ClassID:

136000

E21D9/10 - 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

Sub-classes:
Recent Application in this class:
#1
20240200448
2024-06-20

TUNNEL EXCAVATION DEVICE

#2
20240151143
2024-05-09

RIGHT-ANGLE TURNING METHOD FOR SMALL-DIAMETER TBM EXPLORATION ADIT EXCAVATION

#3
20220075377
2022-03-10

Automatic scanning system for tunnel walls constructed by open-type TBM

#4
20220003115
2022-01-06

Method and system of constructing an underground tunnel

#5
20210317739
2021-10-14

Mining machine applicable to fluidized mining of ore bodies and mining method

#6
20210269718
2021-09-02

Foaming additive with low ecotoxicological impact for soil conditioning in the presence of mechanised excavation

#7
20210222495
2021-07-22

Method and apparatus for the bottom-up construction of vertical risers from underground passes through the soil, using a pipe jacking equipment

#8
20200338943
2020-10-29

Unmanned undersand vehicle

#9
20200032649
2020-01-30

Rock cutting assembly

#10
20190345823
2019-11-14

Roller cutter unit for undercutting machine

#11
20190063219
2019-02-28

Tunnel boring machine operating arrangement and method

#12
20180195388
2018-07-12

Drilling and bursting heading machine

#13
20180073362
2018-03-15

Tunnel boring machine

#14
20180010452
2018-01-11

Surrounding rock pretreatment method for TBM passing through round tunnel section with high rock-burst risk

#15
20160319664
2016-11-03

Procedure for the construction of cross passages in double pipe tunnels

#16
20160273358
2016-09-22

Cutter holder for a tunnel boring machine and an associated cutting set

#17
20160208608
2016-07-21

Barrier forming apparatus

#18
20150050088
2015-02-19

TUNNELING OR EXTRACTION MACHINE WITH AN ANCHOR-SETTING DEVICE AND SUPPORT MANIPULATOR OR SUPPORTING DEVICE

#19
20140079485
2014-03-20

Method for preventing shield casing jamming due to too large frictional resistance in earth pressure balance shield machine

#20
20130277117
2013-10-24

Method for introducing a vertical shaft and shaft driving machine

#21
20130045055
2013-02-21

Method for replacing a tunnel boring machine roller cutter, handling device and roller cutter suited to such a method

#22
20110198914
2011-08-18

Method and device for working rock

#23
20110139511
2011-06-16

Method for introducing a vertical shaft and shaft driving machine

#24
20110031017
2011-02-10

Abrasion detecting apparatus detecting abrasion of component of cutter head and tunnel boring machine including abrasion detecting apparatus

#25
20100083543
2010-04-08

Ground-working machine

#26
20060122074
2006-06-08

Method using composition to reduce cutting head wear