Drainage

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CPC
E21F16/00

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Industries

Patents Grantslast 30 patents

Information Patent Grant
Mining method without coal pillars with roof-cutting and roadway re...
- Patent number 12,168,931
- Issue date Dec 17, 2024
- CHINA UNIVERSITY OF MINING & TECHNOLOGY, BEIJING
- Jiong Wang
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method for dewatering coal mine goaf by crossing neighboring goaf
- Patent number 12,146,410
- Issue date Nov 19, 2024
- PING AN COAL MINING ENGINEERING TECHNOLOGY RESEARCH INSTITUTE CO., LTD
- Qingfa Liao
- E21 - EARTH DRILLING MINING
Information Patent Grant
Tracer diffusion device, system for tracing development of water co...
- Patent number 12,091,971
- Issue date Sep 17, 2024
- CHINA UNIVERISTY OF MINING AND TECHNOLOGY, BEIJING
- Yifan Zeng
- E21 - EARTH DRILLING MINING
Information Patent Grant
Blockage-proof water diversion and drainage devices for highway tun...
- Patent number 12,084,973
- Issue date Sep 10, 2024
- Northwest Institute of Eco-Environment and Resources, CAS
- Guoyu Li
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Flood protection for underground air vents
- Patent number 11,946,376
- Issue date Apr 2, 2024
- FLOODBREAK L.L.C.
- Louis A. Waters
- E21 - EARTH DRILLING MINING
Information Patent Grant
Brine extraction well system
- Patent number 11,933,179
- Issue date Mar 19, 2024
- GENESIS ALKALI WYOMING, LP
- Adam Clark Anderson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Ultra-long tunnel sewage disposal, separation and drainage structur...
- Patent number 11,753,937
- Issue date Sep 12, 2023
- CCCC Second Highway Consultants Co., Ltd.
- Yong Cheng
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method for constructing dam inside dump of inner-dump strip mine
- Patent number 11,674,393
- Issue date Jun 13, 2023
- China University of Mining and Technology
- Shuzhao Chen
- E21 - EARTH DRILLING MINING
Information Patent Grant
Tunnel adaptive lining structure in complex environment and constru...
- Patent number 11,499,427
- Issue date Nov 15, 2022
- China Institute of Water Resources and Hydropower Research
- Xiaogang Wang
- E21 - EARTH DRILLING MINING
Information Patent Grant
Liquid taking device and liquid taking method
- Patent number 11,242,752
- Issue date Feb 8, 2022
- Hongling Ma
- E21 - EARTH DRILLING MINING
Information Patent Grant
Draining mesh module and a method of operating a draining mesh in a...
- Patent number 10,871,070
- Issue date Dec 22, 2020
- Dolenco Group APS
- Johnny René Poulsen
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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
Fissured substrata water pumping apparatus and method
- Patent number 9,850,747
- Issue date Dec 26, 2017
- CHINA UNIVERSTIY OF MINING AND TECHNOLOGY
- Zhanguo Ma
- E21 - EARTH DRILLING MINING
Information Patent Grant
Mine dewatering system and method
- Patent number 9,822,641
- Issue date Nov 21, 2017
- WSP GLOBAL, INC.
- Jeremy Dowling
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Pump apparatus
- Patent number 9,759,056
- Issue date Sep 12, 2017
- Peter Smit
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Method for distributed storage and use of underground water in mine
- Patent number 9,371,185
- Issue date Jun 21, 2016
- China Shenhua Energy Company Limited
- Dazhao Gu
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Method of collecting hydrocarbons using a barrier tunnel
- Patent number 7,644,769
- Issue date Jan 12, 2010
- OSUM Oil Sands Corp.
- Michael H. Kobler
- E21 - EARTH DRILLING MINING
Information Patent Grant
Structure of intermediate wall of three arch excavated tunnel and m...
- Patent number 7,530,765
- Issue date May 12, 2009
- Dong-Hyung Seo
- E21 - EARTH DRILLING MINING
Information Patent Grant
Device and a method for drainage of water from rock caves
- Patent number 7,513,712
- Issue date Apr 7, 2009
- Giertsen Tunnel AS
- Alv Hanstvedt
- E21 - EARTH DRILLING MINING
Information Patent Grant
Waterproof cladding construction and method of providing the same
- Patent number 6,761,504
- Issue date Jul 13, 2004
- MBT Holding AG
- Rolf Brandenberger
- E21 - EARTH DRILLING MINING
Information Patent Grant
Installation for storing of natural gas
- Patent number 6,368,018
- Issue date Apr 9, 2002
- Sydkraft AB
- Jan Hugo Johansson
- F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information Patent Grant
Silicon carbide reinforced silicon carbide composite
- Patent number 6,245,424
- Issue date Jun 12, 2001
- Saint-Gobain Industrial Ceramics, Inc.
- Sai-Kwing Lau
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Process for making silicon carbide reinforced silicon carbide compo...
- Patent number 5,840,221
- Issue date Nov 24, 1998
- Saint Gobain/Norton Industrial Ceramics Corporation
- Sai-Kwing Lau
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Insulating tunnel liner system
- Patent number 5,470,178
- Issue date Nov 28, 1995
- Raymond L. Weholt
- E21 - EARTH DRILLING MINING
Information Patent Grant
Fluid pressure feeding apparatus
- Patent number 5,261,794
- Issue date Nov 16, 1993
- Hitachi, Ltd.
- Yukishige Kamino
- E21 - EARTH DRILLING MINING
Information Patent Grant
Dewatering screen manufacture and method thereof
- Patent number 4,634,045
- Issue date Jan 6, 1987
- Alan D. Baldwin
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method in the excavation of underground caverns in rock
- Patent number 4,572,707
- Issue date Feb 25, 1986
- Boliden Aktiebolag
- Ivar K. Sagefors
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for the filling of a slurry sump
- Patent number 4,359,298
- Issue date Nov 16, 1982
- Conoco Inc.
- Frederick A. Webb
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Method for dewatering a subterranean formation via a borehole
- Patent number 4,349,228
- Issue date Sep 14, 1982
- Consolidation Coal Company
- Edward C. Rohde
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method of using admixture of water-soluble polymers in latex form a...
- Patent number 4,300,861
- Issue date Nov 17, 1981
- Nalco Chemical Company
- Joseph F. Vartiak
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
TRACER DIFFUSION DEVICE, SYSTEM FOR TRACING DEVELOPMENT OF WATER CO...
- Publication number 20240141783
- Publication date May 2, 2024
- CHINA UNIVERSITY OF MINING & TECHNOLOGY, BEIJING
- Yifan ZENG
- E21 - EARTH DRILLING MINING
Information Patent Application
Mining Method Without Coal Pillars With Roof-Cutting And Roadway Re...
- Publication number 20230258083
- Publication date Aug 17, 2023
- CHINA UNIVERSITY OF MINING & TECHNOLOGY, BEIJING
- Jiong Wang
- E21 - EARTH DRILLING MINING
Information Patent Application
Brine Extraction Well System
- Publication number 20230228194
- Publication date Jul 20, 2023
- Genesis Alkali Wyoming, LP
- Adam Clark Anderson
- E21 - EARTH DRILLING MINING
Information Patent Application
METHOD FOR CONSTRUCTING DAM INSIDE DUMP OF INNER-DUMP STRIP MINE
- Publication number 20220333486
- Publication date Oct 20, 2022
- China University of Mining and Technology
- Shuzhao CHEN
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
Ultra-Long Tunnel Sewage Disposal, Separation and Drainage Structur...
- Publication number 20220316337
- Publication date Oct 6, 2022
- CCCC Second Highway Consultants Co., Ltd.
- Yong Cheng
- E21 - EARTH DRILLING MINING
Information Patent Application
FLOOD PROTECTION FOR UNDERGROUND AIR VENTS
- Publication number 20220268158
- Publication date Aug 25, 2022
- Floodbreak, L.L.C.
- Louis A. Waters
- E21 - EARTH DRILLING MINING
Information Patent Application
TUNNEL ADAPTIVE LINING STRUCTURE IN COMPLEX ENVIRONMENT AND CONSTRU...
- Publication number 20220120183
- Publication date Apr 21, 2022
- CHINA INSTITUTE OF WATER RESOURCES AND HYDROPOWER RESEARCH
- Xiaogang Wang
- E21 - EARTH DRILLING MINING
Information Patent Application
LIQUID TAKING DEVICE AND LIQUID TAKING METHOD
- Publication number 20200378257
- Publication date Dec 3, 2020
- Institute of Rock and Soil Mechanics, Chinese Academy of Sciences
- Hongling MA
- E21 - EARTH DRILLING MINING
Information Patent Application
A Draining Mesh Module and a Method of Operating a Draining Mesh in...
- Publication number 20190338641
- Publication date Nov 7, 2019
- Dolenco Group ApS
- Johnny René Poulsen
- E21 - EARTH DRILLING MINING
Information Patent Application
SYSTEM AND METHOD FOR FORMING A CAVITY IN A BACKFILLED STOPE
- Publication number 20190032486
- Publication date Jan 31, 2019
- Sturda Inc.
- Robert Lamond
- 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
SHIELDED DRAINING PIPE MESH
- Publication number 20160061034
- Publication date Mar 3, 2016
- Lars JÖNSSON
- E21 - EARTH DRILLING MINING
Information Patent Application
Underground Silo System for Storing Liquids
- Publication number 20150368892
- Publication date Dec 24, 2015
- Safieh Gorjan
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
PUMP APPARATUS
- Publication number 20140332095
- Publication date Nov 13, 2014
- WEIR MINERALS AUSTRALIA LTD
- Peter Smit
- B60 - VEHICLES IN GENERAL
Information Patent Application
Mine Dewatering System And Method
- Publication number 20130192822
- Publication date Aug 1, 2013
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Jeremy Dowling
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
Method and product for absorbing and consolidating nuisance water o...
- Publication number 20100189507
- Publication date Jul 29, 2010
- Duncan Hird
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Application
METHOD OF COLLECTING HYDROCARBONS USING A BARRIER TUNNEL
- Publication number 20080087422
- Publication date Apr 17, 2008
- OSUM OIL SANDS CORP.
- Michael H. Kobler
- E21 - EARTH DRILLING MINING
Information Patent Application
Structure of intermediate wall of three arch excavated tunnel and m...
- Publication number 20060165489
- Publication date Jul 27, 2006
- Dong-Hyun SEO
- Dong-Hyun Seo
- E21 - EARTH DRILLING MINING
Information Patent Application
Device and a method for drainage of water from rock caves
- Publication number 20050097845
- Publication date May 12, 2005
- Giertsen Tunnel AS
- Alv Hanstvedt
- E21 - EARTH DRILLING MINING
Information Patent Application
Installation for storing of natural gas
- Publication number 20010002969
- Publication date Jun 7, 2001
- Jan Hugo Johansson
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Industry

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Sub Industries

Patents Grantslast 30 patents

Mining method without coal pillars with roof-cutting and roadway re...

Method for dewatering coal mine goaf by crossing neighboring goaf

Tracer diffusion device, system for tracing development of water co...

Blockage-proof water diversion and drainage devices for highway tun...

Flood protection for underground air vents

Brine extraction well system

Ultra-long tunnel sewage disposal, separation and drainage structur...

Method for constructing dam inside dump of inner-dump strip mine

Tunnel adaptive lining structure in complex environment and constru...

Liquid taking device and liquid taking method

Draining mesh module and a method of operating a draining mesh in a...

System and method for forming a cavity in a backfilled stope

Fissured substrata water pumping apparatus and method

Mine dewatering system and method

Pump apparatus

Method for distributed storage and use of underground water in mine

Method of collecting hydrocarbons using a barrier tunnel

Structure of intermediate wall of three arch excavated tunnel and m...

Device and a method for drainage of water from rock caves

Waterproof cladding construction and method of providing the same

Installation for storing of natural gas

Silicon carbide reinforced silicon carbide composite

Process for making silicon carbide reinforced silicon carbide compo...

Insulating tunnel liner system

Fluid pressure feeding apparatus

Dewatering screen manufacture and method thereof

Method in the excavation of underground caverns in rock

Method and apparatus for the filling of a slurry sump

Method for dewatering a subterranean formation via a borehole

Method of using admixture of water-soluble polymers in latex form a...

Patents Applicationslast 30 patents

TRACER DIFFUSION DEVICE, SYSTEM FOR TRACING DEVELOPMENT OF WATER CO...

Mining Method Without Coal Pillars With Roof-Cutting And Roadway Re...

Brine Extraction Well System

METHOD FOR CONSTRUCTING DAM INSIDE DUMP OF INNER-DUMP STRIP MINE

Ultra-Long Tunnel Sewage Disposal, Separation and Drainage Structur...

FLOOD PROTECTION FOR UNDERGROUND AIR VENTS

TUNNEL ADAPTIVE LINING STRUCTURE IN COMPLEX ENVIRONMENT AND CONSTRU...

LIQUID TAKING DEVICE AND LIQUID TAKING METHOD

A Draining Mesh Module and a Method of Operating a Draining Mesh in...

SYSTEM AND METHOD FOR FORMING A CAVITY IN A BACKFILLED STOPE

A WELL SYSTEM

SHIELDED DRAINING PIPE MESH

Underground Silo System for Storing Liquids

PUMP APPARATUS

Mine Dewatering System And Method

Method and product for absorbing and consolidating nuisance water o...

METHOD OF COLLECTING HYDROCARBONS USING A BARRIER TUNNEL

Structure of intermediate wall of three arch excavated tunnel and m...

Device and a method for drainage of water from rock caves

Installation for storing of natural gas