E21C27/24 - CPC Classification Index

#1

20260132715

2026-05-14

METHOD AND MATERIAL REMOVAL SYSTEM

#2

20250179917

2025-06-05

MINER AUTOMATED HARDWARE INSTALLATION SYSTEM AND AUTOMATED BRATTICE INSTALLER

#3

20250075621

2025-03-06

Device for Milling in Particular Rock and Other Materials

#4

20230321749

2023-10-12

HIGH POWER LASER TUNNELING MINING AND CONSTRUCTION EQUIPMENT AND METHODS OF USE

#5

20230265758

2023-08-24

Mining system

#6

20220290384

2022-09-15

Self-propelled construction machine or mining machine

#7

20210324738

2021-10-21

Mining system

#8

20210164349

2021-06-03

Recovering conveyor systems and continuous miners from mined plunge tunnels in underground mines

#9

20210047926

2021-02-18

Heading machine with cusp cutter

#10

20200378253

2020-12-03

ROTARY CUTTING HEAD WITH FLUID SUPPLY DUCTING

#11

20200355075

2020-11-12

HIGH WALL MINING METHOD

#12

20200248550

2020-08-06

System and method for specifying and controlling sump depth

#13

20190369255

2019-12-05

Methods and systems for controlling the heading of a mining machine

#14

20190352866

2019-11-21

Systems and methods for sensing wear of reducing elements of a material reducing machine

#15

20190240770

2019-08-08

High power laser tunneling mining and construction equipment and methods of use

#16

20190234212

2019-08-01

Bit tip insert

#17

20190153863

2019-05-23

Active temporary roof support apparatus

#18

20190136691

2019-05-09

Systems and methods for monitoring extraction height and volume of material extracted for a mining machine

#19

20180363462

2018-12-20

Milling Device for Excavating Mining Materials

#20

20180345436

2018-12-06

System and method for determining efficiency of an industrial machine

#21

20180306032

2018-10-25

Cutter assembly with cutter device and method of assembling

#22

20180223662

2018-08-09

Cutting apparatus using a clearing arrangement

#23

20180223661

2018-08-09

Cutting bit assembly

#24

20180223659

2018-08-09

Stabilization system for a mining machine

#25

20180216460

2018-08-02

Cutting apparatus

#26

20180202116

2018-07-19

Automotive milling machine, as well as method for steering an automotive milling machine

#27

20180195390

2018-07-12

MINING UNDERGROUND FORMATIONS

#28

20180195385

2018-07-12

High wall mining cutting head and support

#29

20180179892

2018-06-28

Collision Avoidance Control Method and System

#30

20180171794

2018-06-21

Implement system for machine and operating method therefor

#31

20180163352

2018-06-14

Systems and methods for sensing wear of reducing elements of a material reducing machine

#32

20180142439

2018-05-24

Hydraulic apparatus for excavators and construction equipment in general

#33

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

#34

20170306759

2017-10-26

Cutting apparatus and method of operating

#35

20170306758

2017-10-26

Cutting apparatus and method of operating

#36

20170306756

2017-10-26

Cutting apparatus

#37

20170298731

2017-10-19

Device for the installation of rock bolts and cutting apparatus

#38

20170268335

2017-09-21

MINING SYSTEMS

#39

20170240229

2017-08-24

SPROCKET WHEEL AND DRIVE SPROCKET FOR TRACK-TYPE MACHINE

#40

20170221214

2017-08-03

Imaging-based interface sensor and control device for mining machines

#41

20170211384

2017-07-27

High-frequency vibrating transverse drum cutter head, and drum cutter machine and tunnel boring machine therewith

#42

20170152745

2017-06-01

TUNNEL SUPPORT INSTALLATION APPARATUS

#43

20170089197

2017-03-30

Shield for sumping frame of mining machine

#44

20170030192

2017-02-02

Systems and methods for monitoring extraction height and volume of material extracted for a mining machine

#45

20170009577

2017-01-12

Bit configuration for a cutter head

#46

20160194840

2016-07-07

Automotive milling machine, as well as method for steering an automotive milling machine

#47

20160160643

2016-06-09

Air flow system for mining machine

#48

20160146006

2016-05-26

MINING MACHINE GATHERING HEAD

#49

20160130941

2016-05-12

Modular cutting head

#50

20160097277

2016-04-07

Fiber optic shape sensing adapted to cutter module of highwall miner

#51

20160097276

2016-04-07

Continuous mining machine having core cutting assembly

#52

20160096688

2016-04-07

Launch vehicle with a multi-dip deck for highwall mining

#53

20160090838

2016-03-31

Launch vehicle with a tilt deck for highwall mining

#54

20160024919

2016-01-28

End ring degradation pick support

#55

20150322634

2015-11-12

Systems and methods for sensing wear of reducing elements of a material reducing machine

#56

20150315909

2015-11-05

METHOD FOR ARRANGING ROLLING-FRICTION STRETCHING AND RETRACTION BASED ROLLING STROKE SECTIONS OF A ROCKER ARM IN PARALLEL, AND AN EXCAVATOR OR LOADER COMPRISING A ROCKER ARM HAVING ROLLING STROKE SECTIONS ARRANGED IN PARALLEL

#57

20150218943

2015-08-06

Mining systems

#58

20150204190

2015-07-23

Mobile mining

#59

20150152728

2015-06-04

Device and method for driving tunnels, galleries or the like

#60

20150050088

2015-02-19

TUNNELING OR EXTRACTION MACHINE WITH AN ANCHOR-SETTING DEVICE AND SUPPORT MANIPULATOR OR SUPPORTING DEVICE

#61

20150008720

2015-01-08

Drive mechanism for a longwall mining machine

#62

20140252842

2014-09-11

Mining machine with driven disc cutters

#63

20140239700

2014-08-28

Milling drum comprising a, more particularly replaceable, material guiding device and material guiding device for a milling drum

#64

20140239699

2014-08-28

Continuous miner mid-conveyor drive

#65

20140232171

2014-08-21

Air flow system for mining machine

#66

20140232170

2014-08-21

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

#67

20140232168

2014-08-21

Device machining materials by milling or drilling, and method therefor

#68

20140231398

2014-08-21

High power laser tunneling mining and construction equipment and methods of use

#69

20140167487

2014-06-19

Rotary cutter drum for continuous mining machine

#70

20140091612

2014-04-03

Mobile mining machine and method for driving tunnels, roadways or shafts, in particular in hard rock

#71

20140084667

2014-03-27

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

#72

20140070599

2014-03-13

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

#73

20140054949

2014-02-27

Automotive milling machine, as well as method for steering an automotive milling machine

#74

20140008469

2014-01-09

Water sprays for dust control on mining machines

#75

20130257137

2013-10-03

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

#76

20130187437

2013-07-25

Mining Machine, In Particular Surface Miner, As Well As Method For The Removal And Installation Of A Transport Device In A Mining Machine

#77

20130106167

2013-05-02

Compact Roadheader

#78

20130057044

2013-03-07

Mining machine with driven disc cutters

#79

20130049435

2013-02-28

Material and equipment recovery system

#80

20130038114

2013-02-14

Self-propelled surface milling cutter

#81

20130033091

2013-02-07

Milling rotor for processing ground material and a ground milling machine having such a rotor

