E21D9/112 - CPC Classification Index

ClassID:

136017 ⎘

E21D9/112 - CPC Classification

Classification description:

Tunnels or galleries, with or without linings; Methods or apparatus for making thereof ; Layout of tunnels or galleries; Making by using boring or cutting machines with a rotary drilling-head cutting simultaneously the whole cross-section, i.e. full-face machines by means of one single rotary head or of concentric rotary heads

Sub-classes:

E21D9/113 » {having a central part for making a pilot tunnel and a follow-up part for enlarging the pilot tunnel } 4
E21D9/115 » {with cutting tools mounted pivotably or slidable on the head} 4

Recent Application in this class:

20260002445

2026-01-01

TUNNEL BORING MACHINE FOR EXCAVATING SEMICIRCULAR-ARCHED TUNNELS

20250320818

2025-10-16

TUNNEL BORING MACHINE EQUIPPED WITH HIGH-PRESSURE WATER JET CUTTING SYSTEM AND COMBINED TUNNELING METHOD

20250163805

2025-05-22

TUNNEL EXCAVATION APPARATUS TO WHICH SPECTROSCOPIC ANALYSIS METHOD IS APPLIED

20240295173

2024-09-05

Tunnel Boring Machine and Method for Tunneling Using a Tunnel Boring Machine

20240254879

2024-08-01

TUNNEL BORING MACHINE FOR EXCAVATING SEMICIRCULAR-ARCHED TUNNELS

20240200450

2024-06-20

Tunnel excavation device

20240200448

2024-06-20

TUNNEL EXCAVATION DEVICE

20230258084

2023-08-17

DEVICE AND METHOD FOR DRIVIING A TUNNEL

20230212948

2023-07-06

Tunnel excavation device

#10

20230203949

2023-06-29

Tunnel excavation device

#11

20230140625

2023-05-04

Tunnel boring machine having a device for detecting a content of critical gas

#12

20220220849

2022-07-14

Tunnel boring machine, measurement method, and measurement system

#13

20220145757

2022-05-12

Cutting tool for a tunnel boring machine and a tunnel boring machine

#14

20220056801

2022-02-24

Cutter head arrangement

#15

20210180452

2021-06-17

Tunnel boring machine and tunnelling method

#16

20210148230

2021-05-20

Tunnel boring machine

#17

20210148229

2021-05-20

Projectile augmented boring system

#18

20210095565

2021-04-01

Rapid construction method of pipe jacking for underground rescue tunnel with large section

#19

20210032991

2021-02-04

Device and method for continuously driving a tunnel

#20

20210003009

2021-01-07

Combined rock-breaking TBM tunneling method in complex strata for realizing three-way force detection

#21

20200370434

2020-11-26

Mobile underground tunnel borer arrangement

#22

20200318478

2020-10-08

Unclogging of a discharge opening of a tunnel boring machine by ultrasonic waves

#23

20190112924

2019-04-18

Tunnel boring machine

#24

20180347356

2018-12-06

Apparatus and method for driving a cavity in mining

#25

20180298755

2018-10-18

Ripping and scraping cutter tool assemblies, systems, and methods for a tunnel boring machine

#26

20180258765

2018-09-13

Tunnel boring machine

#27

20170218757

2017-08-03

Rock breaking seismic source and active source three-dimensional seismic combined advanced detection system using tunnel boring machine

#28

20170122103

2017-05-04

High-precision sensors for detecting a mechanical load of a mining tool of a tunnel boring machine

#29

20170101868

2017-04-13

Roller cutter arrangement and cutting wheel equipped with said roller cutter arrangement

#30

20160230553

2016-08-11

Tunnel boring device, and control method therefor

#31

20160230552

2016-08-11

Tunnel boring device, and control method therefor

#32

20160194957

2016-07-07

Compound-type tunneling shield

#33

20160032724

2016-02-04

Ripping and scraping cutter tool assemblies, systems, and methods for a tunnel boring machine

#34

20150152728

2015-06-04

Device and method for driving tunnels, galleries or the like

#35

20150078831

2015-03-19

Auxiliary tunneling apparatus

#36

20150069815

2015-03-12

Tunnel excavation method

#37

20140327292

2014-11-06

Tunnel excavation device

#38

20140232167

2014-08-21

Device for monitoring the state of rotation of a disk cutter arrangement of a shield tunnel boring machine and disk cutter arrangement for a shield tunnel boring machine

#39