Driving non-circular tunnels

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CPC
E21D9/03

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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

E21D9/03Driving non-circular tunnels

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Patents Grantslast 30 patents

Information Patent Grant
Method and system of constructing an underground tunnel
- Patent number 11,591,908
- Issue date Feb 28, 2023
- hyperTunnel IP Limited
- Stephen Jordan
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for forming tunnels for transport routes
- Patent number 10,337,326
- Issue date Jul 2, 2019
- James Crawford Thomson
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Patents Applicationslast 30 patents

Information Patent Application
Tunnel Tunneling System
- Publication number 20240240560
- Publication date Jul 18, 2024
- CCTEG TAIYUAN RESEARCH INSTITUTE
- Hong Wang
- E21 - EARTH DRILLING MINING
Information Patent Application
Tunnel Extraction Machine (TEM)
- Publication number 20240076983
- Publication date Mar 7, 2024
- TopEng Inc.
- Behzad Khorshidi
- E21 - EARTH DRILLING MINING
Information Patent Application
TUNNELLING SHIELD
- Publication number 20230193758
- Publication date Jun 22, 2023
- hyperTunnel IP Limited
- Steve Jordan
- E21 - EARTH DRILLING MINING
Information Patent Application
METHOD AND SYSTEM OF CONSTRUCTING AN UNDERGROUND TUNNEL
- Publication number 20230175395
- Publication date Jun 8, 2023
- hyperTunnel IP Limited
- Stephen Jordan
- E21 - EARTH DRILLING MINING
Information Patent Application
METHOD AND SYSTEM OF CONSTRUCTING AN UNDERGROUND TUNNEL
- Publication number 20220003115
- Publication date Jan 6, 2022
- hyperTunnel IP Limited
- Stephen Jordan
- E21 - EARTH DRILLING MINING
Information Patent Application
METHOD AND APPARATUS FOR FORMING TUNNELS FOR TRANSPORT ROUTES
- Publication number 20170342834
- Publication date Nov 30, 2017
- JAMES CRAWFORD THOMSON
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES