Methods or devices for drawing- off gases with or without subsequent use of the gas for any purpose

Industry

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E21F7/00

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Parent Industries

EFIXED CONSTRUCTIONS E21Mining E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS

Current Industry

E21F7/00Methods or devices for drawing- off gases with or without subsequent use of the gas for any purpose

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Three-dimensional ventilation method and system for mining by 110 c...
- Patent number 12,168,932
- Issue date Dec 17, 2024
- CHINA UNIVERSITY OF MINING & TECHNOLOGY, BEIJING
- Jiong Wang
- E21 - EARTH DRILLING MINING
Information Patent Grant
Barrier assembly
- Patent number 11,982,185
- Issue date May 14, 2024
- ENI S.p.A.
- Luca Decarli
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Hole protection system and method for coal seam slotting and fractu...
- Patent number 11,970,945
- Issue date Apr 30, 2024
- Hancheng Zaozhuang Industrial Co., Ltd.
- Xiaoyan Sun
- E21 - EARTH DRILLING MINING
Information Patent Grant
Portable gas monitor
- Patent number 11,872,609
- Issue date Jan 16, 2024
- Elkins Earthworks, LLC
- Charles Elkins
- B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information Patent Grant
Multi-level cross mining areas surface well pattern deployment method
- Patent number 11,649,701
- Issue date May 16, 2023
- Taiyuan University of Technology
- Zhen Li
- E21 - EARTH DRILLING MINING
Information Patent Grant
Portable gas monitor
- Patent number 11,504,754
- Issue date Nov 22, 2022
- ELKINS EARTHWORKS, LLC
- Charles Elkins
- B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information Patent Grant
Full-length screen pipe hole protection device and method with pres...
- Patent number 11,396,810
- Issue date Jul 26, 2022
- Shandong University of Science and Technology
- Guanhua Ni
- E21 - EARTH DRILLING MINING
Information Patent Grant
Permeability enhancement method for coalbed methane wells by using...
- Patent number 10,858,913
- Issue date Dec 8, 2020
- China University of Mining and Technology
- Bai quan Lin
- E21 - EARTH DRILLING MINING
Information Patent Grant
Multi-stage combustion impact wave coal mass cracking and heat inje...
- Patent number 10,808,514
- Issue date Oct 20, 2020
- China University of Mining and Technology
- Baiquan Lin
- E21 - EARTH DRILLING MINING
Information Patent Grant
Ducting system
- Patent number 10,758,753
- Issue date Sep 1, 2020
- Commonwealth Scientific and Industrial Research Organisation
- Shi Su
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Grant
Closed circulation system for production of a polymer solution and...
- Patent number 10,613,554
- Issue date Apr 7, 2020
- China University of Mining and Technology
- Fubao Zhou
- E21 - EARTH DRILLING MINING
Information Patent Grant
Combined automatic anti-explosion method for gas drainage pipeline
- Patent number 10,612,379
- Issue date Apr 7, 2020
- CHINA UNIVERSITY OF MINING AND TECHNOLOGY
- Caiping Lu
- E21 - EARTH DRILLING MINING
Information Patent Grant
Using horizontal directional drilling and liquid nitrogen cyclic fr...
- Patent number 10,577,891
- Issue date Mar 3, 2020
- SCIENCE ACADEMY OF CHINA UNIVERSITY OF MINING AND TECHNOLOGY
- Cheng Zhai
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method for constructing networked preferential gas migration pathwa...
- Patent number 10,487,656
