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Industry

CPC
E21F15/02

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Parent Industries

EFIXED CONSTRUCTIONS E21Mining E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS E21F15/00Methods or devices for placing filling-up materials in underground workings

Current Industry

E21F15/02Supporting means

Industries

Patents Grantslast 30 patents

Information Patent Grant
System and method for monitoring bearing compression rate of filler...
- Patent number 11,414,991
- Issue date Aug 16, 2022
- China University of Mining and Technology
- Jixiong Zhang
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and an apparatus for creating a void for underground mining
- Patent number 11,111,787
- Issue date Sep 7, 2021
- Moore Management Company Pty Ltd
- Gregory Moore
- E21 - EARTH DRILLING MINING
Information Patent Grant
Filling mining method for fully-mechanized top coal caving working...
- Patent number 11,047,236
- Issue date Jun 29, 2021
- Shandong University of Science and Technology
- Shaojie Chen
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method of recovering room-and-pillar coal pillar by using external...
- Patent number 11,021,954
- Issue date Jun 1, 2021
- China University of Mining and Technology
- Nan Zhou
- E21 - EARTH DRILLING MINING
Information Patent Grant
Roadway forming method by expanding excavating and filling gangue p...
- Patent number 10,787,906
- Issue date Sep 29, 2020
- Shandong University of Science and Technology
- Zhongping Guo
- E21 - EARTH DRILLING MINING
Information Patent Grant
System and method for forming a cavity in a backfilled stope
- Patent number 10,774,644
- Issue date Sep 15, 2020
- Sturda Inc.
- Robert Lamond
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method for recovering room-mining coal pillars by solid filling in...
- Patent number 10,612,378
- Issue date Apr 7, 2020
- China University of Mining and Technology
- Jixiong Zhang
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method for removing hydraulic support for solid filling coal mining
- Patent number 10,036,252
- Issue date Jul 31, 2018
- China University of Mining and Technology
- Feng Ju
- E21 - EARTH DRILLING MINING
Information Patent Grant
Fill fence system and method for installing same
- Patent number 9,970,291
- Issue date May 15, 2018
- Sturda Inc.
- Robert Lamond
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Inclined layered solid-filling mining method in ultrathick coal layer
- Patent number 9,494,037
- Issue date Nov 15, 2016
- China University of Mining and Technology
- Jixiong Zhang
- E21 - EARTH DRILLING MINING
Information Patent Grant
Stowing method for goaf of potash salt ore
- Patent number 8,911,177
- Issue date Dec 16, 2014
- Sino-Agri Mining Investment Co., Ltd.
- Wang Quan
- E21 - EARTH DRILLING MINING
Information Patent Grant
Mine seal with electrically non-conductive ties
- Patent number 8,444,108
- Issue date May 21, 2013
- Kennedy Metal Products & Buildings, Inc.
- William R. Kennedy
- E21 - EARTH DRILLING MINING
Information Patent Grant
Shaft plugging system
- Patent number 7,708,070
- Issue date May 4, 2010
- Tagfilm Pty Limited
- Heinrich Jan Roelofs
- E21 - EARTH DRILLING MINING
Information Patent Grant
Slidable filling dam
- Patent number 4,406,565
- Issue date Sep 27, 1983
- Centrum Konstrukcyjnotechnologiczne Maszyn Gorniczych
- Wincenty Pretor
- E21 - EARTH DRILLING MINING
Information Patent Grant
Mine packing equipment
- Patent number 4,069,676
- Issue date Jan 24, 1978
- Coal Industry (Patents) Ltd.
- Norman Albert Plumpton
- E21 - EARTH DRILLING MINING
Information Patent Grant
3831384
- Patent number 3,831,384
- Issue date Aug 27, 1974
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
3564857
- Patent number 3,564,857
- Issue date Feb 23, 1971
- E21 - EARTH DRILLING MINING
Information Patent Grant
3439508
- Patent number 3,439,508
- Issue date Apr 22, 1969
- E21 - EARTH DRILLING MINING
Information Patent Grant
3290741
- Patent number 3,290,741
- Issue date Dec 13, 1966
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND APPARATUS FOR USE IN STOPE BACKFILL MINING
- Publication number 20230417142
- Publication date Dec 28, 2023
- M2P ENGINEERING PTY LTD
- Adam BESWICK
- E21 - EARTH DRILLING MINING
Information Patent Application
SYSTEM AND METHOD FOR MONITORING BEARING COMPRESSION RATE OF FILLER...
- Publication number 20210277779
- Publication date Sep 9, 2021
- CHINA UNIVERSITY OF MINING AND TECHNOLOGY
- Jixiong ZHANG
- E21 - EARTH DRILLING MINING
Information Patent Application
FILLING MINING METHOD FOR FULLY-MECHANIZED TOP COAL CAVING WORKING...
- Publication number 20210040850
- Publication date Feb 11, 2021
- Shandong University of Science and Technology
- Shaojie CHEN
- E21 - EARTH DRILLING MINING
Information Patent Application
METHOD OF RECOVERING ROOM-AND-PILLAR COAL PILLAR BY USING EXTERNAL...
- Publication number 20200318480
- Publication date Oct 8, 2020
- CHINA UNIVERSITY OF MINING AND TECHNOLOGY
- Nan ZHOU
- E21 - EARTH DRILLING MINING
Information Patent Application
METHOD OF FORMING A ROADWAY BY FILLING GANGUE PASTE DURING WIDE-ROA...
- Publication number 20200040728
- Publication date Feb 6, 2020
- Shandong University of Science and Technology
- Zhongping GUO
- E21 - EARTH DRILLING MINING
Information Patent Application
METHOD FOR REMOVING HYDRAULIC SUPPORT FOR SOLID FILLING COAL MINING
- Publication number 20170138194
- Publication date May 18, 2017
- Feng JU
- E21 - EARTH DRILLING MINING
Information Patent Application
INCLINED LAYERED SOLID-FILLING MINING METHOD IN ULTRATHICK COAL LAYER
- Publication number 20160102553
- Publication date Apr 14, 2016
- CHINA UNIVERSITY OF MINING AND TECHNOLOGY
- Jixiong Zhang
- E21 - EARTH DRILLING MINING
Information Patent Application
MINE SEAL WITH ELECTRICALLY NON-CONDUCTIVE TIES
- Publication number 20130251454
- Publication date Sep 26, 2013
- KENNEDY METAL PRODUCTS & BUILDINGS, INC.
- William R. Kennedy
- E21 - EARTH DRILLING MINING
Information Patent Application
STOWING METHOD FOR GOAF OF POTASH SALT ORE
- Publication number 20130170912
- Publication date Jul 4, 2013
- Wang QUAN
- E21 - EARTH DRILLING MINING
Information Patent Application
CONTAINER FOR FORMING A BARRIER IN AN ENCLOSED ENVIRONMENT
- Publication number 20110272402
- Publication date Nov 10, 2011
- Robert Garwood LAMOND
- E21 - EARTH DRILLING MINING
Information Patent Application
Mine Seal With Electrically Non-Conductive Ties
- Publication number 20090279955
- Publication date Nov 12, 2009
- KENNEDY METAL PRODUCTS & BUILDINGS, INC.
- William R. Kennedy
- E21 - EARTH DRILLING MINING
Information Patent Application
Shaft Plugging System
- Publication number 20080196885
- Publication date Aug 21, 2008
- Heinrich Jan Roelofs
- E21 - EARTH DRILLING MINING

Supporting means

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

System and method for monitoring bearing compression rate of filler...

Method and an apparatus for creating a void for underground mining

Filling mining method for fully-mechanized top coal caving working...

Method of recovering room-and-pillar coal pillar by using external...

Roadway forming method by expanding excavating and filling gangue p...

System and method for forming a cavity in a backfilled stope

Method for recovering room-mining coal pillars by solid filling in...

Method for removing hydraulic support for solid filling coal mining

Fill fence system and method for installing same

Inclined layered solid-filling mining method in ultrathick coal layer

Stowing method for goaf of potash salt ore

Mine seal with electrically non-conductive ties

Shaft plugging system

Slidable filling dam

Mine packing equipment

3831384

3564857

3439508

3290741

Patents Applicationslast 30 patents

METHOD AND APPARATUS FOR USE IN STOPE BACKFILL MINING

SYSTEM AND METHOD FOR MONITORING BEARING COMPRESSION RATE OF FILLER...

FILLING MINING METHOD FOR FULLY-MECHANIZED TOP COAL CAVING WORKING...

METHOD OF RECOVERING ROOM-AND-PILLAR COAL PILLAR BY USING EXTERNAL...

METHOD OF FORMING A ROADWAY BY FILLING GANGUE PASTE DURING WIDE-ROA...

METHOD FOR REMOVING HYDRAULIC SUPPORT FOR SOLID FILLING COAL MINING

INCLINED LAYERED SOLID-FILLING MINING METHOD IN ULTRATHICK COAL LAYER

MINE SEAL WITH ELECTRICALLY NON-CONDUCTIVE TIES

STOWING METHOD FOR GOAF OF POTASH SALT ORE

CONTAINER FOR FORMING A BARRIER IN AN ENCLOSED ENVIRONMENT

Mine Seal With Electrically Non-Conductive Ties

Shaft Plugging System