ClassID:

135768

E21C25/06 - CPC Classification

Classification description:

Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam Machines slitting solely by one or more cutting rods or cutting drums which rotate, move through the seam, and may or may not reciprocate

Sub-classes:
Recent Application in this class:
#1
20240191624
2024-06-13

Bolter Miner and Tunneling System

#2
20240125232
2024-04-18

CUTTER HEAD FOR MINING MACHINE

#3
20220349306
2022-11-03

Method for removing material from a rock wall

#4
20210254464
2021-08-19

Impact feedback system for longwall shearer operator

#5
20210254461
2021-08-19

Impact sensor and control system for a longwall shearer

#6
20210102463
2021-04-08

Mining machine with articulating boom and independent material handling system

#7
20210032989
2021-02-04

Cutting device with tapered cutting element

#8
20200217198
2020-07-09

Cutting head having segmented cutting disc

#9
20200072050
2020-03-05

Cutter head for mining machine

#10
20200049004
2020-02-13

Shearing system for longwall mining

#11
20200011174
2020-01-09

Vertical lifting type drum coal-mining machine without rocker arm

#12
20190323348
2019-10-24

Horizon monitoring for longwall system

#13
20190161924
2019-05-30

Method for controlling a height adjustment of a stripping plate of a ground milling machine, and ground milling machine

#14
20190136691
2019-05-09

Systems and methods for monitoring extraction height and volume of material extracted for a mining machine

#15
20180355720
2018-12-13

Horizon monitoring for longwall system

#16
20180328174
2018-11-15

ROTOR FOR MACHINE

#17
20180223662
2018-08-09

Cutting apparatus using a clearing arrangement

#18
20180223659
2018-08-09

Stabilization system for a mining machine

#19
20180216460
2018-08-02

Cutting apparatus

#20
20180195388
2018-07-12

Drilling and bursting heading machine

#21
20180171794
2018-06-21

Implement system for machine and operating method therefor

#22
20180112528
2018-04-26

Self-propelled construction machine

#23
20180051562
2018-02-22

Mining machine with articulating boom and independent material handling system

#24
20180030830
2018-02-01

Controlling an output of a mining system

#25
20170342835
2017-11-30

Cutting device with tapered cutting element

#26
20170342830
2017-11-30

Cutting head having segmented cutting disc

#27
20170342829
2017-11-30

Cutting device with wear elements

#28
20170321550
2017-11-09

Systems and methods for fluid delivery in a longwall mining system

#29
20170314395
2017-11-02

Horizon monitoring for longwall system

#30
20170306759
2017-10-26

Cutting apparatus and method of operating

#31
20170306758
2017-10-26

Cutting apparatus and method of operating

#32
20170306756
2017-10-26

Cutting apparatus

#33
20170298731
2017-10-19

Device for the installation of rock bolts and cutting apparatus

#34
20170254199
2017-09-07

Tool support for cutting heads

#35
20170221214
2017-08-03

Imaging-based interface sensor and control device for mining machines

#36
20170167259
2017-06-15

Guide shoe for mining machine

#37
20170159431
2017-06-08

Longwall optimization control

#38
20170089197
2017-03-30

Shield for sumping frame of mining machine

#39
20170074097
2017-03-16

Trapping shoe lubrication system

#40
20170043452
2017-02-16

Attack inserts with differing surface finishes, assemblies, systems including same, and related methods

#41
20170030192
2017-02-02

Systems and methods for monitoring extraction height and volume of material extracted for a mining machine

#42
20170002657
2017-01-05

Cutter head for mining machine

#43
20160362980
2016-12-15

Systems and methods for monitoring longwall mine roof stability

#44
20160362979
2016-12-15

Spray system for mining machine

#45
20160348503
2016-12-01

Controlling an output of a mining system

#46
20160265356
2016-09-15

Self-propelled construction machine

#47
20160102551
2016-04-14

Detecting sump depth of a miner

#48
20160061035
2016-03-03

Horizon monitoring for longwall system

#49
20160017552
2016-01-21

Self-propelled building machine and method for operating a building machine

#50
20150275665
2015-10-01

Unmanned intelligent mining machine

#51
20150192012
2015-07-09

Drum housing for a working drum of a construction machine or mining machine, construction machine or mining machine, as well as method for monitoring the condition of a working drum of a construction machine or mining machine

#52
20150167462
2015-06-18

Stabilization system for a mining machine

#53
20150097411
2015-04-09

Guidance system for a mining machine

#54
20150061351
2015-03-05

Detecting sump depth of a miner

#55
20150008720
2015-01-08

Drive mechanism for a longwall mining machine

#56
20140232170
2014-08-21

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

#57
20140232168
2014-08-21

Device machining materials by milling or drilling, and method therefor

#58
20140225417
2014-08-14

Cab suspension system for a machine adapted to surface excavate rock or like materials

#59
20140203621
2014-07-24

System for controlling speed of travel in a longwall shearer

#60
20140077578
2014-03-20

Cutter head for mining machine

#61
20140049093
2014-02-20

Self-propelled building machine and method for operating a building machine

#62
20140035343
2014-02-06

Self-propelled construction machine

#63
20140008962
2014-01-09

Dust scrubber

#64
20130313887
2013-11-28

Linepan and longwall mining machine

#65
20130033090
2013-02-07

Automated stop and shutdown operation of a mining machine

#66
20130033089
2013-02-07

Material handling system for mining machine

#67
20130033088
2013-02-07

Automated pre-tramming operation of a mining machine

#68
20130033087
2013-02-07

Automated cutting operation of a mining machine

#69
20130033086
2013-02-07

Automated find-face operation of a mining machine

#70
20130033085
2013-02-07

Stabilization system for a mining machine

#71
20120253584
2012-10-04

Imaging-based interface sensor and control device for mining machines

#72
20120104832
2012-05-03

Drive mechanism for a longwall mining machine

#73
20120073445
2012-03-29

Dust scrubber

#74
20080296959
2008-12-04

Cutter head for a ground cutter machine having rotary cutters

#75
14811699
2019-09-10

Material-removal systems, cutting tools therefor, and related methods