ClassID:

135862

E21C35/12 - 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; Guiding the machine along a conveyor for the cut mineral

Sub-classes:
Recent Application in this class:
#1
20260092521
2026-04-02

GUIDE SHOE FOR MINING MACHINE

#2
20240301793
2024-09-12

RACKBAR ROTATION LIMIT

#3
20240240559
2024-07-18

GUIDE SHOE FOR MINING MACHINE

#4
20210254463
2021-08-19

Impact event logging system and method for longwall shearer

#5
20200049004
2020-02-13

Shearing system for longwall mining

#6
20200024943
2020-01-23

Cable handling system for longwall mining machines

#7
20200011174
2020-01-09

Vertical lifting type drum coal-mining machine without rocker arm

#8
20180347357
2018-12-06

Adaptive pitch steering in a longwall shearing system

#9
20180030830
2018-02-01

Controlling an output of a mining system

#10
20170292378
2017-10-12

Plow guide assembly for plow guides

#11
20170275993
2017-09-28

Longwall system face alignment detection and steering

#12
20170167259
2017-06-15

Guide shoe for mining machine

#13
20170089197
2017-03-30

Shield for sumping frame of mining machine

#14
20170074097
2017-03-16

Trapping shoe lubrication system

#15
20160362980
2016-12-15

Systems and methods for monitoring longwall mine roof stability

#16
20160348503
2016-12-01

Controlling an output of a mining system

#17
20160123145
2016-05-05

Control method for longwall shearer

#18
20160102551
2016-04-14

Detecting sump depth of a miner

#19
20150274430
2015-10-01

Tensible return unit for apron conveyor

#20
20150260040
2015-09-17

Guide piece for an extraction or coal plough

#21
20150008720
2015-01-08

Drive mechanism for a longwall mining machine

#22
20140232170
2014-08-21

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

#23
20140070599
2014-03-13

MINING INSTALLATION FOR EXTRACTING SEAM-TYPE OR MASS-DEPOSIT MINERAL MATERIALS, AND MINING MACHINE FOR THE SAME

#24
20130319826
2013-12-05

Face conveyor for extraction plants and trough element for said face conveyor

#25
20130313887
2013-11-28

Linepan and longwall mining machine

#26
20120319453
2012-12-20

Method for determining the position or location of plant components in mining extracting plants and extracting plant

#27
20120104832
2012-05-03

Drive mechanism for a longwall mining machine

#28
20120043802
2012-02-23

Bit arrangement for a mining plough, and mining plough for plough systems

#29
20120032495
2012-02-09

Mining plough for plough systems and plough system for inclined formation

#30
20110139587
2011-06-16

Conveyor pan with changeable trough, and a changeable trough

#31
20110049964
2011-03-03

Method for controlling longwall mining operations

#32
20100288604
2010-11-18

Connector device for trough pans on mining equipment trough pan and assembly component for the same

#33
20100194175
2010-08-05

Method and device for monitoring a cutting extraction machine

#34
20100117439
2010-05-13

Device for determining the cutting horizon of a mining extraction system, and pan element therefor

#35
20080054705
2008-03-06

Mining device

#36
20070205007
2007-09-06

Baseplate plow guide section

#37
20070194618
2007-08-23

Slide shoe for mining winning machine

#38
20060244302
2006-11-02

Plough guide for a chain-pulled plough

#39
20050161995
2005-07-28

Mining machine with releasable guide piece and the guide piece for it

#40
20050151412
2005-07-14

Plough for underground mining