using explosives charges

Industry

CPC
E21D21/002

This industry / category may be too specific. Please go to a parent level for more data

Parent Industries

EFIXED CONSTRUCTIONS E21Mining E21DSHAFTS TUNNELS GALLERIES LARGE UNDERGROUND CHAMBERS E21D21/00Anchoring-bolts for roof, floor in galleries or longwall working , or shaft-lining protection

Current Industry

E21D21/002using explosives charges

Industries

Patents Grantslast 30 patents

Information Patent Grant
Deformed hollow rock bolt
- Patent number 12,140,031
- Issue date Nov 12, 2024
- INNOVATIVE MINING PRODUCTS (PTY) LTD
- Brendan Robert Crompton
- E21 - EARTH DRILLING MINING
Information Patent Grant
Adhesively anchored rock bolt assembly
- Patent number 12,134,969
- Issue date Nov 5, 2024
- INNOVATIVE MINING PRODUCTS (PTY) LTD
- Paolo Ettore Pastorino
- E21 - EARTH DRILLING MINING
Information Patent Grant
Safety plug
- Patent number 12,104,450
- Issue date Oct 1, 2024
- Rattlejack Innovations Pty Ltd
- Leigh Maurice Sutton
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rock bolt with information display region
- Patent number 11,933,175
- Issue date Mar 19, 2024
- Sandvik Mining and Construction Tools AB
- Mieczyslaw Rataj
- E21 - EARTH DRILLING MINING
Information Patent Grant
Bolt apparatus
- Patent number 11,614,115
- Issue date Mar 28, 2023
- Jeff Paul Verrall
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method of ensuring controlled failure of rock bolt bar
- Patent number 11,486,250
- Issue date Nov 1, 2022
- EPIROC DRILLING TOOLS AB
- Rual Abreu
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rock bolt with information display region
- Patent number 11,428,102
- Issue date Aug 30, 2022
- Sandvik Mining and Construction Australia (Production/Supply) Pty Ltd
- Mieczyslaw Rataj
- E21 - EARTH DRILLING MINING
Information Patent Grant
System and method for supporting sidewalls or ribs in coal mines
- Patent number 11,408,284
- Issue date Aug 9, 2022
- Square Cut Systems, LLC
- Frank M. Locotos
- E21 - EARTH DRILLING MINING
Information Patent Grant
Umbrella-shaped anchor for quick reinforcement of rock mass, and ap...
- Patent number 11,293,284
- Issue date Apr 5, 2022
- Yonghui Cheng
- E21 - EARTH DRILLING MINING
Information Patent Grant
Mine bolt bending system
- Patent number 11,213,873
- Issue date Jan 4, 2022
- FCI Holdings Delaware, Inc.
- John C. Stankus
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
System and method for supporting sidewalls or ribs in coal mines
- Patent number 11,105,199
- Issue date Aug 31, 2021
- Square Cut Systems, LLC
- Frank M. Locotos
- E21 - EARTH DRILLING MINING
Information Patent Grant
Integrated drill chuck
- Patent number 11,090,733
- Issue date Aug 17, 2021
- Royal Hydraulics Service and Manufacturing Company, Inc.
- George Morrell
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Rock bolt with meshing adapter
- Patent number 11,028,692
- Issue date Jun 8, 2021
- Sandvik Intellectual Property AB
- Mieczyslaw Rataj
- E21 - EARTH DRILLING MINING
Information Patent Grant
Corrosion resistant yieldable bolt
- Patent number 10,941,657
- Issue date Mar 9, 2021
- FCI Holdings Delaware, Inc.
- Lumin Ma
- E21 - EARTH DRILLING MINING
Information Patent Grant
Adapted rock bolt with improved installation properties
- Patent number 10,858,937
- Issue date Dec 8, 2020
- EPIROC DRILLING TOOLS AB
- Brendan Robert Crompton
- E21 - EARTH DRILLING MINING
Information Patent Grant
Resin anchored rock bolt with a piercing end
- Patent number 10,815,780
- Issue date Oct 27, 2020
- EPIROC DRILLING TOOLS AB
- Brendan Robert Crompton
- E21 - EARTH DRILLING MINING
Information Patent Grant
Umbrella anchorage
- Patent number 10,801,175
- Issue date Oct 13, 2020
- ANADOLU UNIVERSITESI REKTORLUGU
- Burak Evirgen
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Self-drilling differential grouting combined bolt and anchoring met...
- Patent number 10,794,183
- Issue date Oct 6, 2020
- China University of Mining and Technology
- Guoan Xu
- E21 - EARTH DRILLING MINING
Information Patent Grant
Recyclable sand-consolidated anchor head prestressed anchor, anchor...
- Patent number 10,794,184
- Issue date Oct 6, 2020
- Institute of Rock and Soil Mechanics, Chinese Academy of Sciences
- Guanhua Sun
- E21 - EARTH DRILLING MINING
Information Patent Grant
Extensible reaming self-anchoring anchor rod and supporting method...
