Methods or devices for placing filling-up materials in underground workings

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Patents Grantslast 30 patents

Information Patent Grant
Method of segmented grouting for repairing aquifers in mining area
- Patent number 12,312,958
- Issue date May 27, 2025
- CHINA UNIVERSITY OF MINING & TECHNOLOGY, BEIJING
- Yifan Zeng
- E21 - EARTH DRILLING MINING
Information Patent Grant
Systems and methods for subterranean energy storage
- Patent number 12,270,368
- Issue date Apr 8, 2025
- John Dane Rasmussen
- E21 - EARTH DRILLING MINING
Information Patent Grant
Underground mining methods via boreholes and multilateral blast-holes
- Patent number 12,098,636
- Issue date Sep 24, 2024
- Daniel B. Palmer
- E21 - EARTH DRILLING MINING
Information Patent Grant
I-patterned filling method for initial stage of coal mining based o...
- Patent number 12,098,637
- Issue date Sep 24, 2024
- Taiyuan University of Technology
- Guorui Feng
- E21 - EARTH DRILLING MINING
Information Patent Grant
Isolated overburden grouting filling method for coal gangue undergr...
- Patent number 12,044,125
- Issue date Jul 23, 2024
- China University of Mining and Technology
- Dayang Xuan
- E21 - EARTH DRILLING MINING
Information Patent Grant
Dendritic reverse underground mining method for thin coal seam at e...
- Patent number 11,994,027
- Issue date May 28, 2024
- China University of Mining and Technology
- Shuzhao Chen
- E21 - EARTH DRILLING MINING
Information Patent Grant
Multi-energy complementary system for co-associated abandoned mine...
- Patent number 11,965,419
- Issue date Apr 23, 2024
- ANHUI UNIVERSITY OF SCIENCE AND TECHNOLOGY
- Tong Zhang
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method for filling deformable karst cave
- Patent number 11,933,178
- Issue date Mar 19, 2024
- Shandong University
- Ke Wu
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Hazardous waste disposal using directional angled drilling
- Patent number 11,834,951
- Issue date Dec 5, 2023
- Leo Byford
- B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information Patent Grant
Plug for a void, system and method
- Patent number 11,828,179
- Issue date Nov 28, 2023
- Strata Products Worldwide, LLC
- Joshua Stephen Behling
- E21 - EARTH DRILLING MINING
Information Patent Grant
Process for controlled in-situ coal gasification and a filling devi...
- Patent number 11,814,941
- Issue date Nov 14, 2023
- JAYANT CHANDULAL MEHTA
- Jayant Chandulal Mehta
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method for ecological filling with mixed coal gangue and fly ash
- Patent number 11,795,106
- Issue date Oct 24, 2023
- SHANXI UNIVERSITY
- Fangqin Cheng
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Microwave-mechanical fluidization mining system and mining method f...
- Patent number 11,773,720
- Issue date Oct 3, 2023
- Northeastern University
- Xiating Feng
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Closure methods for mines
- Patent number 11,724,291
- Issue date Aug 15, 2023
- Yost Brothers, LLC
- Karl William Yost
- B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information Patent Grant
Multi-functional plugging agent for coal mine and preparation metho...
- Patent number 11,691,043
- Issue date Jul 4, 2023
- Shandong University of Science and Technology
- Xiangming Hu
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Plug for a void, system and method
- Patent number 11,421,532
- Issue date Aug 23, 2022
- Strata Products Worldwide, LLC
- Joshua Stephen Behling
- E21 - EARTH DRILLING MINING
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 for recovering room-type coal pillars by cemented filling of...
- Patent number 11,339,658
- Issue date May 24, 2022
- China University of Mining and Technology
- Nan Zhou
- E21 - EARTH DRILLING MINING
Information Patent Grant
Monitoring device for deformation of locked patch crack of rock slo...
- Patent number 11,319,810
- Issue date May 3, 2022
- China University of Geosciences (Wuhan)
- Huiming Tang
- E21 - EARTH DRILLING MINING
Information Patent Grant
Internally injected replacement support room-type coal pillar recov...
- Patent number 11,313,226
- Issue date Apr 26, 2022
- China University of Mining and Technology
- Nan Zhou
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Inclined shaft continuous feeding system for solid filling materials
- Patent number 11,192,724
- Issue date Dec 7, 2021
- Xiexing Miao
- B61 - RAILWAYS
Information Patent Grant
Mine exploitation based on stoping, separation and filling control
- Patent number 11,143,025
- Issue date Oct 12, 2021
- China University of Mining and Technology
- Jixiong Zhang
- E21 - EARTH DRILLING MINING
Information Patent Grant
Polyamide foams which inhibit the spread of fires for filling cavit...
- Patent number 11,130,834
- Issue date Sep 28, 2021
- Construction Research & Technology GmbH
- Burkhard Walther
- E04 - BUILDING
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
Method for controlling subsidence area caused by underground mining...
- Patent number 11,085,296
- Issue date Aug 10, 2021
- China University of Mining and Technology
- Feng Ju
- 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
Systems and methods for detection of underground voids
- Patent number 10,995,616
- Issue date May 4, 2021
- Meir Bentura
- E21 - EARTH DRILLING MINING
Information Patent Grant
Closure methods for mines
- Patent number 10,960,444
- Issue date Mar 30, 2021
- Karl William Yost
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method for mining ultra-thick coal seam by utilizing goaf solid bac...
- Patent number 10,876,403
- Issue date Dec 29, 2020
- Xiexing Miao
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR RECOVERING RESIDUAL COAL PILLARS BY FREEZING WATER ACCUM...
- Publication number 20250163804
- Publication date May 22, 2025
- Taiyuan University of Technology
- Jun GUO
- E21 - EARTH DRILLING MINING
Information Patent Application
STORAGE OF ORGANIC MATERIAL IN BOGS TO REDUCE CO2 IN THE ATMOSPHERE
- Publication number 20250100030
- Publication date Mar 27, 2025
- JARALA AS
- Tom Jacobsen
- B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information Patent Application
METHOD FOR REMINING RESIDUAL COAL PILLAR IN RESIDUAL MINING AREA BY...
- Publication number 20240301782
- Publication date Sep 12, 2024
- TAIYUAN UNIVERSITY OF TECHNOLOGY
- Guorui FENG
- E21 - EARTH DRILLING MINING
Information Patent Application
SYSTEM AND METHOD FOR STABILIZING A MINE
- Publication number 20240125235
- Publication date Apr 18, 2024
- Drill Tech Drilling & Shoring, Inc.
- Patrick Hugh Carr
- E21 - EARTH DRILLING MINING
Information Patent Application
UNDERGROUND MINING METHODS VIA BOREHOLES AND MULTILATERAL BLAST-HOLES
- Publication number 20240110478
- Publication date Apr 4, 2024
- Daniel B. Palmer
- E21 - EARTH DRILLING MINING
Information Patent Application
ISOLATED OVERBURDEN GROUTING FILLING METHOD FOR COAL GANGUE UNDERGR...
- Publication number 20240102343
- Publication date Mar 28, 2024
- CHINA UNIVERSITY OF MINING AND TECHNOLOGY
- Dayang XUAN
- E21 - EARTH DRILLING MINING
Information Patent Application
Plug for a Void, System and Method
- Publication number 20240093607
- Publication date Mar 21, 2024
- STRATA PRODUCTS WORLDWIDE, LLC
- Joshua Stephen Behling
- E21 - EARTH DRILLING MINING
Information Patent Application
FLUIDIZED COAL MINING METHOD FOR IMPLEMENTING CO2 UNDERGROUND STORAGE
- Publication number 20240035382
- Publication date Feb 1, 2024
- CHINA UNIVERSITY OF MINING AND TECHNOLOGY, BEIJING
- Yang JU
- E21 - EARTH DRILLING MINING
Information Patent Application
CONTINUOUS MINING AND DELAYED FILLING MINING METHOD FOR DEEP ORE BO...
- Publication number 20240003252
- Publication date Jan 4, 2024
- Shandong Gold Mining Co., Ltd.
- Mingde Zhu
- E21 - EARTH DRILLING MINING
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
METHOD FOR FILLING DEFORMABLE KARST CAVE
- Publication number 20230407746
- Publication date Dec 21, 2023
- SHANDONG UNIVERSITY
- Ke WU
- E21 - EARTH DRILLING MINING
Information Patent Application
COAL-BASED SOLID WASTE TRANSPORT AND FILLING INTEGRATED MACHINE MIN...
