Patents-Review.com
ClassID:

136066 ⎘

E21D11/38 - CPC Classification

Classification description:

Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings , e.g. by assembling Waterproofing ; Heat insulating; Soundproofing; Electric insulating

Sub-classes:
Recent Application in this class:
#1
20250171646
2025-05-29

SPRAY-APPLIED POLYURETHANE INSULATION MATERIAL FOR TUNNELS IN COLD REGIONS, ITS APPLICATION, AND ITS CONSTRUCTION METHOD

 #2
20240159148
2024-05-16

TUNNEL EXCAVATION APPARATUS AND METHOD FOR TBM EXCAVATION AND EXPANDED BLASTING

 #3
20230349290
2023-11-02

Shield tunnel segment structure and construction method thereof

 #4
20230032471
2023-02-02

Tunnel profile element

 #5
20220064347
2022-03-03

Expansive polymer grouting material for treating high-pressure large-flow-rate karst water inrush and preparation method thereof

 #6
20210246786
2021-08-12

Tunnel waterproofing composition and system

 #7
20210043335
2021-02-11

Method and composition for limiting permeability of a matrix to limit liquid and gas inflow

 #8
20200347724
2020-11-05

Microorganism curing anti-seepage device based on capsule transmission and control

 #9
20200277855
2020-09-03

Tunnel profile element

 #10
20200216706
2020-07-09

Tunnel waterproofing composition and system

 #11
20200208518
2020-07-02

Systems and methods for detection of underground voids

 #12
20190359880
2019-11-28

Compressive grout mix for use in absorbing compressive or deformation stresses of subterranean formations

 #13
20190338641
2019-11-07

Draining mesh module and a method of operating a draining mesh in a construction

 #14
20190309625
2019-10-10

Protective element with drainage, for connecting to a concrete element of a tunnel extension

 #15
20190112925
2019-04-18

Tunnel wall element and a method of assembling tunnel walls comprising the tunnel wall elements

 #16
20180258766
2018-09-13

FIRE-RESISTANT ELEMENT FOR COVERING A CONCRETE SURFACE

 #17
20180037801
2018-02-08

Compressible grout mix for use in absorbing compressive or deformation stresses of subterranean formations

 #18
20170314721
2017-11-02

Method for packing filler material

 #19
20170029690
2017-02-02

Encapsulated activator and its use to trigger a gelling system by physical means

 #20
20160102443
2016-04-14

System and method for waterproofing below-grade wall structures

 #21
20160101941
2016-04-14

Gas containment system

 #22
20160097278
2016-04-07

WATERPROOFING SYSTEM FOR EXPOSED ROCK SURFACES

 #23
20160047242
2016-02-18

Water and/or fire resistant tunnel expansion joint systems

 #24
20160003042
2016-01-07

LINER SYSTEM FOR SALT MINE SHAFTS

 #25
20150225173
2015-08-13

Tunneled gas storage

 #26
20150192014
2015-07-09

Tunnel segment cross gasket

 #27
20150125215
2015-05-07

METHOD FOR CONSTRUCTING A TUNNEL COURSE, AND STRUCTURAL ELEMENT FOR USE BY THE METHOD

 #28
20140100304
2014-04-10

Encapsulated activator and its use to trigger a gelling system by physical means

 #29
20140010594
2014-01-09

FLUID STORAGE IN COMPRESSED-GAS ENERGY STORAGE AND RECOVERY SYSTEMS

 #30
20130051918
2013-02-28

Method of reinforcing irregular structures

 #31
20100167047
2010-07-01

WATERPROOF SHEET FOR TUNNEL

 #32
20090272052
2009-11-05

Construction Element and Method for its Manufacture

 #33
20070101907
2007-05-10

Liner

 #34
20070056676
2007-03-15

Method and device for attaching sheeting to surfaces of structures

 #35
20060165489
2006-07-27

Structure of intermediate wall of three arch excavated tunnel and method for constructing the same

 #36
20050095066
2005-05-05

Method for repairing in-ground tunnel structures

 #37
18332606
2023-10-10

Method for blocking mine water inrush