E21C35/20 - CPC Classification Index

ClassID:

135883 ⎘

E21C35/20 - CPC Classification

Classification description:

Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam not provided for in groups - , or General features of equipment for removal of chippings, e.g. for loading on conveyor

Recent Application in this class:

20240308775

2024-09-19

SYSTEMS AND METHODS FOR AUTOMATED CONTROL OF A BEAM STAGELOADER BOOTEND

20240308774

2024-09-19

SYSTEMS AND METHODS FOR AUTOMATED CONTROL OF A BEAM STAGELOADER BOOTEND

20240247551

2024-07-25

Tunneling System

20240200451

2024-06-20

Tunneling and Anchoring Machine and Tunneling System

20240200446

2024-06-20

FRAGMENTATION GEOREFERENCING

20230228192

2023-07-20

Cutting device and support for same

20220372875

2022-11-24

Method for rotary clearing in stripping tooth holder of mining machine and rotary clearing device in stripping tooth holder

20220090498

2022-03-24

Six-arm tunneling and anchoring machine for integrating tunneling and anchoring

20210340870

2021-11-04

Automatic coal mining machine and fluidized coal mining method

#10

20210237979

2021-08-05

Chain conveyor

#11

20210198044

2021-07-01

Systems and methods for automated control of a beam stageloader bootend

#12

20210198043

2021-07-01

Systems and methods for automated control of a beam stageloader bootend

#13

20210140316

2021-05-13

RECIPROCATING IMPACT BEVEL TOOTH DISCHARGING SHOVEL OF RECIPROCATING IMPACT MINING MACHINE

#14

20210115791

2021-04-22

Material handling apparatus for a mining machine

#15

20210102463

2021-04-08

Mining machine with articulating boom and independent material handling system

#16

20210071527

2021-03-11

Hydraulic hoisting of potash and other evaporite ores

#17

20200354150

2020-11-12

Chain conveyor and link for same

#18

20200347723

2020-11-05

Cutting device and support for same

#19

20200263540

2020-08-20

Shearer cutting unit with double-speed rollers

#20

20200223636

2020-07-16

Systems and methods for automated control of a beam stageloader bootend

#21

20200115164

2020-04-16

Chain conveyor and coupler link for same

#22

20200049533

2020-02-13

System and method for monitoring fault conditions in a pan line of a longwall mining system

#23

20200032649

2020-01-30

Rock cutting assembly

#24

20200011173

2020-01-09

Mining machine with multiple cutter heads

#25

20200010277

2020-01-09

Chain conveyor

#26

20190338627

2019-11-07

Hydraulic hoisting of potash and other evaporite ores

#27

20190143337

2019-05-16

Method for mining and processing of an ore

#28

20180252103

2018-09-06

MACHINE HAVING POSITIONING SYSTEM FOR PREVENTING MISCOORDINATION OF GATHERING HEAD AND CUTTING IMPLEMENT

#29

20180251316

2018-09-06

Drive shaft and sprockets for chain conveyor

#30

20180251313

2018-09-06

Chain conveyor link

#31

20180251312

2018-09-06

Chain conveyor

#32

20180251311

2018-09-06

Chain conveyor and link for same

#33

20180251310

2018-09-06

Chain conveyor and coupler link for same

#34

20180229939

2018-08-16

Conveyor pan

#35

20180223662

2018-08-09

Cutting apparatus using a clearing arrangement

#36

20180171792

2018-06-21

Machine and Method of Cutting Material

#37

20180051562

2018-02-22

Mining machine with articulating boom and independent material handling system

#38

20180051561

2018-02-22

Cutting device and support for same

#39

20170306756

2017-10-26

Cutting apparatus

#40

20170298731

2017-10-19

Device for the installation of rock bolts and cutting apparatus

#41

20170211383

2017-07-27

Mining machine with multiple cutter heads

#42

20170089197

2017-03-30

Shield for sumping frame of mining machine

#43

20170009579

2017-01-12

RECIPROCATING IMPACT SLACK-DROP/ROTATING/RAKING MULTIFUNCTIONAL POWER SHAFT

#44

20170002656

2017-01-05

Non-concentric protruding shaft fixed bearing reciprocating impact part for implementing reciprocating impact part non-concentric protruding shaft fixed bearing method

#45

20160273357

2016-09-22

METHOD OF LOADING MATERIAL BY CURVED AUXILIARY ROCKER ARM ON MINING MACHINE, AND MINING MACHINE HAVING CURVED AUXILIARY ROCKER ARM CAPABLE OF LOADING MATERIAL FOR IMPLEMENTING SAID METHOD

#46

20160265357

2016-09-15

Method for directionally swaying and resetting harrow teeth of rolling harrow loader-excavator and rolling harrow loader-excavator with directional sway and reset harrow teeth for implementing such method

#47

20160265355

2016-09-15

METHOD FOR RECIPROCATING PUNCHING/RAKING/LOADING BY POWER BOX ON EXCAVATOR, AND EXCAVATOR HAVING POWER BOX CAPABLE OF RECIPROCATING PUNCHING/RAKING/LOADING

#48