#82

20130033090

2013-02-07

Automated stop and shutdown operation of a mining machine

#83

20130033089

2013-02-07

Material handling system for mining machine

#84

20130033088

2013-02-07

Automated pre-tramming operation of a mining machine

#85

20130033087

2013-02-07

Automated cutting operation of a mining machine

#86

20130033086

2013-02-07

Automated find-face operation of a mining machine

#87

20130033085

2013-02-07

Stabilization system for a mining machine

#88

20120319451

2012-12-20

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

#89

20120313422

2012-12-13

Method and device for working rock

#90

20120253584

2012-10-04

Imaging-based interface sensor and control device for mining machines

#91

20120223567

2012-09-06

Core breaker for a mining machine

#92

20120213598

2012-08-23

Roof support sheet handling for underground mines

#93

20120187743

2012-07-26

Method of controlling a miner to cause wobble in the cutting heads

#94

20120104832

2012-05-03

Drive mechanism for a longwall mining machine

#95

20120027533

2012-02-02

Rotary Drive Device within a Rotary Cylinder

#96

20120019045

2012-01-26

WATER SPRAY SYSTEM FOR CONTINUOUS MINER AND METHOD OF USE

#97

20120018544

2012-01-26

Water sprays for dust control on mining machines

#98

20110247246

2011-10-13

ATTACHMENT CUTTING SYSTEM HAVING CUTTING HEADS AND A CUTTER CHAIN

#99

20110227397

2011-09-22

Mining machine with driven disc cutters

#100

20110227396

2011-09-22

MINING SYSTEM

#101

20110221259

2011-09-15

Heading machine

#102

20110198914

2011-08-18

Method and device for working rock

#103

20110156470

2011-06-30

Cutter head containing its motors and gearcase

#104

20110062768

2011-03-17

Mining Machine and Method of Mining

#105

20110037308

2011-02-17

Continuous miner center drum with offset split surfaces

#106

20100314931

2010-12-16

Heading machine having cutting unit made of disc tools

#107

20100276986

2010-11-04

Cutter drum extension mechanism

#108

20100276985

2010-11-04

Noise reduced continuous miner

#109

20100237684

2010-09-23

Core Breaker With Dust Suppression System

#110

20100237682

2010-09-23

Loading arm with wear resistant end, mining equipment using the arm, and method of use

#111

20100237681

2010-09-23

Mining machine, in particular surface miner, as well as method for the removal and installation of a transport device in a mining machine

#112

20100231026

2010-09-16

HEADING MACHINE

#113

20100219675

2010-09-02

Articulate continuous miner

#114

20100148567

2010-06-17

TEMPORARY POWER EQUIPMENT TRANSPORT SYSTEM FOR MOVING MINING EQUIPMENT AND METHOD OF USE

#115

20100107455

2010-05-06

Skewed roller on an excavator

#116

20090191011

2009-07-30

Supporting device for an advance working or mining machine

#117

20090066148

2009-03-12

Continuous miner having a sumping frame

#118

20090058172

2009-03-05

Mining machine with driven disc cutters

#119

20080284236

2008-11-20

Roller assembly

#120

20080283256

2008-11-20

Rolling assembly and pick assembly mounted on a trencher

#121

20080217986

2008-09-11

Extendable cutter drum for a boring machine

#122

20080191541

2008-08-14

Geosteering detectors for rotary-type continuous miners

#123

20080185903

2008-08-07

Radar mining guidance control system

#124

20080100123

2008-05-01

Conveyor segment, driving means and method for high wall mining

#125

20070296262

2007-12-27

Cutting machine

#126

20070216216

2007-09-20

Mining apparatus with precision navigation system

#127

20070046095

2007-03-01

Mining device

#128

20070035173

2007-02-15

Low Profile Mining Machine

#129

20070035171

2007-02-15

Narrow bench mining system

#130

20060061205

2006-03-23

Device for producing a gas-liquid mixture in the vicinity of cutting tools

#131

20060038438

2006-02-23

Method and apparatus for remote self-propelled conveying in mineral deposits

#132

20050248209

2005-11-10

Hewing or cutting roll

#133

20050146198

2005-07-07

Core breaker for an earth strata cutting assembly

#134

20050129466

2005-06-16

Roadheading or mining machine with roof bolt drilling and setting devices

#135

20050040692

2005-02-24

Method and apparatus for remote self-propelled conveying in mineral deposits

#136

20050023881

2005-02-03

Geosteering detectors for boring-type continuous miners