ClassID:

135774

E21C25/18 - 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 Saws; Discs; Wheels

Recent Application in this class:
#1
20250347224
2025-11-13

METHOD OF MINING USING A DISC CUTTER

#2
20250320817
2025-10-16

DISK CUTTER

#3
20250188837
2025-06-12

CUTTING DISC WITH REMOVABLE CUTTING PORTIONS

#4
20240247587
2024-07-25

CUTTING DEVICE AND SUPPORT FOR SAME

#5
20230366314
2023-11-16

DISK CUTTER

#6
20230228192
2023-07-20

Cutting device and support for same

#7
20230151733
2023-05-18

DISK CUTTER

#8
20220372874
2022-11-24

Disk cutter

#9
20220049605
2022-02-17

Machine supporting rock cutting device

#10
20210102463
2021-04-08

Mining machine with articulating boom and independent material handling system

#11
20210032989
2021-02-04

Cutting device with tapered cutting element

#12
20210032988
2021-02-04

CUTTING ASSEMBLY

#13
20210010371
2021-01-14

Cutting assembly

#14
20210003006
2021-01-07

CUTTING ASSEMBLY

#15
20200378253
2020-12-03

ROTARY CUTTING HEAD WITH FLUID SUPPLY DUCTING

#16
20200347723
2020-11-05

Cutting device and support for same

#17
20200269435
2020-08-27

CUTTER REPLACEMENT ROBOT AND ITS ADAPTIVE CUTTER SYSTEM FOR TUNNEL BORING MACHINE

#18
20200217198
2020-07-09

Cutting head having segmented cutting disc

#19
20200173277
2020-06-04

Machine supporting rock cutting device

#20
20200141236
2020-05-07

Cutting apparatus

#21
20200123900
2020-04-23

Cutting apparatus

#22
20200063554
2020-02-27

Rock cutting device

#23
20200011173
2020-01-09

Mining machine with multiple cutter heads

#24
20180258611
2018-09-13

Excavating equipment for excavating surfaces

#25
20180223662
2018-08-09

Cutting apparatus using a clearing arrangement

#26
20180216460
2018-08-02

Cutting apparatus

#27
20180209269
2018-07-26

Cutting Bit Carrier for Cutting Bits

#28
20180087380
2018-03-29

Machine supporting rock cutting device

#29
20180087379
2018-03-29

Rock cutting device

#30
20180051562
2018-02-22

Mining machine with articulating boom and independent material handling system

#31
20180051561
2018-02-22

Cutting device and support for same

#32
20170342835
2017-11-30

Cutting device with tapered cutting element

#33
20170342830
2017-11-30

Cutting head having segmented cutting disc

#34
20170342829
2017-11-30

Cutting device with wear elements

#35
20170306759
2017-10-26

Cutting apparatus and method of operating

#36
20170306758
2017-10-26

Cutting apparatus and method of operating

#37
20170306756
2017-10-26

Cutting apparatus

#38
20170298731
2017-10-19

Device for the installation of rock bolts and cutting apparatus

#39
20170211383
2017-07-27

Mining machine with multiple cutter heads

#40
20160298451
2016-10-13

ANNULAR TOOL

#41
20160290134
2016-10-06

Wear cap for an earth working roll

#42
20160265354
2016-09-15

MINING MACHINE WITH DRIVEN DISC CUTTERS

#43
20160024919
2016-01-28

End ring degradation pick support

#44
20150285073
2015-10-08

CUTTING RING FOR A CUTTING ROLLER FOR QUARRYING AND CUTTING ROLLER FOR QUARRYING

#45
20150020418
2015-01-22

Cutting blade apparatus and methods

#46
20140252843
2014-09-11

Tunnel boring machine disc cutters and related methods of manufacture

#47
20130057044
2013-03-07

Mining machine with driven disc cutters

#48
20110227397
2011-09-22

Mining machine with driven disc cutters

#49
20090224596
2009-09-10

Cutting Elements Disposed On A Drum

#50
20090058172
2009-03-05

Mining machine with driven disc cutters

#51
20060061206
2006-03-23

Tool, cutter and button disk

#52
17034257
2022-06-21

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

#53
16552747
2020-11-03

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

#54
15065258
2019-10-08

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