ClassID:

136004

E21D9/1026 - 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 the tool-carrier being rotated about a transverse axis

Recent Application in this class:
#1
20260132715
2026-05-14

METHOD AND MATERIAL REMOVAL SYSTEM

#2
20240247587
2024-07-25

CUTTING DEVICE AND SUPPORT FOR SAME

#3
20220290407
2022-09-15

Hydraulic system, mining machine and method of controlling hydraulic actuator

#4
20210102463
2021-04-08

Mining machine with articulating boom and independent material handling system

#5
20180363462
2018-12-20

Milling Device for Excavating Mining Materials

#6
20180223662
2018-08-09

Cutting apparatus using a clearing arrangement

#7
20180216460
2018-08-02

Cutting apparatus

#8
20180195388
2018-07-12

Drilling and bursting heading machine

#9
20180171794
2018-06-21

Implement system for machine and operating method therefor

#10
20170306759
2017-10-26

Cutting apparatus and method of operating

#11
20170306758
2017-10-26

Cutting apparatus and method of operating

#12
20170306756
2017-10-26

Cutting apparatus

#13
20170298731
2017-10-19

Device for the installation of rock bolts and cutting apparatus

#14
20170211384
2017-07-27

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

#15
20150204190
2015-07-23

Mobile mining

#16
20140232170
2014-08-21

Apparatus for the milling cutting of rock, minerals or other materials

#17
20140091612
2014-04-03

Mobile mining machine and method for driving tunnels, roadways or shafts, in particular in hard rock

#18
20120313422
2012-12-13

Method and device for working rock

#19
20110247246
2011-10-13

ATTACHMENT CUTTING SYSTEM HAVING CUTTING HEADS AND A CUTTER CHAIN

#20
20110198914
2011-08-18

Method and device for working rock

#21
20110062768
2011-03-17

Mining Machine and Method of Mining

#22
20100237682
2010-09-23

Loading arm with wear resistant end, mining equipment using the arm, and method of use

#23
20090066148
2009-03-12

Continuous miner having a sumping frame