Patents-Review.com
ClassID:

163931 ⎘

F42D1/05 - CPC Classification

Classification description:

Blasting methods or apparatus, e.g. loading or tamping; Arrangements for ignition; Arrangements for electric ignition Electric circuits for blasting

Sub-classes:
Recent Application in this class:
#1
20260103961
2026-04-16

SINGLE OR MULTI-FIRE SEMI-AUTOMATIC PERFORATION SYSTEM AND METHODS OF USE

 #2
20260085919
2026-03-26

METHOD OF COMMUNICATION

 #3
20260036413
2026-02-05

MODULAR BREACHING DEVICE AND KIT

 #4
20250297535
2025-09-25

DETONATOR WITH FUSED HEAD RETENTION FEATURES

 #5
20250271247
2025-08-28

BLASTING SYSTEM

 #6
20250244115
2025-07-31

Detonator For A Perforating Gun Assembly

 #7
20250243733
2025-07-31

DETONATION MODULE

 #8
20250230733
2025-07-17

SELF-SHUNTING DETONATOR FOR WELL PERFORATING GUN

 #9
20250224219
2025-07-10

BLAST DETERMINATION SYSTEM

 #10
20250198262
2025-06-19

REUSABLE PERFORATING GUN SYSTEM AND METHOD

 #11
20250188821
2025-06-12

PERFORATING GUN AND BALLISTIC INTERRUPTER FOR SAME

 #12
20250180341
2025-06-05

NOVEL MAGNETIC-KEY SAFETY INTERLOCK SYSTEM

 #13
20250027392
2025-01-23

Addressable Switch with Initiator Detection and Initiator Resistance Measurement

 #14
20250027391
2025-01-23

Addressable Switch with Initiator Detection and Initiator Resistance Measurement

 #15
20250003317
2025-01-02

DOWNHOLE IGNITION ASSEMBLY

 #16
20240401922
2024-12-05

SYSTEM AND METHOD/PROCESS FOR COMMERCIAL BLASTING

 #17
20240401443
2024-12-05

SINGLE OR MULTI-FIRE SEMI-AUTOMATIC PERFORATION SYSTEM AND METHODS OF USE

 #18
20240393094
2024-11-28

Deployment of a detonator assembly

 #19
20240373734
2024-11-07

INTEGRATED DETONATOR SENSORS

 #20
20240361114
2024-10-31

WIRELESS INITIATING ARRANGEMENT

 #21
20240352833
2024-10-24

Perforating gun and ballistic interrupter for same

 #22
20240310156
2024-09-19

APPARATUS FOR USE IN A WIRELESS DETONATOR SYSTEM

 #23
20240230301
2024-07-11

Device and method thereof for operating stemming rod used for blasting and configured to include information collection function

 #24
20240230300
2024-07-11

Device and method thereof for operating electronic detonator having auxiliary power function

 #25
20240229620
2024-07-11

SYSTEM AND METHOD FOR DEDUPLICATING PERFORATING-GUN INITIATOR-CIRCUIT ADDRESSES

 #26
20240229617
2024-07-11

DETONATION MODULE

 #27
20240167368
2024-05-23

Self-shunting detonator for well perforating gun

 #28
20240133275
2024-04-25

Detonation module

 #29
20240085162
2024-03-14

Detonator For A Perforating Gun Assembly

 #30
20240076967
2024-03-07

Single or multi-fire semi-automatic perforation system and methods of use

 #31
20240076966
2024-03-07

Reusable perforating gun system and method

 #32
20240068334
2024-02-29

INITIATOR ASSEMBLIES FOR PERFORATING GUN SYSTEMS

 #33
20240044230
2024-02-08

Perforating-gun initiator circuit

 #34
20240019234
2024-01-18

Addressable ignition stage for enabling a detonator/ignitor

 #35
20230417525
2023-12-28

Detonator assembly

 #36
20230392481
2023-12-07

Singular/wired fuzing device

 #37
20230374892
2023-11-23

Universal plug and play perforating gun tandem

 #38
20230349272
2023-11-02

Single or multi-fire semi-automatic perforation system and methods of use

 #39
20230340862
2023-10-26

ADDRESSABLE SWITCH ASSEMBLY FOR WELLBORE SYSTEMS AND METHOD

 #40
20230304782
2023-09-28

Electronic ignition circuit

 #41
20230280141
2023-09-07

REMOTE FIRING MODULE AND METHOD THEREOF

 #42
20230266109
2023-08-24

DETONATOR BLACK BOX

 #43
20230250711
2023-08-10

CONTROL MODULE FOR A DETONATION SUB AND A DETONATION SUB

 #44
20230194230
2023-06-22

Safety arrangement for a wireless blasting system

 #45
20230184065
2023-06-15

Downhole ignition assembly

 #46
20230072419
2023-03-09

Integrated detonator sensors

 #47
20230036978
2023-02-02

Wireless electronic detonator comprising a power switch controlled by an optical signal, wireless detonation system and method for activating such a detonator