- Patent number 10,767,480
- Issue date Sep 8, 2020
- China University of Mining and Technology
- Nong Zhang
- E21 - EARTH DRILLING MINING
Information Patent Grant
Ground anchor of which stress can be self-diagnosed, and constructi...
- Patent number 10,508,402
- Issue date Dec 17, 2019
- SOILTECH Korea Co., Ltd.
- Ji-Ho Kim
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Anchoring method utilizing self-drilling and self-anchoring extenda...
- Patent number 10,487,654
- Issue date Nov 26, 2019
- CHINA UNIVERSITY OF MINING AND TECHNOLOGY
- Nong Zhang
- E21 - EARTH DRILLING MINING
Information Patent Grant
Oval bar
- Patent number 10,480,320
- Issue date Nov 19, 2019
- MINOVA INTERNATIONAL LIMITED
- Anand Bhagwat
- E21 - EARTH DRILLING MINING
Information Patent Grant
Grout delivery system
- Patent number 10,344,593
- Issue date Jul 9, 2019
- NCM INNOVATIONS (PTY) LTD
- Paolo Ettore Pastorino
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rock anchor foundation structure suitable for mountain photovoltaic...
- Patent number 10,253,473
- Issue date Apr 9, 2019
- PowerChina Huadong Engieering Corporation Limited
- Miaojun Sun
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Method and system of coal mine roof stabilization
- Patent number 10,202,848
- Issue date Feb 12, 2019
- REI, Inc.
- Daniel J. Brunner
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method of supporting a rock wall
- Patent number 9,982,537
- Issue date May 29, 2018
- NCM INNOVATIONS (PTY) LTD
- Martin Cawood
- E21 - EARTH DRILLING MINING
Information Patent Grant
Strand, cable bolt and its installation
- Patent number 9,909,419
- Issue date Mar 6, 2018
- N.V. Bekaert S.A.
- Stijn Defossez
- E21 - EARTH DRILLING MINING
Information Patent Grant
Anchor, especially a rock anchor
- Patent number 9,664,042
- Issue date May 30, 2017
- Hilti Aktiengesellschaft
- Frank Schmidt
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rock anchoring system and method
- Patent number 9,534,495
- Issue date Jan 3, 2017
- Jurie Pretorius Smit
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
ACTIVE CONTROL METHOD AND DEVICE FOR LARGE DEFORMATION OF DEEP THIN...
- Publication number 20240141786
- Publication date May 2, 2024
- HUANENG LANCANG RIVER HYDROPOWER INC.
- Hua Zhou
- E21 - EARTH DRILLING MINING
Information Patent Application
A Safety Plug
- Publication number 20230265738
- Publication date Aug 24, 2023
- Rattlejack Innovations Pty Ltd
- Leigh Maurice Sutton
- E21 - EARTH DRILLING MINING
Information Patent Application
ADHESIVELY ANCHORED ROCK BOLT ASSEMBLY
- Publication number 20230070897
- Publication date Mar 9, 2023
- INNOVATIVE MINING PRODUCTS (PTY) LTD
- Paolo Ettore PASTORINO
- E21 - EARTH DRILLING MINING
Information Patent Application
DEFORMED HOLLOW ROCK BOLT
- Publication number 20230009400
- Publication date Jan 12, 2023
- INNOVATIVE MINING PRODUCTS (PTY) LTD
- Brendan Robert CROMPTON
- E21 - EARTH DRILLING MINING
Information Patent Application
ROCK BOLT WITH INFORMATION DISPLAY REGION
- Publication number 20220356804
- Publication date Nov 10, 2022
- SANDVIK MINING AND CONSTRUCTION AUSTRALIA (PRODUCTION/SUPPLY) PTY LTD
- Mieczyslaw RATAJ
- E21 - EARTH DRILLING MINING
Information Patent Application
NPR ANCHOR ROD
- Publication number 20220228487
- Publication date Jul 21, 2022
- Manchao HE
- E21 - EARTH DRILLING MINING
Information Patent Application
IMPROVED BOLT APPARATUS
- Publication number 20210404501
- Publication date Dec 30, 2021
- Jeff Paul Verrall
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
RESIN-GROUTED ROCK BOLT ASSEMBLY WITH AN ADAPTED SEALING BUSH
- Publication number 20210381375
- Publication date Dec 9, 2021
- INNOVATIVE MINING PRODUCTS (PTY) LTD
- Brendan Robert CROMPTON
- E21 - EARTH DRILLING MINING
Information Patent Application
System and method for supporting sidewalls or ribs in coal mines
- Publication number 20210381376
- Publication date Dec 9, 2021
- Square Cut Systems, LLC
- Frank M. Locotos
- E21 - EARTH DRILLING MINING
Information Patent Application
METHOD OF ENSURING CONTROLLED FAILURE OF ROCK BOLT BAR
- Publication number 20210270133
- Publication date Sep 2, 2021
- EPIROC DRILLING TOOLS AB
- Rual ABREU
- E21 - EARTH DRILLING MINING
Information Patent Application
UMBRELLA-SHAPED ANCHOR FOR QUICK REINFORCEMENT OF ROCK MASS, AND AP...
- Publication number 20210246787
