Patents-Review.com
ClassID:

136075 ⎘

E21D13/00 - CPC Classification

Classification description:

Large underground chambers; Methods or apparatus for making them

Recent Application in this class:
#1
20240344315
2024-10-17

UNDERGROUND STORAGE SYSTEM WITH V SHAPED SUPPORT LEGS

 #2
20220127834
2022-04-28

Underground storage system with V shaped support legs

 #3
20210025241
2021-01-28

Deep human-made cavern construction

 #4
20200318480
2020-10-08

Method of recovering room-and-pillar coal pillar by using external replacement supports

 #5
20200011048
2020-01-09

Underground storage system with V shaped support legs

 #6
20190360190
2019-11-28

Tessellation square module and underground storage system

 #7
20190106864
2019-04-11

Honeycomb module and underground storage system

 #8
20190085689
2019-03-21

BOTTOM-SIDE SEPARATION OF AN OBJECT TO BE CUT OUT OF STONE

 #9
20180252104
2018-09-06

Tunnel construction method using pre-support and post-support and apparatus suitable for same

 #10
20180195391
2018-07-12

Pumpable mine ventilation structure

 #11
20180182505
2018-06-28

WASTE REPOSITORY FOR THE STORAGE OF RADIOACTIVE MATERIAL AND METHOD FOR ITS CONSTRUCTION

 #12
20180080321
2018-03-22

Apparatus for making underground reservoir

 #13
20180030712
2018-02-01

Tessellation square module and underground storage system

 #14
20180003056
2018-01-04

Construction layout for caverns of underground nuclear power plant

 #15
20180003055
2018-01-04

Construction layout for caverns of underground nuclear power plant

 #16
20180003054
2018-01-04

Construction layout for underground caverns in nuclear island powerhouse of underground nuclear power plant

 #17
20170321397
2017-11-09

Honeycomb module and underground storage system

 #18
20170248018
2017-08-31

Method of preventing leakage of air inside underground cavern

 #19
20170096896
2017-04-06

RIB FOR SUPPORTING AND CONSOLIDATING AN EXCAVATION AND METHOD FOR INSTALLING A STRUCTURE TO SUPPORT AND CONSOLIDATE AN EXCAVATION

 #20
20160245082
2016-08-25

PUMPABLE MINE VENTILATION STRUCTURE

 #21
20160160644
2016-06-09

SOLUTION MINING A STABLE ROOF UNDER AN INERT GAS

 #22
20160101941
2016-04-14

Gas containment system

 #23
20150274424
2015-10-01

Subterranean Fluid Storage Configurations and Methods

 #24
20150225173
2015-08-13

Tunneled gas storage

 #25
20150211205
2015-07-30

Construction system for subway station

 #26
20150145315
2015-05-28

Method and device for building underground storehouse by dissolving limestone with carbon dioxide

 #27
20150042145
2015-02-12

Method and apparatus for introducing or sinking cavities in rock

 #28
20150010357
2015-01-08

Method for storing carbon dioxide compositions in subterranean geological formations and an arrangement for use in such methods

 #29
20130336721
2013-12-19

FLUID STORAGE IN COMPRESSED-GAS ENERGY STORAGE AND RECOVERY SYSTEMS

 #30
20120163919
2012-06-28

Method for erecting an underground construction

 #31
20100276983
2010-11-04

INTEGRATION OF AN IN-SITU RECOVERY OPERATION WITH A MINING OPERATION

 #32
15428006
2021-11-23

Method and system for selecting and using a salt cavern to store very pure hydrogen

 #33
15427945
2019-02-26

System for forming and maintaining a fundamentally impervious boundary in a salt cavern for storing very pure hydrogen

 #34
15427900
2021-11-09

Method for storing very high purity hydrogen in a salt cavern

 #35
15427862
2019-03-05

Method for forming and maintaining a fundamentally impervious boundary to very high purity hydrogen in a salt cavern