of tunnels

Industry

CPC
E21F16/02

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 E21F16/00Drainage

Current Industry

E21F16/02of tunnels

Industries

Patents Grantslast 30 patents

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
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
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
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
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
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
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
Method and an apparatus for producing a draining channel
- Patent number 3,990,249
- Issue date Nov 9, 1976
- Georg Senn
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
3620024
- Patent number 3,620,024
- Issue date Nov 16, 1971
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

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
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
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
SHIELDED DRAINING PIPE MESH
- Publication number 20160061034
- Publication date Mar 3, 2016
- Lars JÖNSSON
- E21 - EARTH DRILLING MINING
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 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

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

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

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

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

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

Mine dewatering system and method

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

Silicon carbide reinforced silicon carbide composite

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

Insulating tunnel liner system

Method and an apparatus for producing a draining channel

3620024

Patents Applicationslast 30 patents

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

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

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

SHIELDED DRAINING PIPE MESH

Mine Dewatering System And Method

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