Supporting means for arch members, not provided for in E21D11/22

Industry

CPC
E21D11/183

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

Parent Industries

EFIXED CONSTRUCTIONS E21Mining E21DSHAFTS TUNNELS GALLERIES LARGE UNDERGROUND CHAMBERS E21D11/00Lining tunnels, galleries or other underground cavities

Current Industry

E21D11/183Supporting means for arch members, not provided for in E21D11/22

Industries

Please log in for detailed analytics

Patents Grantslast 30 patents

Information Patent Grant
Inflatable folding tunnel reinforcement structure and construction...
- Patent number 11,988,093
- Issue date May 21, 2024
- HANGZHOU CITY UNIVERSITY
- Gang Wei
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method of treating tunnel collapse with roof-contacted shield support
- Patent number 11,248,464
- Issue date Feb 15, 2022
- Shandong University of Science and Technology
- Lin Xin
- E21 - EARTH DRILLING MINING
Information Patent Grant
Reinforcement system for the concrete lining of the inner shell of...
- Patent number 11,180,994
- Issue date Nov 23, 2021
- BAG BAUARTIKEL GMBH
- Martin Heymann
- E21 - EARTH DRILLING MINING
Information Patent Grant
High-strength confined concrete support system for underground tunnel
- Patent number 10,415,387
- Issue date Sep 17, 2019
- Shandong University
- Shucai Li
- E21 - EARTH DRILLING MINING
Information Patent Grant
Underground mining rib support system and method
- Patent number 9,145,769
- Issue date Sep 29, 2015
- Michael Hall Lee
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Mine roadway support stilt
- Patent number 4,382,721
- Issue date May 10, 1983
- Holywell Engineering Limited
- Norman S. King
- E21 - EARTH DRILLING MINING
Information Patent Grant
3576793
- Patent number 3,576,793
- Issue date Apr 27, 1971
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3544509
- Patent number 3,544,509
- Issue date Dec 1, 1970
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3413812
- Patent number 3,413,812
- Issue date Dec 3, 1968
- E21 - EARTH DRILLING MINING
Information Patent Grant
3413813
- Patent number 3,413,813
- Issue date Dec 3, 1968
- E21 - EARTH DRILLING MINING
Information Patent Grant
3318099
- Patent number 3,318,099
- Issue date May 9, 1967
- E21 - EARTH DRILLING MINING
Information Patent Grant
3126708
- Patent number 3,126,708
- Issue date Mar 31, 1964
- E21 - EARTH DRILLING MINING
Information Patent Grant
2749713
- Patent number 2,749,713
- Issue date Jun 12, 1956
- E21 - EARTH DRILLING MINING
Information Patent Grant
2036490
- Patent number 2,036,490
- Issue date Apr 7, 1936
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Inflatable folding tunnel reinforcement structure and construction...
- Publication number 20240076984
- Publication date Mar 7, 2024
- HANGZHOU CITY UNIVERSITY
- Gang WEI
- E21 - EARTH DRILLING MINING
Information Patent Application
METHOD OF TREATING TUNNEL COLLAPSE WITH ROOF-CONTACTED SHIELD SUPPORT
- Publication number 20210355828
- Publication date Nov 18, 2021
- SHANDONG UNIVERSITY OF SCIENCE AND TECHNOLOGY
- Lin XIN
- E21 - EARTH DRILLING MINING
Information Patent Application
REINFORCEMENT SYSTEM FOR THE CONCRETE LINING OF THE INNER SHELL OF...
- Publication number 20200284147
- Publication date Sep 10, 2020
- Martin HEYMANN
- E21 - EARTH DRILLING MINING
Information Patent Application
HIGH-STRENGTH CONFINED CONCRETE SUPPORT SYSTEM FOR UNDERGROUND TUNNEL
- Publication number 20180291736
- Publication date Oct 11, 2018
- Shandong University
- Shucai LI
- E21 - EARTH DRILLING MINING
Information Patent Application
UNDERGROUND MINING RIB SUPPORT SYSTEM AND METHOD
- Publication number 20130017022
- Publication date Jan 17, 2013
- Michael H. LEE
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Supporting means for arch members, not provided for in E21D11/22

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Inflatable folding tunnel reinforcement structure and construction...

Method of treating tunnel collapse with roof-contacted shield support

Reinforcement system for the concrete lining of the inner shell of...

High-strength confined concrete support system for underground tunnel

Underground mining rib support system and method

Mine roadway support stilt

3576793

3544509

3413812

3413813

3318099

3126708

2749713

2036490

Patents Applicationslast 30 patents

Inflatable folding tunnel reinforcement structure and construction...

METHOD OF TREATING TUNNEL COLLAPSE WITH ROOF-CONTACTED SHIELD SUPPORT

REINFORCEMENT SYSTEM FOR THE CONCRETE LINING OF THE INNER SHELL OF...

HIGH-STRENGTH CONFINED CONCRETE SUPPORT SYSTEM FOR UNDERGROUND TUNNEL

UNDERGROUND MINING RIB SUPPORT SYSTEM AND METHOD