characterised by the kind or composition of the backfilling material

Industry

CPC
E21F15/005

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

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

E21F15/005characterised by the kind or composition of the backfilling material

Industries

Patents Grantslast 30 patents

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
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
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
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
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
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
Information Patent Grant
Plug for a void, system and method
- Patent number 10,851,652
- Issue date Dec 1, 2020
- Strata Products Worldwide, LLC
- Joshua Stephen Behling
- 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
Plug for a void, system and method
- Patent number 10,550,695
- Issue date Feb 4, 2020
- Strata Products Worldwide, LLC
- Joshua Stephen Behling
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method for efficiently treating spontaneous ignition of remaining c...
- Patent number 9,869,178
- Issue date Jan 16, 2018
- China University of Mining and Technology
- Botao Qin
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Grant
Mining system with sustainable energy reservoir legacy
- Patent number 9,605,878
- Issue date Mar 28, 2017
- George E. Gerpheide
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
System and method for treating an excavation activity
- Patent number 8,985,902
- Issue date Mar 24, 2015
- Golder Associates, Inc.
- James J. Gusek
- B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
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
Method for saturating cavities present in a mass of soil or in a bo...
- Patent number 7,645,097
- Issue date Jan 12, 2010
- Uretek S.r.l.
- Carlo Canteri
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method for filling voids with aggregate material
- Patent number 6,695,543
- Issue date Feb 24, 2004
- Stephens Patrick J.
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Transport of solid particulates
- Patent number 6,586,497
- Issue date Jul 1, 2003
- MBT HoldingAG
- Frank T. Gay
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Binder for mine tailings
- Patent number 6,402,833
- Issue date Jun 11, 2002
- Lafarge Canada Inc.
- Brian O'Hearn
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Backfilling underground voids
- Patent number 6,322,292
- Issue date Nov 27, 2001
- Lloyd P. Zenari
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Method for filling voids with aggregate material
- Patent number 6,322,293
- Issue date Nov 27, 2001
- Patrick J. Stephens
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

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
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 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
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
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
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
PASTE FOR USE IN MINING PROCESSES
- Publication number 20210139373
- Publication date May 13, 2021
- Yen-Jui Ting
- E21 - EARTH DRILLING MINING
Information Patent Application
Plug for a Void, System and Method
- Publication number 20210115793
- Publication date Apr 22, 2021
- STRATA PRODUCTS WORLDWIDE, LLC
- Joshua Stephen Behling
- E21 - EARTH DRILLING MINING
Information Patent Application
MINE EXPLOITATION BASED ON STOPING, SEPARATION AND FILLING CONTROL
- Publication number 20200408094
- Publication date Dec 31, 2020
- CHINA UNIVERSITY OF MINING AND TECHNOLOGY
- Jixiong ZHANG
- E21 - EARTH DRILLING MINING
Information Patent Application
Method of Surface Borehole Mining Using Horizontal Drilling Techniques
- Publication number 20200190907
- Publication date Jun 18, 2020
- Denison Mines Corp.
- Peter LONGO
- E21 - EARTH DRILLING MINING
Information Patent Application
Methods and systems for foam mine fill
- Publication number 20200116022
- Publication date Apr 16, 2020
- The Royal Institution for the advancement of Learning/McGill University
- Faramarz HASSANI
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
Plug for a Void, System and Method
- Publication number 20200049008
- Publication date Feb 13, 2020
- STRATA PRODUCTS WORLDWIDE, LLC
- Joshua Stephen Behling
- E21 - EARTH DRILLING MINING
Information Patent Application
METHOD FOR MINING ULTRA-THICK COAL SEAM BY UTILIZING GOAF SOLID BAC...
- Publication number 20200040727
- Publication date Feb 6, 2020
- Xiexing MIAO
- E21 - EARTH DRILLING MINING
Information Patent Application
Plug for a Void, System and Method
- Publication number 20190368352
- Publication date Dec 5, 2019
- STRATA PRODUCTS WORLDWIDE, LLC
- Joshua Stephen Behling
- 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
CLOSURE METHODS FOR MINES
- Publication number 20190308229
- Publication date Oct 10, 2019
- Karl William Yost
- B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information Patent Application
POLYAMIDE FOAMS WHICH INHIBIT THE SPREAD OF FIRES FOR FILLING CAVIT...
- Publication number 20190211137
- Publication date Jul 11, 2019
- Construction Research & Technology GmbH
- Burkhard WALTHER
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
FEED APPARATUS AND METHOD FOR FEEDING CEMENT TO A CEMENT SILO
- Publication number 20190024509
- Publication date Jan 24, 2019
- SANDVIK MINING AND CONSTRUCTION OY
- Sami JARVENTAUSTA
- E21 - EARTH DRILLING MINING

characterised by the kind or composition of the backfilling material

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

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

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

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...

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

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

Closure methods for mines

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

Plug for a void, system and method

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

Plug for a void, system and method

Method for efficiently treating spontaneous ignition of remaining c...

Mining system with sustainable energy reservoir legacy

System and method for treating an excavation activity

Stowing method for goaf of potash salt ore

Method for saturating cavities present in a mass of soil or in a bo...

Method for filling voids with aggregate material

Transport of solid particulates

Binder for mine tailings

Backfilling underground voids

Method for filling voids with aggregate material

Patents Applicationslast 30 patents

SYSTEM AND METHOD FOR STABILIZING A MINE

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 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...

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...

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

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

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

PASTE FOR USE IN MINING PROCESSES

Plug for a Void, System and Method

MINE EXPLOITATION BASED ON STOPING, SEPARATION AND FILLING CONTROL

Method of Surface Borehole Mining Using Horizontal Drilling Techniques

Methods and systems for foam mine fill

Plug for a Void, System and Method

METHOD FOR MINING ULTRA-THICK COAL SEAM BY UTILIZING GOAF SOLID BAC...

Plug for a Void, System and Method

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

CLOSURE METHODS FOR MINES

POLYAMIDE FOAMS WHICH INHIBIT THE SPREAD OF FIRES FOR FILLING CAVIT...

FEED APPARATUS AND METHOD FOR FEEDING CEMENT TO A CEMENT SILO