- Publication number 20230383653
- Publication date Nov 30, 2023
- Western Digital Technologies, Inc.
- Feisheng Feng
- E21 - EARTH DRILLING MINING
Information Patent Application
INTEGRATED METHOD FOR MINERALIZING AND SEQUESTRATING CARBON DIOXIDE...
- Publication number 20230358136
- Publication date Nov 9, 2023
- CHONGQING UNIVERSITY
- Binwei XIA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
A PROCESS FOR CONTROLLED IN-SITU COAL GASIFICATION AND A FILLING DE...
- Publication number 20230304387
- Publication date Sep 28, 2023
- JAYANT CHANDULAL MEHTA
- E21 - EARTH DRILLING MINING
Information Patent Application
MICROWAVE-MECHANICAL FLUIDIZATION MINING SYSTEM AND MINING METHOD F...
- Publication number 20230243259
- Publication date Aug 3, 2023
- NORTHEASTERN UNIVERSITY
- Xiating FENG
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
SYSTEMS AND METHODS FOR SUBTERRANEAN ENERGY STORAGE
- Publication number 20230243330
- Publication date Aug 3, 2023
- John Dane Rasmussen
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Application
BULKHEAD FOR FACILITATING BACKFILLING OF A STOPE UPON MINING THEREOF
- Publication number 20230167740
- Publication date Jun 1, 2023
- INNOVATIVE BLASTING TECHNOLOGIES PTY LTD
- Jollan KINGSLEY
- E21 - EARTH DRILLING MINING
Information Patent Application
METHOD FOR ECOLOGICAL FILLING WITH MIXED COAL GANGUE AND FLY ASH
- Publication number 20230097415
- Publication date Mar 30, 2023
- SHANXI UNIVERSITY
- Fangqin CHENG
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
Plug for a Void, System and Method
- Publication number 20220389817
- Publication date Dec 8, 2022
- STRATA PRODUCTS WORLDWIDE, LLC
- Joshua Stephen Behling
- E21 - EARTH DRILLING MINING
Information Patent Application
MULTI-FUNCTIONAL PLUGGING AGENT FOR COAL MINE AND PREPARATION METHO...
- Publication number 20220362599
- Publication date Nov 17, 2022
- Shandong University of Science and Technology
- Xiangming HU
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
DENDRITIC REVERSE UNDERGROUND MINING METHOD FOR THIN COAL SEAM AT E...
- Publication number 20220243590
- Publication date Aug 4, 2022
- CHINA UNIVERSITY OF MINING AND TECHNOLOGY
- Shuzhao CHEN
- E21 - EARTH DRILLING MINING
Information Patent Application
SYNERGISTIC MINING METHOD FOR UNDERGROUND MINING, SEPARATION AND FI...
- Publication number 20210404337
- Publication date Dec 30, 2021
- CHINA UNIVERSITY OF MINING AND TECHNOLOGY
- Nong ZHANG
- E21 - EARTH DRILLING MINING
Information Patent Application
METHOD FOR RECOVERING ROOM-TYPE COAL PILLARS BY CEMENTED FILLING OF...
- Publication number 20210355826
- Publication date Nov 18, 2021
- CHINA UNIVERSITY OF MINING AND TECHNOLOGY
- Nan Zhou
- E21 - EARTH DRILLING MINING
Information Patent Application
ZERO-GANGUE-DISCHARGE SHORT-WALL FACE PILLAR-FREE MINING METHOD
- Publication number 20210310356
- Publication date Oct 7, 2021
- CHINA UNIVERSITY OF MINING AND TECHNOLOGY
- Nong ZHANG
- 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
CLEAN AND EFFICIENT COAL MINING METHOD
- Publication number 20210189876
- Publication date Jun 24, 2021
- China University of Mining and Technology
- Nong Zhang
- E21 - EARTH DRILLING MINING
Information Patent Application
Method of Drilling Pathways to Mine for Solid Natural Resources fro...
- Publication number 20210180451
- Publication date Jun 17, 2021
- Jimmy Lynn Davis
- E21 - EARTH DRILLING MINING
Information Patent Application
CLOSURE METHODS FOR MINES
- Publication number 20210178437
- Publication date Jun 17, 2021
- Yost Brothers, LLC
- Karl William Yost
- B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information Patent Application
FEED APPARATUS AND METHOD FOR FEEDING CEMENT TO A CEMENT SILO
- Publication number 20210180454
- Publication date Jun 17, 2021
- SANDVIK MINING AND CONSTRUCTION OY
- Sami JARVENTAUSTA
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
MINE EXPLOITATION, SEPARATION AND FILING, AND X EXPLOITATION
- Publication number 20210148228
- Publication date May 20, 2021
- CHINA UNIVERSITY OF MINING AND TECHNOLOGY
- Jixiong ZHANG
- E21 - EARTH DRILLING MINING

Methods or devices for placing filling-up materials in underground workings

Industry

Parent Industries

Current Industry

Sub Industries

Patents Grantslast 30 patents

Method of segmented grouting for repairing aquifers in mining area

Systems and methods for subterranean energy storage

Underground mining methods via boreholes and multilateral blast-holes

I-patterned filling method for initial stage of coal mining based o...

Isolated overburden grouting filling method for coal gangue undergr...

Dendritic reverse underground mining method for thin coal seam at e...

Multi-energy complementary system for co-associated abandoned mine...

Method for filling deformable karst cave

Hazardous waste disposal using directional angled drilling

Plug for a void, system and method

Process for controlled in-situ coal gasification and a filling devi...

Method for ecological filling with mixed coal gangue and fly ash

Microwave-mechanical fluidization mining system and mining method f...

Closure methods for mines

Multi-functional plugging agent for coal mine and preparation metho...

Plug for a void, system and method

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

Method for recovering room-type coal pillars by cemented filling of...

Monitoring device for deformation of locked patch crack of rock slo...

Internally injected replacement support room-type coal pillar recov...

Inclined shaft continuous feeding system for solid filling materials

Mine exploitation based on stoping, separation and filling control

Polyamide foams which inhibit the spread of fires for filling cavit...

Method and an apparatus for creating a void for underground mining

Method for controlling subsidence area caused by underground mining...

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

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

Systems and methods for detection of underground voids

Closure methods for mines

Method for mining ultra-thick coal seam by utilizing goaf solid bac...

Patents Applicationslast 30 patents

METHOD FOR RECOVERING RESIDUAL COAL PILLARS BY FREEZING WATER ACCUM...

STORAGE OF ORGANIC MATERIAL IN BOGS TO REDUCE CO2 IN THE ATMOSPHERE

METHOD FOR REMINING RESIDUAL COAL PILLAR IN RESIDUAL MINING AREA BY...

SYSTEM AND METHOD FOR STABILIZING A MINE

UNDERGROUND MINING METHODS VIA BOREHOLES AND MULTILATERAL BLAST-HOLES

ISOLATED OVERBURDEN GROUTING FILLING METHOD FOR COAL GANGUE UNDERGR...

Plug for a Void, System and Method

FLUIDIZED COAL MINING METHOD FOR IMPLEMENTING CO2 UNDERGROUND STORAGE

CONTINUOUS MINING AND DELAYED FILLING MINING METHOD FOR DEEP ORE BO...

METHOD AND APPARATUS FOR USE IN STOPE BACKFILL MINING

METHOD FOR FILLING DEFORMABLE KARST CAVE

COAL-BASED SOLID WASTE TRANSPORT AND FILLING INTEGRATED MACHINE MIN...

INTEGRATED METHOD FOR MINERALIZING AND SEQUESTRATING CARBON DIOXIDE...

A PROCESS FOR CONTROLLED IN-SITU COAL GASIFICATION AND A FILLING DE...

MICROWAVE-MECHANICAL FLUIDIZATION MINING SYSTEM AND MINING METHOD F...

SYSTEMS AND METHODS FOR SUBTERRANEAN ENERGY STORAGE

BULKHEAD FOR FACILITATING BACKFILLING OF A STOPE UPON MINING THEREOF

METHOD FOR ECOLOGICAL FILLING WITH MIXED COAL GANGUE AND FLY ASH

Plug for a Void, System and Method

MULTI-FUNCTIONAL PLUGGING AGENT FOR COAL MINE AND PREPARATION METHO...

DENDRITIC REVERSE UNDERGROUND MINING METHOD FOR THIN COAL SEAM AT E...

SYNERGISTIC MINING METHOD FOR UNDERGROUND MINING, SEPARATION AND FI...

METHOD FOR RECOVERING ROOM-TYPE COAL PILLARS BY CEMENTED FILLING OF...

ZERO-GANGUE-DISCHARGE SHORT-WALL FACE PILLAR-FREE MINING METHOD

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

CLEAN AND EFFICIENT COAL MINING METHOD

Method of Drilling Pathways to Mine for Solid Natural Resources fro...

CLOSURE METHODS FOR MINES

FEED APPARATUS AND METHOD FOR FEEDING CEMENT TO A CEMENT SILO

MINE EXPLOITATION, SEPARATION AND FILING, AND X EXPLOITATION