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CPC
E21D9/1073
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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
E21D9/1073
applying thermal energy
Industries
Overview
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Laser and mechanical boring
Patent number
12,037,909
Issue date
Jul 16, 2024
David Talcott
E21 - EARTH DRILLING MINING
Information
Patent Grant
Hard rock tunnel boring machine combining microwave heating with hi...
Patent number
12,031,437
Issue date
Jul 9, 2024
STATE KEY LABORATORY OF SHIELD MACHINE AND BORING TECHNOLOGY
Gaoming Lu
E21 - EARTH DRILLING MINING
Information
Patent Grant
Microwave plasma adaptive rock breaking device for micro wave-insen...
Patent number
11,732,582
Issue date
Aug 22, 2023
Northeastern University
Xiating Feng
E21 - EARTH DRILLING MINING
Information
Patent Grant
Systems and methods for non-contact boring
Patent number
11,680,485
Issue date
Jun 20, 2023
ArcByt, Inc.
Ian Wright
E21 - EARTH DRILLING MINING
Information
Patent Grant
Tunneling for underground power and pipelines
Patent number
11,655,680
Issue date
May 23, 2023
ArcByt, Inc.
Troy Anthony Helming
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method for boring with plasma
Patent number
11,598,209
Issue date
Mar 7, 2023
ArcByt, Inc.
Kimberly Abrams
E21 - EARTH DRILLING MINING
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
High power laser tunneling mining and construction equipment and me...
Patent number
11,590,606
Issue date
Feb 28, 2023
Foro Energy, Inc.
Brian O. Faircloth
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Systems and methods for non-contact boring
Patent number
11,492,904
Issue date
Nov 8, 2022
ArcByt, Inc.
Ian Wright
E21 - EARTH DRILLING MINING
Information
Patent Grant
Mining machine applicable to fluidized mining of ore bodies and min...
Patent number
11,261,732
Issue date
Mar 1, 2022
CHINA UNIVERSITY OF MINING & TECHNOLOGY, BEIJING
Yang Ju
E21 - EARTH DRILLING MINING
Information
Patent Grant
Tunneling for underground power and pipelines
Patent number
11,142,957
Issue date
Oct 12, 2021
Arcbyt, Inc.
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
Laser-assisted tunnel boring machine and rock fragmenting method th...
Patent number
10,648,334
Issue date
May 12, 2020
Dalian University of Technology
Zhengzheng Wang
E21 - EARTH DRILLING MINING
Information
Patent Grant
Tunneling for underground power and pipelines
Patent number
10,584,585
Issue date
Mar 10, 2020
ARCBYT, INC.
Troy Anthony Helming
E21 - EARTH DRILLING MINING
Information
Patent Grant
Cutter head for microwave presplitting type hard-rock tunnel boring...
Patent number
10,428,654
Issue date
Oct 1, 2019
Northeastern University
Xia Ting Feng
E21 - EARTH DRILLING MINING
Information
Patent Grant
High power laser tunneling mining and construction equipment and me...
Patent number
10,195,687
Issue date
Feb 5, 2019
Foro Energy, Inc.
Mark S. Land
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method and apparatus for introducing or sinking cavities in rock
Patent number
9,631,433
Issue date
Apr 25, 2017
Josef Grotendorst
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Tunnel excavation device
Patent number
9,291,054
Issue date
Mar 22, 2016
Korea Railroad Research Institute
Dong Hyeon Kim
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and device for producing underground cavities using a drivin...
