Patents-Review.com
ClassID:

135839 ⎘

E21C29/22 - CPC Classification

Classification description:

Propulsion of machines for slitting or completely freeing the mineral from the seam by wheels, endless tracks or the like

Sub-classes:
Recent Application in this class:
#1
20250067176
2025-02-27

Systems And Methods For Non-Contact Boring

 #2
20240110477
2024-04-04

MINING MACHINE AND METHOD FOR CONTROLLING MOVEMENT OF A MOVABLE ELEMENT OF A MINING MACHINE

 #3
20230304401
2023-09-28

Systems and methods for non-contact boring

 #4
20230265758
2023-08-24

Mining system

 #5
20230040350
2023-02-09

Systems and methods for non-contact boring

 #6
20220297473
2022-09-22

Mine material processing apparatus including gas spring wheel assemblies and related methods

 #7
20220170367
2022-06-02

Milling machine and process for the operation of a milling machine

 #8
20220056800
2022-02-24

Systems and methods for non-contact boring

 #9
20220049605
2022-02-17

Machine supporting rock cutting device

 #10
20210324738
2021-10-21

Mining system

 #11
20210317740
2021-10-14

Gravel excavation system

 #12
20210172132
2021-06-10

Mobile earth working machine encompassing a functional apparatus preferably toollessly coupled detachably to a machine frame

 #13
20210102463
2021-04-08

Mining machine with articulating boom and independent material handling system

 #14
20210016661
2021-01-21

Self-propelled construction machine and method for working ground pavements

 #15
20200355074
2020-11-12

Vehicle body utilized in rockbreaker, rockbreaker and rock breaking method

 #16
20200173277
2020-06-04

Machine supporting rock cutting device

 #17
20200072049
2020-03-05

Milling machine and process for the operation of a milling machine

 #18
20200063554
2020-02-27

Rock cutting device

 #19
20200011173
2020-01-09

Mining machine with multiple cutter heads

 #20
20190369255
2019-12-05

Methods and systems for controlling the heading of a mining machine

 #21
20190135358
2019-05-09

Crawler track

 #22
20180229785
2018-08-16

Crawler track

 #23
20180223662
2018-08-09

Cutting apparatus using a clearing arrangement

 #24
20180216460
2018-08-02

Cutting apparatus

 #25
20180171796
2018-06-21

Machine and Method of Cutting Material

 #26
20180087380
2018-03-29

Machine supporting rock cutting device

 #27
20180087379
2018-03-29

Rock cutting device

 #28
20180058214
2018-03-01

Milling machine and process for the operation of a milling machine

 #29
20180051562
2018-02-22

Mining machine with articulating boom and independent material handling system

 #30
20170327148
2017-11-16

Method for running-direction-discrepant sideways movement of an earth working machine, and earth working machine configured to execute said method

 #31
20170306759
2017-10-26

Cutting apparatus and method of operating

 #32
20170306758
2017-10-26

Cutting apparatus and method of operating

 #33
20170306756
2017-10-26

Cutting apparatus

 #34
20170298731
2017-10-19

Device for the installation of rock bolts and cutting apparatus

 #35
20170247070
2017-08-31

Crawler track

 #36
20170211383
2017-07-27

Mining machine with multiple cutter heads

 #37
20160348504
2016-12-01

Arrangement for initiating a remote operation mode

 #38
20160332511
2016-11-17

MOUNTING ASSEMBLY

 #39
20160175847
2016-06-23

Vehicle system and method

 #40
20150275663
2015-10-01

Drilling Rig And Method Of Manoeuvring A Drilling Rig

 #41
20130313891
2013-11-28

Crawler track

 #42
20130257137
2013-10-03

LAUNCH VEHICLE FOR A MINING SYSTEM, A MINING SYSTEM AND A METHOD FOR MINING

 #43
20120319451
2012-12-20

LAUNCH VEHICLE FOR A MINING SYSTEM, A MINING SYSTEM AND A METHOD FOR MINING

 #44
20120104831
2012-05-03

Heading Machine

 #45
20110221259
2011-09-15

Heading machine