ClassID:

163925

F42D1/02 - CPC Classification

Classification description:

Blasting methods or apparatus, e.g. loading or tamping Arranging blasting cartridges to form an assembly

Recent Application in this class:
#1
20250264310
2025-08-21

PERFORATING JET SHAPING SYSTEMS AND METHODS

#2
20240392662
2024-11-28

PERFORATING GUN ORIENTATION SYSTEM

#3
20240361114
2024-10-31

WIRELESS INITIATING ARRANGEMENT

#4
20240361108
2024-10-31

TRIGGERING EXPLOSIVES IN HOLES

#5
20240247923
2024-07-25

SHAPED CHARGE INTEGRATED CANISTER

#6
20240118065
2024-04-11

MODULAR RAPID DEPLOYMENT CHARGES

#7
20230235999
2023-07-27

Blasting system

#8
20230184066
2023-06-15

Energy-absorbing impact sleeve for perforating gun

#9
20230060155
2023-03-02

Shaped charge assembly, explosive units, and methods for selectively expanding wall of a tubular

#10
20220372851
2022-11-24

Perforating gun orientation system

#11
20220372849
2022-11-24

Box by pin perforating gun system

#12
20220290960
2022-09-15

Shaped charge integrated canister

#13
20220282958
2022-09-08

Triggering explosives in holes

#14
20220154559
2022-05-19

Sympathetically detonated self-centering explosive device

#15
20220120548
2022-04-21

Bridged bulkheads for perforating gun assembly

#16
20220120547
2022-04-21

Bulkhead for a perforating gun assembly

#17
20210317728
2021-10-14

Perforating gun assembly and wellbore tool string with tandem seal adapter

#18
20210238966
2021-08-05

Single charge perforation gun and system

#19
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

#20
20210131236
2021-05-06

Shaped charge with ring shaped jet

#21
20210102434
2021-04-08

Shaped charge assembly, explosive units, and methods for selectively expanding wall of a tubular

#22
20210055092
2021-02-25

Detonation system having sealed explosive initiation assembly

#23
20210032963
2021-02-04

Perforating gun

#24
20200399995
2020-12-24

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

#25
20200378737
2020-12-03

Exposed ballistic transfer with encapsulated receiver booster

#26
20200378736
2020-12-03

Wall Breaching Charge

#27
20200263968
2020-08-20

High shot density charge holder for perforating gun

#28
20200224518
2020-07-16

PERFORATING GUN

#29
20200199983
2020-06-25

Perforating gun system with electrical connection assemblies

#30
20200032626
2020-01-30

Perforation gun components and system

#31
20190219375
2019-07-18

Perforation gun components and system

#32
20190195054
2019-06-27

Box by pin perforating gun system

#33
20190093820
2019-03-28

Mounting device for an explosive charge

#34
20180202790
2018-07-19

Perforation gun components and system

#35
20180202789
2018-07-19

PERFORATION GUN COMPONENTS AND SYSTEM

#36
20180179865
2018-06-28

Outer tube for a perforating gun

#37
20180073845
2018-03-15

System and method for underground blasting

#38
20170276465
2017-09-28

Perforation gun components and systems

#39
20170198560
2017-07-13

Multi-phasic explosive fracturing system

#40
20170184379
2017-06-29

Containers for explosives and positioning apparatuses for the same

#41
20170138164
2017-05-18

System for fracturing an underground geologic formation

#42
20170052011
2017-02-23

Perforation gun components and system

#43
20170037712
2017-02-09

Method to control energy inside a perforation gun using an endothermic reaction

#44
20170028437
2017-02-02

Selective annealing process for perforation guns

#45
20170016703
2017-01-19

Detonation control

#46
20170016297
2017-01-19

Downhole severing tools employing a two-stage energizing material and methods for use thereof

#47
20160349029
2016-12-01

Detonation command and control

#48
20160333676
2016-11-17

Select fire switch control system and method

#49
20160273901
2016-09-22

Explosive matrix assembly

#50
20160187115
2016-06-30

Explosive matrix assembly

#51
20160131468
2016-05-12

Explosive matrix assembly

#52
20160116265
2016-04-28

Explosive matrix assembly

#53
20160116264
2016-04-28

Explosive matrix assembly

#54
20160097622
2016-04-07

Explosive matrix assembly

#55
20160033248
2016-02-04

Detonation command and control

#56
20150226057
2015-08-13

Wireless communication for downhole tool strings

#57
20150159986
2015-06-11

Detonator roll call

#58
20140374084
2014-12-25

System for fracturing an underground geologic formation

#59
20140373743
2014-12-25

Explosive assembly and method

#60
20140366761
2014-12-18

Detonation control

#61
20140338894
2014-11-20

Geologic fracturing method and resulting fractured geologic structure

#62
20140338552
2014-11-20

Detonation command and control

#63
20130291711
2013-11-07

Explosive device booster assembly and method of use

#64
20130147253
2013-06-13

Use of post-blast markers in the mining of mineral deposits

#65
20130145950
2013-06-13

Surface blasting product

#66
20120042800
2012-02-23

SELECTIVE CONTROL OF WIRELESS INITIATION DEVICES AT A BLAST SITE

#67
20110094745
2011-04-28

Downhole perforation tool

#68
20100225155
2010-09-09

Use of post-blast markers in the mining of mineral deposits

#69
20100212527
2010-08-26

Selective control of wireless initiation devices at a blast site

#70
20100089270
2010-04-15

Rock-blasting cartridge and blasting method

#71
20090090263
2009-04-09

Method for use in a wellbore

#72
20080073081
2008-03-27

Downhole perforation tool and method of subsurface fracturing

#73
20070234921
2007-10-11

Heat insulating container for a detonator

#74
20070193467
2007-08-23

Explosive cartridge

#75
20070051234
2007-03-08

Modular breaching apparatus

#76
20060164787
2006-07-27

Fireworks ignition system for 1.4 fireworks

#77
17337927
2024-01-23

Demolition container