ClassID:

163933

F42D1/06 - CPC Classification

Classification description:

Blasting methods or apparatus, e.g. loading or tamping; Arrangements for ignition Relative timing of multiple charges

Recent Application in this class:
#1
20240230301
2024-07-11

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

#2
20230304888
2023-09-28

Method for reducing blasting vibration of tunneling

#3
20210002988
2021-01-07

Wellbore gun perforating system and method

#4
20200166320
2020-05-28

Hydraulic time delay actuated by the energetic output of a perforating gun

#5
20190360315
2019-11-28

Wellbore gun perforating system and method

#6
20190271219
2019-09-05

METHODS FOR THE ENHANCEMENT AND STIMULATION OF OIL AND GAS PRODUCTION IN SHALES

#7
20190048693
2019-02-14

Detonation transfer system

#8
20180106583
2018-04-19

REMOTE FIRING SYSTEM FOR NON-ELECTRIC DETONATORS USING ELECTRONIC INITIATORS

#9
20180094511
2018-04-05

Wellbore gun perforating system and method

#10
20170204713
2017-07-20

Method for the enhancement and stimulation of oil and gas production in shales

#11
20170030167
2017-02-02

Wellbore gun perforating system and method

#12
20160245058
2016-08-25

Wellbore gun perforating system and method

#13
20160245057
2016-08-25

Wellbore gun perforating system and method

#14
20160245056
2016-08-25

Wellbore gun perforating system and method

#15
20160245054
2016-08-25

Wellbore gun perforating system and method

#16
20150241191
2015-08-27

Rock blasting method and system for adjusting a blasting plan in real time

#17
20150007740
2015-01-08

System for triggering a plurality of electronic detonator assemblies

#18
20120210897
2012-08-23

PLUG-N-LIGHT MUSICAL FIREWORK APPARATUS

#19
20110155012
2011-06-30

Detonator system with high precision delay

#20
20100132946
2010-06-03

Method for the Enhancement of Injection Activities and Stimulation of Oil and Gas Production

#21
20090283005
2009-11-19

Method for logging a plurality of slave devices

#22
20080245255
2008-10-09

Modular time delay for actuating wellbore devices and methods for using same

#23
20060266246
2006-11-30

Dynamic baselining in current modulation-based communication

#24
20060219122
2006-10-05

Dynamic baselining in current modulation-based communication

#25
20060150856
2006-07-13

Pyrotechnic device with ignition delay

#26
20060130693
2006-06-22

Multiple slave logging device

#27
20050257710
2005-11-24

Timed pyric chain apparatus, in particular for the ignition of pyrotechnical fireworks

#28
20050011389
2005-01-20

Dynamic baselining in current modulation-based communication

#29
14627872
2015-11-24

Wellbore gun perforating system and method