Patent number
4,260,194
Issue date
Apr 7, 1981
Messerschmitt-Bolkow-Blohm GmbH
Friedrich-Karl Blindow
E21 - EARTH DRILLING MINING
Information
Patent Grant
3885832
Patent number
3,885,832
Issue date
May 27, 1975
E21 - EARTH DRILLING MINING
Information
Patent Grant
3881777
Patent number
3,881,777
Issue date
May 6, 1975
E21 - EARTH DRILLING MINING
Information
Patent Grant
3865436
Patent number
3,865,436
Issue date
Feb 11, 1975
E21 - EARTH DRILLING MINING
Information
Patent Grant
3842279
Patent number
3,842,279
Issue date
Oct 15, 1974
E21 - EARTH DRILLING MINING
Information
Patent Grant
3826536
Patent number
3,826,536
Issue date
Jul 30, 1974
E21 - EARTH DRILLING MINING
Information
Patent Grant
3718367
Patent number
3,718,367
Issue date
Feb 27, 1973
B60 - VEHICLES IN GENERAL
Information
Patent Grant
3475055
Patent number
3,475,055
Issue date
Oct 28, 1969
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
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
HIGH POWER LASER TUNNELING MINING AND CONSTRUCTION EQUIPMENT AND ME...
Publication number
20230321749
Publication date
Oct 12, 2023
Foro Energy, Inc.
Daryl L. Grubb
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
SYSTEMS AND METHODS FOR NON-CONTACT BORING
Publication number
20230304401
Publication date
Sep 28, 2023
ArcByt, Inc.
Ian Wright
E21 - EARTH DRILLING MINING
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
TBM TUNNELING TEST BENCH FOR MICROWAVE-ASSISTED ROTARY ROCK BREAKING
Publication number
20230194386
Publication date
Jun 22, 2023
STATE KEY LABORATORY OF SHIELD MACHINE AND BORING TECHNOLOGY
Gaoming LU
E21 - EARTH DRILLING MINING
Information
Patent Application
HARD ROCK TUNNEL BORING MACHINE COMBINING MICROWAVE HEATING WITH HI...
Publication number
20230080875
Publication date
Mar 16, 2023
STATE KEY LABORATORY OF SHIELD MACHINE AND BORING TECHNOLOGY
Gaoming LU
E21 - EARTH DRILLING MINING
Information
Patent Application
SYSTEMS AND METHODS FOR NON-CONTACT BORING
Publication number
20230040350
Publication date
Feb 9, 2023
ArcByt, Inc.
Ian Wright
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
LASER AND MECHANICAL BORING
Publication number
20220018252
Publication date
Jan 20, 2022
David Talcott
E21 - EARTH DRILLING MINING
Information
Patent Application
TUNNELING FOR UNDERGROUND POWER AND PIPELINES
Publication number
20210404261
Publication date
Dec 30, 2021
ArcByt, Inc.
Troy Anthony Helming
E21 - EARTH DRILLING MINING
Information
Patent Application
TUNNELING FOR UNDERGROUND POWER AND PIPELINES
Publication number
20200217199
Publication date
Jul 9, 2020
ARCBYT, INC.
Troy Anthony Helming
E21 - EARTH DRILLING MINING
Information
Patent Application
HIGH POWER LASER TUNNELING MINING AND CONSTRUCTION EQUIPMENT AND ME...
Publication number
20190240770
Publication date
Aug 8, 2019
Foro Energy, Inc.
Brian O. Faircloth
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Tunneling for Underground Power & Pipelines
Publication number
20190085688
Publication date
Mar 21, 2019
Red Gopher Cooperative Corp.
Troy Anthony Helming
E21 - EARTH DRILLING MINING
Information
Patent Application
METHOD AND APPARATUS FOR INTRODUCING OR SINKING CAVITIES IN ROCK
Publication number
20150042145
Publication date
Feb 12, 2015
Josef Grotendorst
E21 - EARTH DRILLING MINING
Information
Patent Application
TUNNEL EXCAVATION DEVICE
Publication number
20140327292
Publication date
Nov 6, 2014
KOREA RAILROAD RESEARCH INSTITUTE
Dong Hyeon Kim
E21 - EARTH DRILLING MINING
Information
Patent Application
HIGH POWER LASER TUNNELING MINING AND CONSTRUCTION EQUIPMENT AND ME...
Publication number
20140231398
Publication date
Aug 21, 2014
Foro Energy, Inc.
Mark S. Land
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR