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using hydraulic or pneumatic conveying means
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CPC
E21D9/13
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Parent Industries
E
FIXED CONSTRUCTIONS
E21
Mining
E21D
SHAFTS TUNNELS GALLERIES LARGE UNDERGROUND CHAMBERS
E21D9/00
Tunnels or galleries, with or without linings Methods or apparatus for making thereof Layout of tunnels or galleries
Current Industry
E21D9/13
using hydraulic or pneumatic conveying means
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Patents Grants
last 30 patents
Information
Patent Grant
Tunnel boring system
Patent number
11,591,909
Issue date
Feb 28, 2023
EarthGrid PBC
Troy Anthony Helming
E21 - EARTH DRILLING MINING
Information
Patent Grant
Tunnel boring system
Patent number
11,136,886
Issue date
Oct 5, 2021
EarthGrid PBC
Troy Anthony Helming
E21 - EARTH DRILLING MINING
Information
Patent Grant
Tunnel boring device and system for the hydraulic removal of cuttin...
Patent number
11,118,454
Issue date
Sep 14, 2021
Herrenknecht AG
Tobias Gerhardt
E21 - EARTH DRILLING MINING
Information
Patent Grant
Automated device for drilling a hole in the vault and walls of a tu...
Patent number
10,480,319
Issue date
Nov 19, 2019
Bouygues Travaux Publics
Jerome Furge
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Grant
Device, system and method for reinforcing a tunnel
Patent number
9,840,913
Issue date
Dec 12, 2017
X Development LLC
Gabriella Levine
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and device for transporting overburden away during tunnelling
Patent number
9,518,465
Issue date
Dec 13, 2016
Herrenknecht Aktiengesellschaft
Werner Burger
E21 - EARTH DRILLING MINING
Information
Patent Grant
Bore head for microbore operation
Patent number
7,651,170
Issue date
Jan 26, 2010
Rodney John Davies
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and means for processing oil sands while excavating
Patent number
7,461,901
Issue date
Dec 9, 2008
OSUM Oil Sands Corp.
Ronald D. Drake
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and means for processing oil sands while excavating
Patent number
7,448,692
Issue date
Nov 11, 2008
OSUM Oil Sands.Corp
Ronald D. Drake
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and means for recovering hydrocarbons from oil sands by unde...
Patent number
7,192,092
Issue date
Mar 20, 2007
Oil Sands Underground Mining Corporation
John David Watson
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and means for recovering hydrocarbons from oil sands by unde...
Patent number
7,128,375
Issue date
Oct 31, 2006
Oil Stands Underground Mining Corp.
John David Watson
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and means for processing oil sands while excavating
Patent number
7,097,255
Issue date
Aug 29, 2006
Oil Sands Underground Mining Corp.
Ronald D. Drake
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method of constructing underground gallery by using pneumatic trans...
Patent number
7,063,657
Issue date
Jun 20, 2006
Kajima Corporation
Kazuo Okutsu
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Grant
Jet excavating device
Patent number
6,385,868
Issue date
May 14, 2002
Heerema Holding Construction Inc.
Rogier Cristian Koene
E21 - EARTH DRILLING MINING
Information
Patent Grant
Hydraulic muck handling system for tunnel boring machine
Patent number
6,142,577
Issue date
Nov 7, 2000
Hitachi Construction Machinery Co., Ltd.
Minoru Tayama
E21 - EARTH DRILLING MINING
Information
Patent Grant
System, method and cutterhead for dry full-area drilling
Patent number
5,803,195
Issue date
Sep 8, 1998
Kroll-Disab AB
Karl Thorbjorn Haugen
E21 - EARTH DRILLING MINING
Information
Patent Grant
Device for driving a tunnel or drain pipe
Patent number
5,749,678
Issue date
May 12, 1998
Putzmeister-Werk Maschinenfabrik GmbH
Rolf Dose
E21 - EARTH DRILLING MINING
Information
Patent Grant
Tunneling machine having liquid balance low flow slurry system
Patent number
5,203,614
Issue date
Apr 20, 1993
The Robbins Company
Richard J. Robbins
E21 - EARTH DRILLING MINING
Information
Patent Grant
Mobile pumping installation
Patent number
4,934,874
Issue date
Jun 19, 1990
Saarbergwerke A.G.
Johannes Kleer
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Method for removal of broken ground
Patent number
4,900,191
Issue date
Feb 13, 1990
Karl Schlecht
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Excavated earth and sand transporting apparatus for use in a shield...
Patent number
4,846,606
Issue date
Jul 11, 1989
Kabushiki Kaisha Komatsu Seisakusho
Masao Fukada
E21 - EARTH DRILLING MINING
Information
Patent Grant
Shield type tunneling apparatus
Patent number
4,818,026
Issue date
Apr 4, 1989
Kabushiki Kaisha Komatsu Seisakusho
Toshihiro Yamazaki
E21 - EARTH DRILLING MINING
Information
Patent Grant
Tunneling machine
Patent number
4,629,255
Issue date
Dec 16, 1986
Hochtief Aktiengesellschaft Vorm. Gebr. Helfmann
Siegmund Babendererde
E21 - EARTH DRILLING MINING
Information
Patent Grant
Cutting appliances for use in tunnel driving operations
Patent number
4,556,256
Issue date
Dec 3, 1985
Gewerkschaft Eisenhutte Westfalia
Hans G. Follert
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Excavating and propelling machine for laying pipelines underground
Patent number
4,534,676
Issue date
Aug 13, 1985
Kabushiki Kaisha Komatsu Seisakusho
Hiroshi Saito
E21 - EARTH DRILLING MINING
Information
Patent Grant
Shield tunneling method and machine therefor
Patent number
4,406,498
Issue date
Sep 27, 1983
Kabushiki Kaisha Iseki Kaihatsu Koki
Toshio Akesaka
E21 - EARTH DRILLING MINING
Information
Patent Grant
Driving shield
Patent number
4,368,924
Issue date
Jan 18, 1983
Ed. Zublin Aktiengesellschaft
Manfred Nussbaumer
E21 - EARTH DRILLING MINING
Information
Patent Grant
Pneumatic separating system for continuous mining machine
Patent number
4,305,620
Issue date
Dec 15, 1981
Gwyn G. Hart
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Tunnelling apparatus
Patent number
4,298,230
Issue date
Nov 3, 1981
Philipp Holzmann Aktiengesellschaft
Wilfried Krabbe
E21 - EARTH DRILLING MINING
Information
Patent Grant
Device for removing gravels and the like from discharged mud in hyd...
Patent number
4,116,487
Issue date
Sep 26, 1978
Tekken Construction Co. Ltd.
Hironobu Yamazaki
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
Plasma Drilling System
Publication number
20230203948
Publication date
Jun 29, 2023
EarthGrid PBC
Troy Anthony Helming
E21 - EARTH DRILLING MINING
Information
Patent Application
Tunnel Boring System
Publication number
20220220851
Publication date
Jul 14, 2022
EarthGrid PBC
Troy Anthony Helming
E21 - EARTH DRILLING MINING
Information
Patent Application
SQUEEZING DEVICE FOR UNDERGROUND PROJECT
Publication number
20190048718
Publication date
Feb 14, 2019
QINGDAO JINGLI ENGINEERING CO,. LTD.
Muhu Ouyang
E21 - EARTH DRILLING MINING
Information
Patent Application
AUTOMATED DEVICE FOR DRILLING A HOLE IN THE VAULT AND WALLS OF A TU...
Publication number
20180080322
Publication date
Mar 22, 2018
BOUYGUES TRAVAUX PUBLICS
Jerome FURGE
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Application
METHOD AND DEVICE FOR TRANSPORTING OVERBURDEN AWAY DURING TUNNELLING
Publication number
20150233243
Publication date
Aug 20, 2015
Herrenknecht Aktiengesellschaft
Werner Burger
E21 - EARTH DRILLING MINING
Information
Patent Application
BORE HEAD FOR MICROBORE OPERATION
Publication number
20080099248
Publication date
May 1, 2008
Rodney John Davies
E21 - EARTH DRILLING MINING
Information
Patent Application
METHOD AND MEANS FOR PROCESSING OIL SANDS WHILE EXCAVATING
Publication number
20070085409
Publication date
Apr 19, 2007
OIL SANDS UNDERGROUND MINING CORP.
Ronald D. Drake
E21 - EARTH DRILLING MINING
Information
Patent Application
Method and means for recovering hydrocarbons from oil sands by unde...
Publication number
20050218711
Publication date
Oct 6, 2005
Oil Sands Underground Mining, Inc.
John David Watson
E21 - EARTH DRILLING MINING
Information
Patent Application
Method and means for processing oil sands while excavating
Publication number
20050093361
Publication date
May 5, 2005
Oil Sands Underground Mining, Inc.
Ronald D. Drake
E21 - EARTH DRILLING MINING
Information
Patent Application
Method of constructing underground gallery by using pneumatic trans...
Publication number
20050004416
Publication date
Jan 6, 2005
Kazuo Okutsu
E21 - EARTH DRILLING MINING
Information
Patent Application
Method and means for recovering hydrocarbons from oil sands by unde...
Publication number
20040262980
Publication date
Dec 30, 2004
John David Watson
E21 - EARTH DRILLING MINING
Information
Patent Application
Mining system
Publication number
20030173818
Publication date
Sep 18, 2003
Aaron James Trevis
E21 - EARTH DRILLING MINING
Information
Patent Application
Method and means for processing oil sands while excavating
Publication number
20030160500
Publication date
Aug 28, 2003
Ronald D. Drake
E21 - EARTH DRILLING MINING
Information
Patent Application
Jet excavating device
Publication number
20010035674
Publication date
Nov 1, 2001
HEEREMA HOLDING CONSTRUCTION INC.
Rogier Cristian Koene
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC