosive material for use in mining

#85
20180195846
2018-07-12

Methods of igniting devices

#86
20180135390
2018-05-17

Method of initiating a percussion initiator

#87
20180120073
2018-05-03

DETONATOR CONTROL SYSTEM

#88
20180112500
2018-04-26

Detonating Cord Retaining Device

#89
20180106583
2018-04-19

REMOTE FIRING SYSTEM FOR NON-ELECTRIC DETONATORS USING ELECTRONIC INITIATORS

#90
20180038670
2018-02-08

Explosive assembly systems including a linear shaped charge end prime cap apparatus and related methods

#91
20180038208
2018-02-08

Initiator head assembly

#92
20170322005
2017-11-09

Detonator

#93
20170314373
2017-11-02

Box by Pin Perforating Gun System and Methods

#94
20170276466
2017-09-28

Electronic detonator leakage current restriction

#95
20170276465
2017-09-28

Perforation gun components and systems

#96
20170268860
2017-09-21

Bulkhead assembly having a pivotable electric contact component and integrated ground apparatus

#97
20170234667
2017-08-17

Auto logging of electronic detonators

#98
20170211363
2017-07-27

Box by pin perforating gun system and methods

#99
20170199015
2017-07-13

Shaped charge retainer system

#100
20170122710
2017-05-04

Explosive assembly systems including a linear shaped charge end prime cap apparatus and related methods

#101
20170074078
2017-03-16

Initiator head assembly

#102
20170059293
2017-03-02

Retention member for perforating guns

#103
20170052011
2017-02-23

Perforation gun components and system

#104
20170008819
2017-01-12

Energy transfer device

#105
20160376879
2016-12-29

Detonator structure and system

#106
20160363428
2016-12-15

Oilfield side initiation block containing booster

#107
20160273902
2016-09-22

Bulkhead assembly having a pivotable electric contact component and integrated ground apparatus

#108
20160258731
2016-09-08

Multi-way tubular channel connector block

#109
20160202033
2016-07-14

Ballistic transfer module

#110
20160131467
2016-05-12

Fuze shock transfer system

#111
20160097623
2016-04-07

Initiator modules, munitions systems including initiator modules, and related methods

#112
20150292850
2015-10-15

DETONATOR OUTPUT INTERRUPTER FOR DOWNHOLE TOOLS

#113
20150211833
2015-07-30

Remote initiator receiver

#114
20150144399
2015-05-28

Device for transferring energy output from one pyrotechnic device to another

#115
20150107476
2015-04-23

Signal transmission tube with inverse initiation retention seal method

#116
20150090144
2015-04-02

Detonator including a sensing arrangement

#117
20150053105
2015-02-26

Shell for explosive

#118
20140366762
2014-12-18

Thermal shock tube and the process of production thereof

#119
20140345486
2014-11-27

Canisters with integral locking means and cast booster explosives comprising the same

#120
20140305327
2014-10-16

Signal tube connector

#121
20140060368
2014-03-06

Simultaneous nonelectric priming assembly and method

#122
20140033939
2014-02-06

Igniter with a multifunctional plug

#123
20130291711
2013-11-07

Explosive device booster assembly and method of use

#124
20130277108
2013-10-24

Energy transfer device

#125
20130231000
2013-09-05

Detonator assembly

#126
20130019770
2013-01-24

DEVICE FOR PERFORATING A MATERIAL COMPRISING A TAIL-LOCKING CHARGE CASE

#127
20130014990
2013-01-17

Novel Device and Methods for Firing Perforating Guns

#128
20120255842
2012-10-11

Downhole perforating gun switch

#129
20120192748
2012-08-02

COUPLING ADAPTER

#130
20120192744
2012-08-02

Remote initiator breaching system

#131
20120111216
2012-05-10

Detonator

#132
20120012019
2012-01-19

Timing module

#133
20110219977
2011-09-15

Initiator modules, munitions systems including initiator modules, and related methods

#134
20110174181
2011-07-21

Remote Explosion Detonation System

#135
20110155012
2011-06-30

Detonator system with high precision delay

#136
20110094745
2011-04-28

Downhole perforation tool

#137
20110036259
2011-02-17

Powder charged rock cracker cartridge

#138
20100326306
2010-12-30

CONNECTOR BLOCK

#139
20100300315
2010-12-02

Multi-Port Transmission Line Connector

#140
20100279056
2010-11-04

AMORPHOUS ALLOY COMPOSITION FOR A MAGNETOMECHANICAL RESONATOR AND EAS MARKER CONTAINING SAME

#141
20100263523
2010-10-21

Retention member for perforating guns

#142
20100251919
2010-10-07

Connector block for shock tubes, and method of securing a detonator therein

#143
20100251917
2010-10-07

Detonator system having linear actuator

#144
20100180786
2010-07-22

Detonator free laser initiated blasting system

#145
20100162912
2010-07-01

Electrical conductive element

#146
20100024674
2010-02-04

Reliable propagation of ignition in perforation systems

#147
20100000789
2010-01-07

Device and methods for firing perforating guns

#148
20090235837
2009-09-24

Demolition charge having multi-primed initiation system

#149
20090223400
2009-09-10

Modular initiator

#150
20090071362
2009-03-19

Demolition charge having multi-primed initiation system

#151
20090025596
2009-01-29

Demolition charge having multi-primed initiation system

#152
20080295725
2008-12-04

THREE-WAY CONNECTOR BLOCK

#153
20080282922
2008-11-20

Detonator system having linear actuator

#154
20080276818
2008-11-13

Shock tube initiator

#155
20080257191
2008-10-23

Direct load, detonator-less connector for shock tubes

#156
20080212256
2008-09-04

Electric firing device for fireworks

#157
20080210425
2008-09-04

Connector for perforating gun tandem

#158
20080210118
2008-09-04

Connector block with shock tube retention means and flexible and resilient closure member

#159
20080073081
2008-03-27

Downhole perforation tool and method of subsurface fracturing

#160
20070266881
2007-11-22

Shock tube initiator

#161
20070249204
2007-10-25

Electrical connector and system

#162
20070234920
2007-10-11

Shock tube tip tester

#163
20070125256
2007-06-07

Electronic firing systems and methods for firing a device

#164
20070113941
2007-05-24

Optically doped energetic igniter charge

#165
20060185505
2006-08-24

Redundant signal transmission system and development method

#166
20060164787
2006-07-27

Fireworks ignition system for 1.4 fireworks

#167
20050229805
2005-10-20

Connector for perforating gun tandem

#168
20050183610
2005-08-25

High pressure exposed detonating cord detonator system

#169
20050178550
2005-08-18

High-pressure explosive retention device

#170
20050066834
2005-03-31

Connector block configured to induce a bend in shock tubes retained therein

#171
20050034625
2005-02-17

Connector block with shock tube retention means and flexible and resilient closure member

#172
20050016409
2005-01-27

Connector block for shock tubes and method of securing a detonator therein

#173
20050016370
2005-01-27

Redundant signal transmission system and deployment means

#174
18984634
2026-05-05

Shock initiation of non-electric shock tube

#175
18164772
2025-02-25

Shock initiation of non-electric shock tube

#176
16937113
2022-03-29

Fast utility access device and method of use thereof

#177
16873856
2022-11-22

Apparatus and methods for disrupting/disabling explosive ordnance

#178
16152933
2019-08-20

Conductive detonating cord for perforating gun

#179
15672040
2018-03-13

Auto logging of electronic detonators

#180
15656871
2018-03-13

Auto logging of electronic detonators

#181
14257689
2017-02-28

Maverick igniter cable saver

#182
13847560
2015-09-15

Tactical capsule charge system