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with brick, concrete, stone, or similar building materials
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Industry
CPC
E21D5/04
This industry / category may be too specific. Please go to a parent level for more data
Parent Industries
E
FIXED CONSTRUCTIONS
E21
Mining
E21D
SHAFTS TUNNELS GALLERIES LARGE UNDERGROUND CHAMBERS
E21D5/00
Lining shafts Linings therefor
Current Industry
E21D5/04
with brick, concrete, stone, or similar building materials
Industries
Overview
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Shuttering with supporting ring having expendable drawers
Patent number
11,512,591
Issue date
Nov 29, 2022
REDPATH DEILMANN GmbH
Werner Siedentopf
E21 - EARTH DRILLING MINING
Information
Patent Grant
Shaft enlargement arrangement for a boring system
Patent number
10,697,246
Issue date
Jun 30, 2020
MASTER DRILLING SOUTH AFRICA (PTY) LTD.
Nikolaus Kleuters
E21 - EARTH DRILLING MINING
Information
Patent Grant
Center-pillared full-face shaft drilling machine
Patent number
9,995,086
Issue date
Jun 12, 2018
Hua Zhao
E21 - EARTH DRILLING MINING
Information
Patent Grant
Formwork system
Patent number
9,945,229
Issue date
Apr 17, 2018
Annalisa Kern
E21 - EARTH DRILLING MINING
Information
Patent Grant
Retainment wall for underground mine and method of construction
Patent number
9,617,705
Issue date
Apr 11, 2017
Sturda, Inc
John J. Breedlove
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Earth boring system
Patent number
7,293,615
Issue date
Nov 13, 2007
J.S. Redpath Limited
Morris J. Medd
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and machine for constructing shafts
Patent number
5,022,789
Issue date
Jun 11, 1991
Shimizu Construction Co., Ltd.
Akira Miyazaki
E21 - EARTH DRILLING MINING
Information
Patent Grant
Apparatus and method for lining bore holes with pre-formed lining s...
Patent number
4,890,676
Issue date
Jan 2, 1990
Caledonian Mining Co. Ltd.
Benjamin Mason
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and system for lining shafts
Patent number
4,473,322
Issue date
Sep 25, 1984
H. Vance Echols
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method of lining a vertical mine shaft with concrete
Patent number
4,270,876
Issue date
Jun 2, 1981
The United States of America as represented by the United States Department o...
James D. Eklund
E21 - EARTH DRILLING MINING
Information
Patent Grant
Slipforming method and apparatus for in situ lining of an upwardly...
Patent number
4,055,958
Issue date
Nov 1, 1977
Raymond A. Hanson
E21 - EARTH DRILLING MINING
Information
Patent Grant
Slipforming method and apparatus for in situ lining of an upwardly...
Patent number
4,031,708
Issue date
Jun 28, 1977
Raymond A. Hanson
E21 - EARTH DRILLING MINING
Information
Patent Grant
3435619
Patent number
3,435,619
Issue date
Apr 1, 1969
E21 - EARTH DRILLING MINING
Information
Patent Grant
2057524
Patent number
2,057,524
Issue date
Oct 13, 1936
E21 - EARTH DRILLING MINING
Information
Patent Grant
1969811
Patent number
1,969,811
Issue date
Aug 14, 1934
E21 - EARTH DRILLING MINING
Information
Patent Grant
1886745
Patent number
1,886,745
Issue date
Nov 8, 1932
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
SHUTTERING WITH SUPPORTING RING HAVING EXTENDABLE DRAWERS
Publication number
20220010679
Publication date
Jan 13, 2022
REDPATH DEILMANN GmbH
Werner SIEDENTOPF
E21 - EARTH DRILLING MINING
Information
Patent Application
SHAFT ENLARGEMENT ARRANGEMENT FOR A BORING SYSTEM
Publication number
20180010392
Publication date
Jan 11, 2018
Masters Sinkers (PTY) Ltd.
Nikolaus Kleuters
E21 - EARTH DRILLING MINING
Information
Patent Application
Formwork System
Publication number
20170254202
Publication date
Sep 7, 2017
KERN Tunneltechnik SA
Annalisa Kern
E21 - EARTH DRILLING MINING
Information
Patent Application
RETAINMENT WALL FOR UNDERGROUND MINE AND METHOD OF CONSTRUCTION
Publication number
20160333543
Publication date
Nov 17, 2016
Sturda, Inc.
John J. Breedlove
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
Earth boring system
Publication number
20050189105
Publication date
Sep 1, 2005
Morris J. Medd
E21 - EARTH DRILLING MINING