ClassID:

136044

E21D11/105 - 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; Lining with building materials with concrete cast ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor Transport or application of concrete specially adapted for the lining of tunnels or galleries ; Backfilling the space between main building element and the surrounding rock, e.g. with concrete

Recent Application in this class:
#1
20260103981
2026-04-16

PRESSURE-CONTROLLED TUNNEL DIRECTIONAL GROUTING-BASED REINFORCEMENT DEVICES

#2
20260055705
2026-02-26

Tunnel Lining Method and Apparatus

#3
20250198979
2025-06-19

MONITORING SYSTEM FOR MONITORING A STRENGTH DEVELOPMENT OF SPRAYED CONCRETE

#4
20250163806
2025-05-22

WORK CARRIAGE FOR THE LINING OF TUNNELS

#5
20240404654
2024-12-05

DYNAMIC MONITORING METHOD FOR REBOUND RATE OF WET SPRAYING SHOTCRETE

#6
20240229645
2024-07-11

CONTROL FITTING, ARRANGEMENT AND METHOD FOR PRODUCING CONCRETE COMPONENTS

#7
20240133295
2024-04-25

Control fitting, arrangement and method for producing concrete components

#8
20230220774
2023-07-13

Modular tunnel formwork device

#9
20230220773
2023-07-13

Modular tunnel formwork device

#10
20230212076
2023-07-06

DOUBLE-LIQUID GROUTING SLURRY, ITS TECHNOLOGY AND APPLICATION FOR SUPER LARGE DIAMETER UNDERWATER SHIELD ENGINEERING UNDER HIGH WATER PRESSURE CONDITION

#11
20230212074
2023-07-06

Synchronous single-liquid grouting slurry, its technology and application for large diameter shield engineering under water-rich, high-pressure and weak soil strata conditions

#12
20220364469
2022-11-17

Composite support structure, construction system, and method

#13
20220251436
2022-08-11

Compressible cementitious compositions, subterranean systems, and methods of incorporating cementitious compositions into such systems

#14
20210355828
2021-11-18

Method of treating tunnel collapse with roof-contacted shield support

#15
20210148231
2021-05-20

Formwork for the production of concrete articles

#16
20210010372
2021-01-14

PULSATION-FREE WET SPRAYING MACHINE

#17
20200355077
2020-11-12

PULSATION-FREE WET SPRAYING MACHINE

#18
20200003056
2020-01-02

Mixing and guniting device of new type for TBM

#19
20190359880
2019-11-28

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

#20
20190330984
2019-10-31

Loaded-to-frame detection equipment and method for backfill grouting of shield tunnel

#21
20190048249
2019-02-14

COMPRESSIBLE GROUT MIX FOR USE IN ABSORBING COMPRESSIVE OR DEFORMATION STRESSES

#22
20180186032
2018-07-05

System and method for spraying lightweight insulating concrete

#23
20180037801
2018-02-08

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

#24
20120121337
2012-05-17

SYSTEMS AND METHODS FOR PROVIDING A CONCRETE-REINFORCED BORE

#25
20120097755
2012-04-26

Shotcrete Carrier and Method of Applying Shotcrete

#26
20110217475
2011-09-08

Methods for applying polymer-modified wet concrete mixtures

#27
20080317952
2008-12-25

Device for coating tunnel walls

#28
20060204372
2006-09-14

Apparatus for the distribution of pump-fed concrete to a plurality of casting areas

#29
18977605
2025-07-08

Method of and system for in-situ creation of concrete arches

#30
17401337
2022-05-03

Monitoring device for deformation of locked patch crack of rock slope and arrangement method