Driving inclined tunnels or galleries

Industry

CPC
E21D9/02

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Parent Industries

EFIXED CONSTRUCTIONS E21Mining E21DSHAFTS TUNNELS GALLERIES LARGE UNDERGROUND CHAMBERS E21D9/00Tunnels or galleries, with or without linings Methods or apparatus for making thereof Layout of tunnels or galleries

Current Industry

E21D9/02Driving inclined tunnels or galleries

Industries

Patents Grantslast 30 patents

Information Patent Grant
Split air cabin ventilation system for construction of tunnel incli...
- Patent number 11,674,392
- Issue date Jun 13, 2023
- CHINA RAILWAY BEIJING ENGINEERING GROUP CO., LTD
- Shuangqin Chen
- E21 - EARTH DRILLING MINING
Information Patent Grant
Hydro-electric site and method for constructing a penstock
- Patent number 10,486,717
- Issue date Nov 26, 2019
- MINRAIL INC.
- Marc R. Beauvais
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Mining site having a shallow angle extraction shaft, shallow angle...
- Patent number 10,196,072
- Issue date Feb 5, 2019
- MINRAIL INC.
- Marc R. Beauvais
- B61 - RAILWAYS
Information Patent Grant
Overhead rail system having chariots moving longitudinally along th...
- Patent number 10,017,190
- Issue date Jul 10, 2018
- MINRAIL INC.
- Marc R. Beauvais
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Tunneling apparatus
- Patent number 9,506,344
- Issue date Nov 29, 2016
- Vermeer Manufacturing Company
- Stuart Harrison
- E21 - EARTH DRILLING MINING
Information Patent Grant
Tunnel excavator
- Patent number 5,931,601
- Issue date Aug 3, 1999
- Komatsu Ltd.
- Shinichi Terada
- E21 - EARTH DRILLING MINING
Information Patent Grant
Working platform for a drilling apparatus
- Patent number 4,527,640
- Issue date Jul 9, 1985
- Oy Tampella AB
- Aimo Sainio
- E21 - EARTH DRILLING MINING
Information Patent Grant
Underground rock chutes
- Patent number 4,371,289
- Issue date Feb 1, 1983
- Gold Fields Mining and Development Limited
- David F. Odendaal
- E21 - EARTH DRILLING MINING
Information Patent Grant
3830338
- Patent number 3,830,338
- Issue date Aug 20, 1974
- E21 - EARTH DRILLING MINING
Information Patent Grant
3695718
- Patent number 3,695,718
- Issue date Oct 3, 1972
- E21 - EARTH DRILLING MINING
Information Patent Grant
3675433
- Patent number 3,675,433
- Issue date Jul 11, 1972
- E21 - EARTH DRILLING MINING
Information Patent Grant
3642326
- Patent number 3,642,326
- Issue date Feb 15, 1972
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
System and Method for Preventing an Explosion of a Caldera
- Publication number 20190242255
- Publication date Aug 8, 2019
- Igor Boris Mashinsky
- E21 - EARTH DRILLING MINING
Information Patent Application
HYDRO-ELECTRIC SITE AND METHOD FOR CONSTRUCTING A PENSTOCK
- Publication number 20190161094
- Publication date May 30, 2019
- MINRAIL INC.
- Marc R. BEAUVAIS
- B61 - RAILWAYS
Information Patent Application
TUNNELING APPARATUS
- Publication number 20140219725
- Publication date Aug 7, 2014
- Vermeer Manufacturing Company
- Stuart Harrison
- E21 - EARTH DRILLING MINING

Driving inclined tunnels or galleries

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Split air cabin ventilation system for construction of tunnel incli...

Hydro-electric site and method for constructing a penstock

Mining site having a shallow angle extraction shaft, shallow angle...

Overhead rail system having chariots moving longitudinally along th...

Tunneling apparatus

Tunnel excavator

Working platform for a drilling apparatus

Underground rock chutes

3830338

3695718

3675433

3642326

Patents Applicationslast 30 patents

System and Method for Preventing an Explosion of a Caldera

HYDRO-ELECTRIC SITE AND METHOD FOR CONSTRUCTING A PENSTOCK

TUNNELING APPARATUS