Patents-Review.com
ClassID:

135773 ⎘

E21C25/16 - 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 rotating saws, cutting discs, or wheels

Sub-classes:
Recent Application in this class:
#1
20240125232
2024-04-18

CUTTER HEAD FOR MINING MACHINE

 #2
20230228192
2023-07-20

Cutting device and support for same

 #3
20220349306
2022-11-03

Method for removing material from a rock wall

 #4
20220178254
2022-06-09

CUTTING DEVICE

 #5
20210340870
2021-11-04

Automatic coal mining machine and fluidized coal mining method

 #6
20210010371
2021-01-14

Cutting assembly

 #7
20200347723
2020-11-05

Cutting device and support for same

 #8
20200282582
2020-09-10

Self-hammering cutting tool

 #9
20200072050
2020-03-05

Cutter head for mining machine

 #10
20200049004
2020-02-13

Shearing system for longwall mining

 #11
20200032649
2020-01-30

Rock cutting assembly

 #12
20190345823
2019-11-14

Roller cutter unit for undercutting machine

 #13
20190039832
2019-02-07

Chain conveyor and drive sprocket for same

 #14
20180306032
2018-10-25

Cutter assembly with cutter device and method of assembling

 #15
20180298753
2018-10-18

CONTROL SYSTEM AND METHOD FOR CONTROLLING OPERATION OF AN UNDERGROUND MINING MACHINE

 #16
20180223659
2018-08-09

Stabilization system for a mining machine

 #17
20180171796
2018-06-21

Machine and Method of Cutting Material

 #18
20180171793
2018-06-21

Cutter assembly with rolling elements and method of disassembling

 #19
20180171792
2018-06-21

Machine and Method of Cutting Material

 #20
20180051561
2018-02-22

Cutting device and support for same

 #21
20180023390
2018-01-25

Milling depth compensation system and method

 #22
20170247196
2017-08-31

Conveyor support structure and retainer for same

 #23
20170241264
2017-08-24

Stabilization system for a mining machine

 #24
20170002657
2017-01-05

Cutter head for mining machine

 #25
20150204191
2015-07-23

Fluid tank balancing system for mining machine

 #26
20150167462
2015-06-18

Stabilization system for a mining machine

 #27
20140265527
2014-09-18

Low-profile mechanical connection for a drive arrangement

 #28
20140252842
2014-09-11

Mining machine with driven disc cutters

 #29
20140197673
2014-07-17

Skid steer slab cutting attachment

 #30
20140028077
2014-01-30

Track driven slab saw

 #31
20130057044
2013-03-07

Mining machine with driven disc cutters

 #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
20110227397
2011-09-22

Mining machine with driven disc cutters

 #39
20110181097
2011-07-28

Mining machine with driven disc cutters

 #40
20100109417
2010-05-06

Automated excavation machine

 #41
20090322142
2009-12-31

Rock sampling apparatus

 #42
20090058172
2009-03-05

Mining machine with driven disc cutters

 #43
20070090678
2007-04-26

Rock boring device

 #44
20050200192
2005-09-15

Rock cutting machine

 #45
20050140200
2005-06-30

Oscillating disc cutter with speed controlling bearings