- Publication date Aug 12, 2021
- Yonghui CHENG
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
ROCK BOLT WITH INFORMATION DISPLAY REGION
- Publication number 20210172318
- Publication date Jun 10, 2021
- SANDVIK MINING AND CONSTRUCTION AUSTRALIA (PRODUCTION/SUPPLY) PTY LTD
- Mieczyslaw RATAJ
- E21 - EARTH DRILLING MINING
Information Patent Application
System and method for supporting sidewalls or ribs in coal mines
- Publication number 20210071526
- Publication date Mar 11, 2021
- Square Cut Systems, LLC
- Frank M. Locotos
- E21 - EARTH DRILLING MINING
Information Patent Application
Mine Bolt Bending System
- Publication number 20200398326
- Publication date Dec 24, 2020
- FCI HOLDINGS DELAWARE, INC.
- John C. Stankus
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
ROCK BOLT WITH MESHING ADAPTER
- Publication number 20200318479
- Publication date Oct 8, 2020
- Sandvik Intellectual Property AB
- Mieczyslaw RATAJ
- E21 - EARTH DRILLING MINING
Information Patent Application
EXTENSIBLE REAMING SELF-ANCHORING ANCHOR ROD AND SUPPORTING METHOD...
- Publication number 20200217201
- Publication date Jul 9, 2020
- CHINA UNIVERSITY OF MINING AND TECHNOLOGY
- Nong ZHANG
- E21 - EARTH DRILLING MINING
Information Patent Application
ADAPTED ROCK BOLT WITH IMPROVED INSTALLATION PROPERTIES
- Publication number 20200157939
- Publication date May 21, 2020
- EPIROC HOLDINGS SOUTH AFRICA (PTY) LTD
- Brendan Robert CROMPTON
- E21 - EARTH DRILLING MINING
Information Patent Application
UMBRELLA ANCHORAGE
- Publication number 20200131729
- Publication date Apr 30, 2020
- ANADOLU UNIVERSITESI REKTORLUGU
- Burak Evirgen
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
RECYCLABLE SAND-CONSOLIDATED ANCHOR HEAD PRESTRESSED ANCHOR, ANCHOR...
- Publication number 20200102826
- Publication date Apr 2, 2020
- Institute of Rock and Soil Mechanics, Chinese Academy of Sciences
- Guanhua SUN
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
A RESIN ANCHORED ROCK BOLT WITH A LOCATING FORMATION AT A LEADING END
- Publication number 20200088032
- Publication date Mar 19, 2020
- EPIROC HOLDINGS SOUTH AFRICA (PTY) LTD
- Brendan Robert CROMPTON
- E21 - EARTH DRILLING MINING
Information Patent Application
A RESIN ANCHORED ROCK BOLT WITH A PIERCING END
- Publication number 20200088031
- Publication date Mar 19, 2020
- EPIROC HOLDINGS SOUTH AFRICA (PTY) LTD
- Brendan Robert CROMPTON
- E21 - EARTH DRILLING MINING
Information Patent Application
SELF-DRILLING DIFFERENTIAL GROUTING COMBINED BOLT AND ANCHORING MET...
- Publication number 20200056479
- Publication date Feb 20, 2020
- China University of Mining and Technology
- Guoan XU
- E21 - EARTH DRILLING MINING
Information Patent Application
ANCHORING METHOD UTILIZING SELF-DRILLING AND SELF-ANCHORING EXTENDA...
- Publication number 20190169987
- Publication date Jun 6, 2019
- China University of Mining and Technology
- Nong ZHANG
- E21 - EARTH DRILLING MINING
Information Patent Application
METHOD AND SYSTEM OF COAL MINE ROOF STABILIZATION
- Publication number 20190153862
- Publication date May 23, 2019
- REI, Inc.
- Daniel J. BRUNNER
- E21 - EARTH DRILLING MINING
Information Patent Application
Integrated Drill Chuck
- Publication number 20190099813
- Publication date Apr 4, 2019
- Royal Hydraulics Service and Manufacturing Company, Inc.
- George Morrell
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
GROUND ANCHOR OF WHICH STRESS CAN BE SELF-DIAGNOSED, AND CONSTRUCTI...
- Publication number 20190017241
- Publication date Jan 17, 2019
- SOILTECH Korea Co., LTD.
- Ji-Ho KIM
- E21 - EARTH DRILLING MINING
Information Patent Application
GROUT DELIVERY SYSTEM
- Publication number 20180291737
- Publication date Oct 11, 2018
- NCM INNOVATIONS (PTY) LTD
- Paolo Ettore PASTORINO
- E21 - EARTH DRILLING MINING
Information Patent Application
OVAL BAR
- Publication number 20180291738
- Publication date Oct 11, 2018
- MINOVA INTERNATIONAL LIMITED
- Anand Bhagwat
- E21 - EARTH DRILLING MINING
Information Patent Application
ROCK BOLT WITH ELONGATING SECTION
- Publication number 20180087381
- Publication date Mar 29, 2018
- NEWMONT USA LIMITED
- Patrick Ferland
- E21 - EARTH DRILLING MINING
Information Patent Application
Corrosion Resistant Yieldable Bolt
- Publication number 20180016900
- Publication date Jan 18, 2018
- FCI HOLDINGS DELAWARE, INC.
- Lumin Ma
- C21 - METALLURGY OF IRON

