ClassID:

136003

E21D9/102 - 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 rotary cutting tools on a tool-carrier supported by a movable boom by a longitudinally extending boom being pivotable about a vertical and a transverse axis

Sub-classes:
Recent Application in this class:
#1
20240141784
2024-05-02

Roadway/tunnel excavation robot and automatic cutting control method

#2
20240125232
2024-04-18

CUTTER HEAD FOR MINING MACHINE

#3
20230228192
2023-07-20

Cutting device and support for same

#4
20220349306
2022-11-03

Method for removing material from a rock wall

#5
20220259973
2022-08-18

CUTTING APPARATUS

#6
20220235658
2022-07-28

Travelling-type tunnel hard-rock micro-damage cutting equipment and construction method associated therewith

#7
20220090498
2022-03-24

Six-arm tunneling and anchoring machine for integrating tunneling and anchoring

#8
20220049605
2022-02-17

Machine supporting rock cutting device

#9
20210102463
2021-04-08

Mining machine with articulating boom and independent material handling system

#10
20210032989
2021-02-04

Cutting device with tapered cutting element

#11
20210025237
2021-01-28

Mining or construction vehicle

#12
20200347723
2020-11-05

Cutting device and support for same

#13
20200217198
2020-07-09

Cutting head having segmented cutting disc

#14
20200173277
2020-06-04

Machine supporting rock cutting device

#15
20200131904
2020-04-30

Cutting apparatus

#16
20200123900
2020-04-23

Cutting apparatus

#17
20200072050
2020-03-05

Cutter head for mining machine

#18
20200063554
2020-02-27

Rock cutting device

#19
20190345823
2019-11-14

Roller cutter unit for undercutting machine

#20
20180223659
2018-08-09

Stabilization system for a mining machine

#21
20180171798
2018-06-21

MACHINE CONTROL SYSTEM FOR MILLING ARCHED ROOF STRUCTURES

#22
20180087379
2018-03-29

Rock cutting device

#23
20180051561
2018-02-22

Cutting device and support for same

#24
20170342835
2017-11-30

Cutting device with tapered cutting element

#25
20170342830
2017-11-30

Cutting head having segmented cutting disc

#26
20170342829
2017-11-30

Cutting device with wear elements

#27
20170211384
2017-07-27

High-frequency vibrating transverse drum cutter head, and drum cutter machine and tunnel boring machine therewith

#28
20170002657
2017-01-05

Cutter head for mining machine

#29
20150167462
2015-06-18

Stabilization system for a mining machine

#30
20150152728
2015-06-04

Device and method for driving tunnels, galleries or the like

#31
20140077578
2014-03-20

Cutter head for mining machine

#32
20130033090
2013-02-07

Automated stop and shutdown operation of a mining machine

#33
20130033089
2013-02-07

Material handling system for mining machine

#34
20130033088
2013-02-07

Automated pre-tramming operation of a mining machine

#35
20130033087
2013-02-07

Automated cutting operation of a mining machine

#36
20130033086
2013-02-07

Automated find-face operation of a mining machine

#37
20130033085
2013-02-07

Stabilization system for a mining machine

#38
20050200192
2005-09-15

Rock cutting machine