 #48
20220412195
2022-12-29

Addressable Switch with Initiator Detection and Initiator Resistance Measurement

 #49
20220404130
2022-12-22

CONTROL UNIT FOR INTERFACING WITH A BLASTING PLAN LOGGER

 #50
20220381118
2022-12-01

Universal plug and play perforating gun tandem

 #51
20220357141
2022-11-10

Wireless detonator assembly

 #52
20220349686
2022-11-03

Circuit for controlling the firing of a pyrotechnic component

 #53
20220299304
2022-09-22

Ground-fixable electronic detonation device for blasting system and blasting system using same

 #54
20220298896
2022-09-22

Micro-controller-based switch assembly for wellbore systems and method

 #55
20220268562
2022-08-25

Current feed-through wireline release tool and method

 #56
20220251931
2022-08-11

One-click contact detonator for perforating gun system

 #57
20220235634
2022-07-28

PERFORATING GUN WITH DETONATION MODULE

 #58
20220170727
2022-06-02

Electrical connector

 #59
20220162926
2022-05-26

Addressable switch assembly for wellbore systems and method

 #60
20220136813
2022-05-05

Addressable Ignition Stage for Enabling a Detonator/Ignitor

 #61
20220127937
2022-04-28

Reusable perforating gun system and method

 #62
20220120548
2022-04-21

Bridged bulkheads for perforating gun assembly

 #63
20220099423
2022-03-31

End plate for a perforating gun assembly

 #64
20220090900
2022-03-24

Light sensitive arrangement for a detonator

 #65
20220090898
2022-03-24

Detonator sensing arrangement

 #66
20220082364
2022-03-17

Electronic ignition circuit

 #67
20220045886
2022-02-10

Method For Processing A Stream Of Data In A Receiver Device

 #68
20220018227
2022-01-20

Initiator assemblies for perforating gun systems

 #69
20210396102
2021-12-23

ADDRESSABLE SWITCH ASSEMBLY FOR WELLBORE SYSTEMS AND METHOD

 #70
20210372744
2021-12-02

Detonator having a mechanical shunt

 #71
20210364264
2021-11-25

Electronic detonation device for blasting system and blasting system using same

 #72
20210348891
2021-11-11

Perforation tool and laboratory testing system with an adjustable free interior volume

 #73
20210341265
2021-11-04

RF attenuating switch

 #74
20210333076
2021-10-28

Communication system and detonator

 #75
20210302143
2021-09-30

WIRELESS DETONATING SYSTEM

 #76
20210293518
2021-09-23

Automatic method and apparatus for logging preprogrammed electronic detonators

 #77
20210239444
2021-08-05

Perforating gun system and method

 #78
20210222525
2021-07-22

Universal plug and play perforating gun tandem

 #79
20210218479
2021-07-15

Communication method

 #80
20210207934
2021-07-08

Detonation system having sealed explosive initiation assembly

 #81
20210180434
2021-06-17

Reusable perforating gun system and method

 #82
20210148198
2021-05-20

Contact plunger cartridge assembly

 #83
20210140282
2021-05-13

Contact plunger cartridge assembly

 #84
20210123331
2021-04-29

Micro-controller-based switch assembly for wellbore systems and method

 #85
20210033375
2021-02-04

Pressure bulkhead structure with integrated selective electronic switch circuitry

 #86
20210016734
2021-01-21

Integrated duplex deployment function with safety diagnostics for restraint control module

 #87
20210002988
2021-01-07

Wellbore gun perforating system and method

 #88
20200400417
2020-12-24

Electronic initiation simulator

 #89
20200378222
2020-12-03

Addressable switch assembly for wellbore systems and method

 #90
20200300593
2020-09-24

Detonation system having sealed explosive initiation assembly

 #91
20200256168
2020-08-13

Digital perforation system and method

 #92
20200256166
2020-08-13

Reusable perforating gun system and method

 #93
20200225015
2020-07-16

Remote firing module and method thereof

 #94
20200217635
2020-07-09

Electrical connector

 #95
20200191539
2020-06-18

ELECTRONIC DETONATOR INITIATION

 #96
20200173763
2020-06-04

Automatic method and apparatus for logging preprogrammed electronic detonators

 #97
20200166321
2020-05-28

Electronic ignition circuit

 #98
20200088503
2020-03-19

RFD WITH HISTORY LOG, SECURITY FENCE, AND SEISMIC DETECTION

 #99
20200063537
2020-02-27

Pressure bulkhead

 #100
20200049476
2020-02-13

METHOD OF BLASTING

 #101
20200018584
2020-01-16

Addressable switch assembly for wellbore systems and method

 #102
20200003535
2020-01-02

Method and apparatus for wireless blasting

 #103
20190390536
2019-12-26

Micro-controller-based switch assembly for wellbore systems and method

 #104
20190360315
2019-11-28

Wellbore gun perforating system and method

 #105
20190323810
2019-10-24

Perforating gun system and method

 #106
20190316455
2019-10-17

Utilizing electrically actuated explosives downhole

 #107
20190309608
2019-10-10

Addressable switch assembly for wellbore systems and method

 #108
20190293398
2019-09-26

Pivotable bulkhead assembly for crimp resistance

 #109
20190292887
2019-09-26

Universal initiator and packaging

 #110
20190284915
2019-09-19

Current feed-through wireline release tool and method

 #111
20190225354
2019-07-25

Multipoint payload release system

 #112
20190212118
2019-07-11

Perforating gun system and method

 #113
20190195605
2019-06-27

Detonator

 #114
20190190510
2019-06-20

High-performance current-limited pyrotechnic initiator drive circuits

 #115
20190153827
2019-05-23

Apparatus and Method for Quick Connect of a Plurality of Guns for Well Perforation

 #116
20190086189
2019-03-21

Pressure bulkhead structure with integrated selective electronic switch circuitry

 #117
20190049225
2019-02-14

Pivotable bulkhead assembly for crimp resistance

 #118
20180372466
2018-12-27

Ground apparatus for bulkhead assembly

 #119
20180347324
2018-12-06

Contact plunger cartridge assembly

 #120
20180328702
2018-11-15

Wireless detonator

 #121
20180306565
2018-10-25

Booster comprising a printed electronic circuit

 #122
20180299239
2018-10-18

Pressure bulkhead structure with integrated selective electronic switch circuitry, pressure-isolating enclosure containing such selective electronic switch circuitry, and methods of making such

 #123
20180258723
2018-09-13

String shot back-off tool with pressure-balanced explosives

 #124
20180231360
2018-08-16

Solid-state overvoltage firing switch

 #125
20180224260
2018-08-09

Electronic ignition circuit

 #126
20180195846
2018-07-12

Methods of igniting devices

 #127
20180094511
2018-04-05

Wellbore gun perforating system and method

 #128
20170336460
2017-11-23

Systems and methods for testing arm and fire devices

 #129
20170328696
2017-11-16

Electronic detonator initiation

 #130
20170322005
2017-11-09

Detonator

 #131
20170268860
2017-09-21

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

 #132
20170138164
2017-05-18

System for fracturing an underground geologic formation

 #133
20170089680
2017-03-30

Method and apparatus for wireless blasting with first and second firing messages

 #134
20170082412
2017-03-23

RFD WITH HISTORY LOG, SECURITY FENCE, AND SEISMIC DETECTION

 #135
20170074630
2017-03-16

Apparatus, system and method for blasting using magnetic communication signal

 #136
20170030167
2017-02-02

Wellbore gun perforating system and method

 #137
20170016703
2017-01-19

Detonation control

 #138
20170003108
2017-01-05

Electronic detonator

 #139
20160376879
2016-12-29

Detonator structure and system

 #140
20160349029
2016-12-01

Detonation command and control

 #141
20160333676
2016-11-17

Select fire switch control system and method

 #142
20160273902
2016-09-22

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

 #143
20160245058
2016-08-25

Wellbore gun perforating system and method

 #144
20160245057
2016-08-25

Wellbore gun perforating system and method

 #145
20160245056
2016-08-25

Wellbore gun perforating system and method

 #146
20160245054
2016-08-25

Wellbore gun perforating system and method

 #147
20160218863
2016-07-28

Selective control of groups of detonators

 #148
20160195379
2016-07-07

Detonator identification and timing assignment

 #149
20160187116
2016-06-30

Method and apparatus for logging electronic detonators

 #150
20160123914
2016-05-05

Detonator system confirmation

 #151
20160108720
2016-04-21

Calibration of molded piezoelectric longitudinal charge coefficient of a pressure sensor for blasting operation

 #152
20160033248
2016-02-04

Detonation command and control

 #153
20160033247
2016-02-04

Two wire daisy chain

 #154
20150292849
2015-10-15

High voltage explosive assembly for downhole detonations

 #155
20150260496
2015-09-17

Non-energetics based detonator

 #156
20150260489
2015-09-17

Precision pyrotechnic display system and method having increased safety and timing accuracy

 #157
20150228173
2015-08-13

Blasting system protection

 #158
20150192396
2015-07-09

RFD with history log, security fence, and seismic detection

 #159
20150101503
2015-04-16

MESH NETWORK CONTROLLER

 #160
20150090144
2015-04-02

Detonator including a sensing arrangement

 #161
20150007740
2015-01-08

System for triggering a plurality of electronic detonator assemblies

 #162
20140374084
2014-12-25

System for fracturing an underground geologic formation

 #163
20140373743
2014-12-25

Explosive assembly and method

 #164
20140366761
2014-12-18

Detonation control

 #165
20140352981
2014-12-04

Wellbore servicing tools, systems and methods utilizing downhole wireless switches

 #166
20140338894
2014-11-20

Geologic fracturing method and resulting fractured geologic structure

 #167
20140338552
2014-11-20

Detonation command and control

 #168
20140301011
2014-10-09

Plasma gap detonator with novel initiation scheme

 #169
20140158010
2014-06-12

REMOTE FIRING DEVICE WITH DIVERSE INITIATORS

 #170
20140053750
2014-02-27

Wireless detonators with state sensing, and their use

 #171
20130319276
2013-12-05

Detonation of explosives

 #172
20130301182
2013-11-14

Integrating impact switch

 #173
20130255521
2013-10-03

Detonation of explosives

 #174
20130255520
2013-10-03

Detonation of explosives

 #175
20130239834
2013-09-19

Igniter base for pyrotechnic devices

 #176
20130220613
2013-08-29

Transient control of wellbore pressure

 #177
20130180422
2013-07-18

Blasting arrangement

 #178
20130125772
2013-05-23

Non-energetics based detonator

 #179
20130104764
2013-05-02

EXPLOSIVE PRESSURE ACTIVATED SWITCH

 #180
20130098257
2013-04-25

METHOD OF BLASTING

 #181
20130069602
2013-03-21

Squib control circuit

 #182
20130042780
2013-02-21

High voltage explosive assembly for downhole detonations

 #183
20130036931
2013-02-14

Two wire daisy chain

 #184
20120325463
2012-12-27

Device for intervention in a well comprising a pyrotechnic system, installation and method associated therewith

 #185
20120299708
2012-11-29

System for programming and lighting electronic detonators and associated method

 #186
20120255842
2012-10-11

Downhole perforating gun switch

 #187
20120211336
2012-08-23

Integrating impact switch

 #188
20120199352
2012-08-09

Connection cartridge for downhole string

 #189
20120158322
2012-06-21

Automatic Stein Hall Viscosity Cup

 #190
20120137915
2012-06-07

Precision pyrotechnic display system and method having increased safety and timing accuracy

 #191
20120137914
2012-06-07

Methods and systems for defining addresses for pyrotechnic devices networked in an electronic ordnance system

 #192
20120042800
2012-02-23

SELECTIVE CONTROL OF WIRELESS INITIATION DEVICES AT A BLAST SITE

 #193
20120037027
2012-02-16

Networked electronic ordnance system

 #194
20120012019
2012-01-19

Timing module

 #195
20110271823
2011-11-10

Electronic selector switch for perforation

 #196
20110219977
2011-09-15

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

 #197
20110174181
2011-07-21

Remote Explosion Detonation System

 #198
20110155012
2011-06-30

Detonator system with high precision delay

 #199
20110067591
2011-03-24

Security enhanced blasting apparatus, and method of blasting

 #200
20110056400
2011-03-10

Detonation control system

 #201
20110036259
2011-02-17

Powder charged rock cracker cartridge

 #202
20110011293
2011-01-20

NETWORKED ELECTRONIC ORDNANCE SYSTEM

 #203
20100328838
2010-12-30

ELECTRONIC BLASTING SYSTEM

 #204
20100242771
2010-09-30

Precision pyrotechnic display system and method having increased safety and timing accuracy

 #205
20100229749
2010-09-16

Nano-based devices for use in a wellbore

 #206
20100212527
2010-08-26

Selective control of wireless initiation devices at a blast site

 #207
20100175574
2010-07-15

NETWORKED ELECTRONIC ORDNANCE SYSTEM

 #208
20100083859
2010-04-08

Precision pyrotechnic display system and method having increased safety and timing accuracy

 #209
20100005994
2010-01-14

Remote firing device with diverse initiators

 #210
20090314176
2009-12-24

Apparatus and method for blasting

 #211
20090314175
2009-12-24

Networked electronic ordnance system

 #212
20090301333
2009-12-10

Electronic blasting system having a pre-fire countdown with multiple fire commands

 #213
20090301332
2009-12-10

Method for detecting an unknown or unmarked slave device such as in an electronic blasting system

 #214
20090293751
2009-12-03

POWER MANAGEMENT OF BLASTING LEAD-IN SYSTEM

 #215
20090283005
2009-11-19

Method for logging a plurality of slave devices

 #216
20090283004
2009-11-19

Constant-current, rail-voltage regulated charging electronic detonator

 #217
20090168606
2009-07-02

Interactive and/or secure activation of a tool

 #218
20090145321
2009-06-11

SYSTEM AND METHOD FOR ZERO LATENCY DISTRIBUTED PROCESSING OF TIMED PYROTECHNIC EVENTS

 #219
20080245251
2008-10-09

Power Management Of Blasting Lead-In System

 #220
20080156217
2008-07-03

Wireless electronic booster, and methods of blasting

 #221
20080047456
2008-02-28

Wireless perforating gun

 #222
20080041261
2008-02-21

Data communication in electronic blasting systems

 #223
20070295237
2007-12-27

Precision pyrotechnic display system and method having increased safety and timing accuracy

 #224
20070159766
2007-07-12

Electronic blasting system

 #225
20070125530
2007-06-07

Interactive and/or secure activation of a tool

 #226
20070125256
2007-06-07

Electronic firing systems and methods for firing a device

 #227
20070095237
2007-05-03

Method for providing a delay time

 #228
20060272536
2006-12-07

Apparatus and method for blasting

 #229
20060266246
2006-11-30

Dynamic baselining in current modulation-based communication

 #230
20060262480
2006-11-23

Security enhanced blasting apparatus, and method of blasting

 #231
20060219122
2006-10-05

Dynamic baselining in current modulation-based communication

 #232
20060130693
2006-06-22

Multiple slave logging device

 #233
20060086277
2006-04-27

Precision pyrotechnic display system and method having increased safety and timing accuracy

 #234
20060060102
2006-03-23

Ordinance firing system for land vehicle

 #235
20060055412
2006-03-16

Device for triggering ignition circuits

 #236
20060042495
2006-03-02

System and method for zero latency distributed processing of timed pyrotechnic events

 #237
20060027121
2006-02-09

Blasting system and method of controlling a blasting operation

 #238
20060027119
2006-02-09

Precision pyrotechnic display system and method having increased safety and timing accuracy

 #239
20060011082
2006-01-19

Remote firing system

 #240
20050279238
2005-12-22

Current modulation-based communication for slave device

 #241
20050252403
2005-11-17

Electronic switching system for a detonation device, method of operation and explosive device including the same

 #242
20050247109
2005-11-10

System and method for monitoring features of a blast

 #243
20050183608
2005-08-25

Flexible detonator system

 #244
20050155509
2005-07-21

Squib

 #245
20050115433
2005-06-02

Safe electronic pyro trigger

 #246
20050045331
2005-03-03

Secure activation of a downhole device

 #247
20050034623
2005-02-17

Current modulation-based communication from slave device

 #248
20050016407
2005-01-27

Installation for programmable pyrotechnic shot firing

 #249
20050015473
2005-01-20

Dynamically-and continuously-variable rate, asynchronous data transfer

 #250
20050011389
2005-01-20

Dynamic baselining in current modulation-based communication

 #251
20050000382
2005-01-06

Access control for electronic blasting machines

 #252
17571685
2024-02-27

Multi-level networked ordnance system

 #253
16602843
2024-03-12

Firing switch for compact capacitive discharge unit

 #254
16400912
2022-01-11

Multi-level networked ordnance system

 #255
15805066
2019-06-04

Multi-level networked ordnance system

 #256
15678638
2019-11-05

Multi-dimensional cable shorting tool

 #257
15672040
2018-03-13

Auto logging of electronic detonators

 #258
15656871
2018-03-13

Auto logging of electronic detonators

 #259
15499439
2018-03-13

Electronic ignition circuit and method for use

 #260
15424721
2017-11-07

Multi-level networked ordnance system

 #261
14756649
2018-03-20

Primerless digital time-delay initiator system

 #262
14627872
2015-11-24

Wellbore gun perforating system and method

 #263
14010157
2014-12-30

Detonator comprising a nonlinear transmission line

 #264
13418814
2016-11-01

Methods and apparatus for non-contact inspection of containers using multiple sensors

 #265
13072079
2016-02-02

Squib initiation sequencer