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by injecting into the borehole a liquid, either initially at high pressure or subsequently subjected to high pressure
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CPC
E21C37/12
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Parent Industries
E
FIXED CONSTRUCTIONS
E21
Mining
E21C
MINING OR QUARRYING
E21C37/00
Other methods or devices for dislodging with or without loading
Current Industry
E21C37/12
by injecting into the borehole a liquid, either initially at high pressure or subsequently subjected to high pressure
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Patents Grants
last 30 patents
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Patent Grant
Transport of explosives
Patent number
12,025,421
Issue date
Jul 2, 2024
AECI Mining Limited
Ellina Kharatyan
F42 - AMMUNITION BLASTING
Information
Patent Grant
Coal bump control method for sectional hydraulic fracturing regions...
Patent number
11,976,557
Issue date
May 7, 2024
University of Science and Technology Beijing
Sitao Zhu
E21 - EARTH DRILLING MINING
Information
Patent Grant
Water jet mining system and method
Patent number
11,008,846
Issue date
May 18, 2021
Islander, LLC
Colin B. Kinley
E21 - EARTH DRILLING MINING
Information
Patent Grant
Borehole sealing and improved foam properties for controlled foam i...
Patent number
10,895,152
Issue date
Jan 19, 2021
CFI Technologies, LLC
Chapman Young
E21 - EARTH DRILLING MINING
Information
Patent Grant
Drill-power-based directional hydraulic fracturing system for downh...
Patent number
10,774,591
Issue date
Sep 15, 2020
Shandong University of Science and Technology
Gang Wang
E21 - EARTH DRILLING MINING
Information
Patent Grant
Robot automated mining
Patent number
10,724,371
Issue date
Jul 28, 2020
ABB Schweiz AG
Jianjun Wang
F42 - AMMUNITION BLASTING
Information
Patent Grant
Robot automated mining
Patent number
10,570,736
Issue date
Feb 25, 2020
ABB Schweiz AG
Jianjun Wang
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Grant
Robot automated mining
Patent number
10,378,353
Issue date
Aug 13, 2019
ABB Schweiz AG
Jianjun Wang
F42 - AMMUNITION BLASTING
Information
Patent Grant
Surface access borehole resource extraction method
Patent number
10,267,147
Issue date
Apr 23, 2019
AREVA Resources Canada Inc.
Daylan Healy
E21 - EARTH DRILLING MINING
Information
Patent Grant
Low-frequency pulsing sonic and hydraulic mining method
Patent number
9,995,127
Issue date
Jun 12, 2018
Geodrilling Technologies, Inc.
Gilbert Alan Hice
E21 - EARTH DRILLING MINING
Information
Patent Grant
Low-frequency pulsing sonic and hydraulic mining system
Patent number
9,995,126
Issue date
Jun 12, 2018
Geodrilling Technologies, Inc.
Gilbert Alan Hice
E21 - EARTH DRILLING MINING
Information
Patent Grant
Tool and method for initiating hydraulic fracturing
Patent number
9,243,495
Issue date
Jan 26, 2016
Commonwealth Scientific and Industrial Research Organisation
Robert Graham Jeffrey
E21 - EARTH DRILLING MINING
Information
Patent Grant
Rock breaking product
Patent number
9,062,953
Issue date
Jun 23, 2015
Sandvik Mining and Construction RSA (PTY) Ltd.
Jarmo Uolevi Leppanen
F42 - AMMUNITION BLASTING
Information
Patent Grant
Rock drill and method of breaking rock
Patent number
7,942,481
Issue date
May 17, 2011
Sandvik Mining and Construction Oy
Jarmo Leppänen
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and apparatus for penetrating hard materials using a energet...
Patent number
6,591,731
Issue date
Jul 15, 2003
Apti, Inc.
Yeshayahu S Goldstein
E21 - EARTH DRILLING MINING
Information
Patent Grant
Blasting apparatus
Patent number
6,408,761
Issue date
Jun 25, 2002
Hitachi Zosen Corporation
Hiroaki Arai
F42 - AMMUNITION BLASTING
Information
Patent Grant
Method and apparatus for penetrating hard materials
Patent number
6,405,628
Issue date
Jun 18, 2002
Apti, Inc.
Yeshayahu S Goldstein
E21 - EARTH DRILLING MINING
Information
Patent Grant
Controlled foam injection method and means for fragmentation of har...
Patent number
6,375,271
Issue date
Apr 23, 2002
Chapman Young
E21 - EARTH DRILLING MINING
Information
Patent Grant
Slide assembly having retractable gas-generator apparatus
Patent number
6,347,837
Issue date
Feb 19, 2002
BeckTek Limited
John D. Watson
F42 - AMMUNITION BLASTING
Information
Patent Grant
Small charge blasting apparatus including device for sealing pressu...
Patent number
6,339,992
Issue date
Jan 22, 2002
RockTek Limited
John D. Watson
F42 - AMMUNITION BLASTING
Information
Patent Grant
Method for removing hard rock and concrete by the combination use o...
Patent number
6,145,933
Issue date
Nov 14, 2000
RockTek Limited
John David Watson
E21 - EARTH DRILLING MINING
Information
Patent Grant
Hydraulic fracturing of ore bodies
Patent number
6,123,394
Issue date
Sep 26, 2000
Commonwealth Scientific and Industrial Research Organisation
Robert Graham Jeffrey
E21 - EARTH DRILLING MINING
Information
Patent Grant
Controlled foam injection method and means for fragmentation of har...
Patent number
6,102,484
Issue date
Aug 15, 2000
Applied Geodynamics, Inc.
Chapman Young
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method for controlled fragmentation of hard rock and concrete by th...
Patent number
5,803,550
Issue date
Sep 8, 1998
Bolinas Technologies, Inc.
John David Watson
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method apparatus and cartridge for non-explosive rock fragmentation
Patent number
5,803,551
Issue date
Sep 8, 1998
First National Corporation
Donald E. McCarthy
E21 - EARTH DRILLING MINING
Information
Patent Grant
Breaking up of rock and the like
Patent number
5,789,694
Issue date
Aug 4, 1998
Denel (Proprietary) Limited
Johann Mey
F42 - AMMUNITION BLASTING
Information
Patent Grant
Cartridge for generating high-pressure gases in a drill hole
Patent number
5,765,923
Issue date
Jun 16, 1998
Sunburst Excavation, Inc.
John David Watson
F42 - AMMUNITION BLASTING
Information
Patent Grant
Breaking up of rock and the like
Patent number
5,670,737
Issue date
Sep 23, 1997
Denel (Proprietary) Limited
Johann Mey
F42 - AMMUNITION BLASTING
Information
Patent Grant
Method apparatus and cartridge for non-explosive rock fragmentation
Patent number
5,611,605
Issue date
Mar 18, 1997
Donald E. McCarthy
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method of removing a minable product from an underground seam and b...
Patent number
5,531,507
Issue date
Jul 2, 1996
Daryl L. Jackson
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
HYDRAULIC FRACTURING A ROCK MASS
Publication number
20230332501
Publication date
Oct 19, 2023
NEWCREST MINING LIMITED
Gabriel Jose AMORER
E21 - EARTH DRILLING MINING
Information
Patent Application
COAL BUMP CONTROL METHOD FOR SECTIONAL HYDRAULIC FRACTURING REGIONS...
Publication number
20230160305
Publication date
May 25, 2023
UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJING
Sitao ZHU
E21 - EARTH DRILLING MINING
Information
Patent Application
TRANSPORT OF EXPLOSIVES
Publication number
20230152073
Publication date
May 18, 2023
AECI MINING LIMITED
Ellina KHARATYAN
E21 - EARTH DRILLING MINING
Information
Patent Application
DRILL-POWER-BASED DIRECTIONAL HYDRAULIC FRACTURING SYSTEM FOR DOWNH...
Publication number
20200080382
Publication date
Mar 12, 2020
Shandong University of Science and Technology
Gang WANG
E21 - EARTH DRILLING MINING
Information
Patent Application
METHOD FOR OVER-PIT AND UNDER-PIT COOPERATIVE CONTROL OF ROOFS OF F...
Publication number
20180080320
Publication date
Mar 22, 2018
Datong Coal Mine Group Co., Ltd
Bin Yu
E21 - EARTH DRILLING MINING
Information
Patent Application
ROBOT AUTOMATED MINING
Publication number
20170356292
Publication date
Dec 14, 2017
ABB TECHNOLOGY AG
Jianjun WANG
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Application
WATER JET MINING SYSTEM AND METHOD
Publication number
20170089199
Publication date
Mar 30, 2017
Islander, LLC
Colin B. Kinley
E21 - EARTH DRILLING MINING
Information
Patent Application
SURFACE ACCESS BOREHOLE RESOURCE EXTRACTION METHOD
Publication number
20160326871
Publication date
Nov 10, 2016
AREVA Resources Canada Inc.
Daylan Healy
E21 - EARTH DRILLING MINING
Information
Patent Application
HORIZONTALLY ROTATABLE MULTI-KNUCKLE BOOM
Publication number
20140103698
Publication date
Apr 17, 2014
Bo FENG
E21 - EARTH DRILLING MINING
Information
Patent Application
Rock Breaking Product
Publication number
20130199393
Publication date
Aug 8, 2013
Sandvik Mining and Construction RSA (PTY) LTD
Jarmo Uolevi Leppanen
F42 - AMMUNITION BLASTING
Information
Patent Application
HYDRAULIC FRACTURING
Publication number
20130140872
Publication date
Jun 6, 2013
COMMONWEALTH SCIENTIFIC AND INDUSTRIAL RESEARCH ORGANISATION
Robert Graham Jeffrey
E21 - EARTH DRILLING MINING
Information
Patent Application
Gas Generator For Splitting And Destructing Materials, Ignition Uni...
Publication number
20110198913
Publication date
Aug 18, 2011
Milana Kirsanova Thornqvist
F42 - AMMUNITION BLASTING
Information
Patent Application
Rock Drill and Method of Breaking Rock
Publication number
20080236433
Publication date
Oct 2, 2008
Jarmo Leppanen
E21 - EARTH DRILLING MINING
Information
Patent Application
Method and apparatus for penetrating hard materials
Publication number
20020112600
Publication date
Aug 22, 2002
APTI, Inc.
Yeshayahu S. Goldstein
E21 - EARTH DRILLING MINING