ClassID:

136068

E21D11/383 - 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 by applying waterproof flexible sheets; Means for fixing the sheets to the tunnel or cavity wall

Recent Application in this class:
#1
20240117134
2024-04-11

WATERPROOF MEMBRANE, PREPARATION METHOD AND CONSTRUCTION METHOD THEREOF, AND TUNNEL WATERPROOF SYSTEM

#2
20220170369
2022-06-02

Method for waterproofing of tunnel structures

#3
20210108515
2021-04-15

Hydraulic end die of tunnel secondary lining trolley and construction method therefor

#4
20200232322
2020-07-23

In-situ barrier device with internal injection conduit

#5
20200049005
2020-02-13

Method of installing fiber liner for large tunnel repair

#6
20190360334
2019-11-28

Intelligent and flexible steel arch protection device for rockfall and collapse of tunnels

#7
20190242116
2019-08-08

Waterproofing system

#8
20190112925
2019-04-18

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

#9
20180223523
2018-08-09

Method for producing water-sealed surfaces from cement-based materials

#10
20170233977
2017-08-17

Corrosion-resistant fluid membrane

#11
20170175527
2017-06-22

Method for producing a construction element, in particular a tunnel element, having a watertight seal

#12
20160201459
2016-07-14

Mobile conveyor device for the delivery of tunnel liners

#13
20160053614
2016-02-25

PROTECTIVE ELEMENT, CONCRETE ELEMENT, AND METHOD FOR PRODUCING A CONCRETE ELEMENT

#14
20150361793
2015-12-17

METHOD FOR PRODUCING A TUBBING WITH A THERMOPLASTIC SEALING LAYER

#15
20140286726
2014-09-25

Holder for casting into a concrete element

#16
20120152437
2012-06-21

Induction welded waterproofing

#17
20110177736
2011-07-21

Self healing salt water barrier

#18
20100167047
2010-07-01

WATERPROOF SHEET FOR TUNNEL

#19
20090274518
2009-11-05

Method for post-installation in-situ barrier creation

#20
20090130368
2009-05-21

Self healing salt water barrier

#21
20090126291
2009-05-21

Device for post-installation in-situ barrier creation

#22
20080315665
2008-12-25

APPARATUS FOR ASSEMBLING A LINER

#23
20070236075
2007-10-11

Apparatus for assembling a liner

#24
20070084555
2007-04-19

Apparatus for and method of lining passageways

#25
20060191224
2006-08-31

Device for post-installation in-situ barrier creation and method of use thereof

#26
20050179307
2005-08-18

Recovery head with track seal