- Issue date Nov 26, 2019
- China University of Mining and Technology
- Baiquan Lin
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method for stepwise construction of preferential gas migration path...
- Patent number 10,472,963
- Issue date Nov 12, 2019
- China University of Mining and Technology
- Baiquan Lin
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method for gas extraction alternating oscillating pulse high energy...
- Patent number 10,378,327
- Issue date Aug 13, 2019
- China University of Mining and Technology
- Baiquan Lin
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method for integrated drilling, flushing, slotting and thermal inje...
- Patent number 10,370,942
- Issue date Aug 6, 2019
- CHINA UNIVERSITY OF MINING AND TECHNOLOGY
- Baiquan Lin
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method of performing combined drilling, flushing, and cutting opera...
- Patent number 10,280,686
- Issue date May 7, 2019
- China University of Mining and Technology
- Boquan Lin
- E21 - EARTH DRILLING MINING
Information Patent Grant
Portable gas monitor
- Patent number 10,150,146
- Issue date Dec 11, 2018
- Elkins Earthworks, LLC
- Charles Elkins
- E21 - EARTH DRILLING MINING
Information Patent Grant
Underground mining system for reduced costs, improved efficiencies,...
- Patent number 10,113,425
- Issue date Oct 30, 2018
- Underground Extraction Technologies Pty Ltd
- Brian MacDonald
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method for integrated drilling, slotting and oscillating thermal in...
- Patent number 10,060,238
- Issue date Aug 28, 2018
- CHINA UNIVERSITY OF MINING AND TECHNOLOGY
- Baiquan Lin
- E21 - EARTH DRILLING MINING
Information Patent Grant
Self-regenerative integrated device for synergetic oxidation of low...
- Patent number 10,022,668
- Issue date Jul 17, 2018
- China University of Mining and Technology
- Baiquan Lin
- E21 - EARTH DRILLING MINING
Information Patent Grant
Pumpable mine ventilation structure
- Patent number 10,001,009
- Issue date Jun 19, 2018
- FCI Holdings Delaware, Inc.
- Joseph P. Bower
- E21 - EARTH DRILLING MINING
Information Patent Grant
Use of ventilation air methane exhausted during mining of non-combu...
- Patent number 9,677,398
- Issue date Jun 13, 2017
- Solvay Chemicals, Inc.
- Ronald O. Hughes
- E21 - EARTH DRILLING MINING
Information Patent Grant
Mine area distributed combined cooling heating power energy system...
- Patent number 9,605,512
- Issue date Mar 28, 2017
- CHINA UNIVERSITY OF MINING AND TECHNOLOGY
- Baiquan Lin
- E21 - EARTH DRILLING MINING
Information Patent Grant
System and method for accessing subterranean deposits
- Patent number 9,551,209
- Issue date Jan 24, 2017
- Effective Exploration, LLC
- Joseph Zupanick
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Mining method for gassy and low permeability coal seams
- Patent number 9,273,553
- Issue date Mar 1, 2016
- Ian Gray
- E21 - EARTH DRILLING MINING
Information Patent Grant
System and method for control of a gas
- Patent number 8,944,014
- Issue date Feb 3, 2015
- KSD Enterprises, LLC
- H. David Cutlip
- G07 - CHECKING-DEVICES
Information Patent Grant
Method and system for accessing subterranean deposits from the surf...
- Patent number 8,813,840
- Issue date Aug 26, 2014
- Efective Exploration, LLC
- Joseph A. Zupanick
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Method and system for accessing subterranean deposits from the surface
- Patent number 8,511,372
- Issue date Aug 20, 2013
- Vitruvian Exploration, LLC
- Joseph A. Zupanick
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
BARRIER ASSEMBLY
- Publication number 20240229647
- Publication date Jul 11, 2024
- ENI S.p.A.
- LUCA DECARLI
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PORTABLE GAS MONITOR
- Publication number 20240082895
- Publication date Mar 14, 2024
- Elkins Earthworks, LLC
- Charles Elkins
- B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information Patent Application
HOLE PROTECTION SYSTEM AND METHOD FOR COAL SEAM SLOTTING AND FRACTU...
- Publication number 20230313682
- Publication date Oct 5, 2023
- Hancheng Zaozhuang Industrial Co., Ltd.
- Xiaoyan SUN
- E21 - EARTH DRILLING MINING
Information Patent Application
Three-Dimensional Ventilation Method And System For Mining By 110 C...
- Publication number 20230175398
- Publication date Jun 8, 2023
- CHINA UNIVERSITY OF MINING & TECHNOLOGY, BEIJING
- Jiong Wang
- E21 - EARTH DRILLING MINING
Information Patent Application
PORTABLE GAS MONITOR
- Publication number 20230037395
- Publication date Feb 9, 2023
- Elkins Earthworks, LLC
- Charles Elkins
- B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information Patent Application
MULTI-LEVEL CROSS MINING AREAS SURFACE WELL PATTERN DEPLOYMENT METHOD
- Publication number 20220251956
- Publication date Aug 11, 2022
- TAIYUAN UNIVERSITY OF TECHNOLOGY
- Zhen LI
- E21 - EARTH DRILLING MINING
Information Patent Application
FULL-LENGTH SCREEN PIPE HOLE PROTECTION DEVICE AND METHOD WITH PRES...
- Publication number 20220205361
- Publication date Jun 30, 2022
- SHANDONG UNIVERSITY OF SCIENCE AND TECHNOLOGY
- Guanhua NI
- E21 - EARTH DRILLING MINING
Information Patent Application
BARRIER ASSEMBLY
- Publication number 20220154578
- Publication date May 19, 2022
- ENI S.p.A.
- Luca Decarli
- E04 - BUILDING
Information Patent Application
PERMEABILITY ENHANCEMENT METHOD FOR COALBED METHANE WELLS BY USING...
- Publication number 20200240246
- Publication date Jul 30, 2020
- CHINA UNIVERSITY OF MINING AND TECHNOLOGY
- Bai quan LIN
- E21 - EARTH DRILLING MINING
Information Patent Application
MULTI-STAGE COMBUSTION IMPACT WAVE COAL MASS CRACKING AND HEAT INJE...
- Publication number 20200182033
- Publication date Jun 11, 2020
- CHINA UNIVERSITY OF MINING AND TECHNOLOGY
- Baiquan LIN
- E21 - EARTH DRILLING MINING
Information Patent Application
COMBINED AUTOMATIC ANTI-EXPLOSION METHOD FOR GAS DRAINAGE PIPELINE
- Publication number 20200040726
- Publication date Feb 6, 2020
- CHINA UNIVERSITY OF MINING AND TECHNOLOGY
- Caiping LU
- E21 - EARTH DRILLING MINING
Information Patent Application
METHOD FOR DYNAMIC WATER FEEDING AND HOLE SEALING USING HIGH WATER-...
- Publication number 20190360336
- Publication date Nov 28, 2019
- CHINA UNIVERSITY OF MINING AND TECHNOLOGY
- Bai quan LIN
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
CLOSED CIRCULATION SYSTEM FOR IMPROVING OPERATING EFFICIENCY OF GAS...
- Publication number 20190286174
- Publication date Sep 19, 2019
- China University of Mining and Technology
- Fubao ZHOU
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHOD FOR CONSTRUCTING NETWORKED PREFERENTIAL GAS MIGRATION PATHWA...
- Publication number 20190145260
- Publication date May 16, 2019
- CHINA UNIVERSITY OF MINING AND TECHNOLOGY
- Baiquan LIN
- E21 - EARTH DRILLING MINING
Information Patent Application
METHOD FOR STEPWISE CONSTRUCTION OF PREFERENTIAL GAS MIGRATION PATH...
- Publication number 20190145259
- Publication date May 16, 2019
- CHINA UNIVERSITY OF MINING AND TECHNOLOGY
- Baiquan LIN
- E21 - EARTH DRILLING MINING
Information Patent Application
Portable Gas Monitor
- Publication number 20190070646
- Publication date Mar 7, 2019
- Elkins Earthworks, LLC
- Charles Elkins
- B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information Patent Application
DESIGN METHOD FOR MINING UPPER PROTECTIVE SEAM CLOSE TO TOTAL ROCK...
- Publication number 20190071967
- Publication date Mar 7, 2019
- CHINA UNIVERSITY OF MINING AND TECHNOLOGY
- Jixiong ZHANG
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DUCTING SYSTEM
- Publication number 20180272165
- Publication date Sep 27, 2018
- Commonwealth Scientific and Industrial Research Organisation
- Shi Su
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Application
METHOD FOR GAS EXTRACTION ALTERNATING OSCILLATING PULSE HIGH ENERGY...
- Publication number 20180209259
- Publication date Jul 26, 2018
- CHINA UNIVERSITY OF MINING AND TECHNOLOGY
- Baiquan LIN
- E21 - EARTH DRILLING MINING
Information Patent Application
PUMPABLE MINE VENTILATION STRUCTURE
- Publication number 20180195391
- Publication date Jul 12, 2018
- Heintzmann Corporation
- Joseph P. Bower
- E21 - EARTH DRILLING MINING
Information Patent Application
METHOD OF PERFORMING COMBINED DRILLING, FLUSHING, AND CUTTING OPERA...
- Publication number 20170370156
- Publication date Dec 28, 2017
- China University of Mining and Technology
- Boquan LIN
- E21 - EARTH DRILLING MINING
Information Patent Application
AN UNDERGROUND MINING SYSTEM FOR REDUCED COSTS, IMPROVED EFFICIENCI...
- Publication number 20170248017
- Publication date Aug 31, 2017
- Underground Extraction Technologies Pty Ltd
- Brian MacDonald
- E21 - EARTH DRILLING MINING
Information Patent Application
A WELL SYSTEM
- Publication number 20170226840
- Publication date Aug 10, 2017
- Christopher James CONNELL
- E21 - EARTH DRILLING MINING
Information Patent Application
Portable Gas Monitor
- Publication number 20170058671
- Publication date Mar 2, 2017
- Elkins Earthworks, LLC
- Charles Elkins
- G01 - MEASURING TESTING
Information Patent Application
MULTI PURPOSE DRILLING SYSTEM AND METHOD
- Publication number 20170044887
- Publication date Feb 16, 2017
- Peabody Energy Australia
- JAN BENJAMIN PIETER COETZEE
- E21 - EARTH DRILLING MINING
Information Patent Application
PUMPABLE MINE VENTILATION STRUCTURE
- Publication number 20160245082
- Publication date Aug 25, 2016
- Heintzmann Corporation
- Joseph P. Bower
- E21 - EARTH DRILLING MINING
Information Patent Application
SELF-REGENERATIVE INTEGRATED DEVICE FOR SYNERGETIC OXIDATION OF LOW...
- Publication number 20160136575
- Publication date May 19, 2016
- CHINA UNIVERSITY OF MINING AND TECHNOLOGY
- Baiquan LIN
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
System and Method for the Access of Subterranean Deposits
- Publication number 20140318760
- Publication date Oct 30, 2014
- Joseph Zupanick
- G01 - MEASURING TESTING
Information Patent Application
COAL BED GAS WELL APPARATUS AND METHOD WITH MINABLE NON-SPARKING TU...
- Publication number 20140318805
- Publication date Oct 30, 2014
- Halliburton Energy Services, Inc.
- Alan Brian WEBB
- E21 - EARTH DRILLING MINING
Information Patent Application
PUMPABLE MINE VENTILATION STRUCTURE
- Publication number 20140314490
- Publication date Oct 23, 2014
- ABC Industries, Inc.
- Joseph P. Bower
- E21 - EARTH DRILLING MINING

Methods or devices for drawing- off gases with or without subsequent use of the gas for any purpose

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Three-dimensional ventilation method and system for mining by 110 c...

Barrier assembly

Hole protection system and method for coal seam slotting and fractu...

Portable gas monitor

Multi-level cross mining areas surface well pattern deployment method

Portable gas monitor

Full-length screen pipe hole protection device and method with pres...

Permeability enhancement method for coalbed methane wells by using...

Multi-stage combustion impact wave coal mass cracking and heat inje...

Ducting system

Closed circulation system for production of a polymer solution and...

Combined automatic anti-explosion method for gas drainage pipeline

Using horizontal directional drilling and liquid nitrogen cyclic fr...

Method for constructing networked preferential gas migration pathwa...

Method for stepwise construction of preferential gas migration path...

Method for gas extraction alternating oscillating pulse high energy...

Method for integrated drilling, flushing, slotting and thermal inje...

Method of performing combined drilling, flushing, and cutting opera...

Portable gas monitor

Underground mining system for reduced costs, improved efficiencies,...

Method for integrated drilling, slotting and oscillating thermal in...

Self-regenerative integrated device for synergetic oxidation of low...

Pumpable mine ventilation structure

Use of ventilation air methane exhausted during mining of non-combu...

Mine area distributed combined cooling heating power energy system...

System and method for accessing subterranean deposits

Mining method for gassy and low permeability coal seams

System and method for control of a gas

Method and system for accessing subterranean deposits from the surf...

Method and system for accessing subterranean deposits from the surface

Patents Applicationslast 30 patents

BARRIER ASSEMBLY

PORTABLE GAS MONITOR

HOLE PROTECTION SYSTEM AND METHOD FOR COAL SEAM SLOTTING AND FRACTU...

Three-Dimensional Ventilation Method And System For Mining By 110 C...

PORTABLE GAS MONITOR

MULTI-LEVEL CROSS MINING AREAS SURFACE WELL PATTERN DEPLOYMENT METHOD

FULL-LENGTH SCREEN PIPE HOLE PROTECTION DEVICE AND METHOD WITH PRES...

BARRIER ASSEMBLY

PERMEABILITY ENHANCEMENT METHOD FOR COALBED METHANE WELLS BY USING...

MULTI-STAGE COMBUSTION IMPACT WAVE COAL MASS CRACKING AND HEAT INJE...

COMBINED AUTOMATIC ANTI-EXPLOSION METHOD FOR GAS DRAINAGE PIPELINE

METHOD FOR DYNAMIC WATER FEEDING AND HOLE SEALING USING HIGH WATER-...

CLOSED CIRCULATION SYSTEM FOR IMPROVING OPERATING EFFICIENCY OF GAS...

METHOD FOR CONSTRUCTING NETWORKED PREFERENTIAL GAS MIGRATION PATHWA...

METHOD FOR STEPWISE CONSTRUCTION OF PREFERENTIAL GAS MIGRATION PATH...

Portable Gas Monitor

DESIGN METHOD FOR MINING UPPER PROTECTIVE SEAM CLOSE TO TOTAL ROCK...

DUCTING SYSTEM

METHOD FOR GAS EXTRACTION ALTERNATING OSCILLATING PULSE HIGH ENERGY...

PUMPABLE MINE VENTILATION STRUCTURE

METHOD OF PERFORMING COMBINED DRILLING, FLUSHING, AND CUTTING OPERA...

AN UNDERGROUND MINING SYSTEM FOR REDUCED COSTS, IMPROVED EFFICIENCI...

A WELL SYSTEM

Portable Gas Monitor

MULTI PURPOSE DRILLING SYSTEM AND METHOD

PUMPABLE MINE VENTILATION STRUCTURE

SELF-REGENERATIVE INTEGRATED DEVICE FOR SYNERGETIC OXIDATION OF LOW...

System and Method for the Access of Subterranean Deposits

COAL BED GAS WELL APPARATUS AND METHOD WITH MINABLE NON-SPARKING TU...

PUMPABLE MINE VENTILATION STRUCTURE