using explosives charges

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Deformed hollow rock bolt

Adhesively anchored rock bolt assembly

Safety plug

Rock bolt with information display region

Bolt apparatus

Method of ensuring controlled failure of rock bolt bar

Rock bolt with information display region

System and method for supporting sidewalls or ribs in coal mines

Umbrella-shaped anchor for quick reinforcement of rock mass, and ap...

Mine bolt bending system

System and method for supporting sidewalls or ribs in coal mines

Integrated drill chuck

Rock bolt with meshing adapter

Corrosion resistant yieldable bolt

Adapted rock bolt with improved installation properties

Resin anchored rock bolt with a piercing end

Umbrella anchorage

Self-drilling differential grouting combined bolt and anchoring met...

Recyclable sand-consolidated anchor head prestressed anchor, anchor...

Extensible reaming self-anchoring anchor rod and supporting method...

Ground anchor of which stress can be self-diagnosed, and constructi...

Anchoring method utilizing self-drilling and self-anchoring extenda...

Oval bar

Grout delivery system

Rock anchor foundation structure suitable for mountain photovoltaic...

Method and system of coal mine roof stabilization

Method of supporting a rock wall

Strand, cable bolt and its installation

Anchor, especially a rock anchor

Rock anchoring system and method

Patents Applicationslast 30 patents

ACTIVE CONTROL METHOD AND DEVICE FOR LARGE DEFORMATION OF DEEP THIN...

A Safety Plug

ADHESIVELY ANCHORED ROCK BOLT ASSEMBLY

DEFORMED HOLLOW ROCK BOLT

ROCK BOLT WITH INFORMATION DISPLAY REGION

NPR ANCHOR ROD

IMPROVED BOLT APPARATUS

RESIN-GROUTED ROCK BOLT ASSEMBLY WITH AN ADAPTED SEALING BUSH

System and method for supporting sidewalls or ribs in coal mines

METHOD OF ENSURING CONTROLLED FAILURE OF ROCK BOLT BAR

UMBRELLA-SHAPED ANCHOR FOR QUICK REINFORCEMENT OF ROCK MASS, AND AP...

ROCK BOLT WITH INFORMATION DISPLAY REGION

System and method for supporting sidewalls or ribs in coal mines

Mine Bolt Bending System

ROCK BOLT WITH MESHING ADAPTER

EXTENSIBLE REAMING SELF-ANCHORING ANCHOR ROD AND SUPPORTING METHOD...

ADAPTED ROCK BOLT WITH IMPROVED INSTALLATION PROPERTIES

UMBRELLA ANCHORAGE

RECYCLABLE SAND-CONSOLIDATED ANCHOR HEAD PRESTRESSED ANCHOR, ANCHOR...

A RESIN ANCHORED ROCK BOLT WITH A LOCATING FORMATION AT A LEADING END

A RESIN ANCHORED ROCK BOLT WITH A PIERCING END

SELF-DRILLING DIFFERENTIAL GROUTING COMBINED BOLT AND ANCHORING MET...

ANCHORING METHOD UTILIZING SELF-DRILLING AND SELF-ANCHORING EXTENDA...

METHOD AND SYSTEM OF COAL MINE ROOF STABILIZATION

Integrated Drill Chuck

GROUND ANCHOR OF WHICH STRESS CAN BE SELF-DIAGNOSED, AND CONSTRUCTI...

GROUT DELIVERY SYSTEM

OVAL BAR

ROCK BOLT WITH ELONGATING SECTION

Corrosion Resistant Yieldable Bolt