ClassID:

135912

E21C41/22 - CPC Classification

Classification description:

Methods of underground or surface mining ; Layouts therefor; Methods of underground mining ; Layouts therefor for ores, e.g. mining placers

Recent Application in this class:
#1
20260043328
2026-02-12

FLEXIBLE ELECTRODE TUBE FOR ELECTRIFIED RARE EARTH MINING AND APPLICATION METHOD THEREFOR

#2
20250283408
2025-09-11

MODULAR PLATFORM SYSTEM FOR VERTICAL ORE STOPE MINING

#3
20250257657
2025-08-14

APPARATUS AND METHOD DESIGNING CHARGING AND BLASTING FOR STOPE EXCAVATION

#4
20250172067
2025-05-29

BLOCK CAVING MINE CONFIGURATIONS AND METHODS

#5
20250092783
2025-03-20

METHOD AND SYSTEM FOR MINING RARE EARTH ORE BY DIRECT CURRENT

#6
20240352857
2024-10-24

AUTOMATED UPDATING OF GEOLOGICAL MODEL BOUNDARIES FOR IMPROVED ORE EXTRACTION

#7
20240318552
2024-09-26

ROTARY BORING MINING MACHINE INERTIAL STEERING SYSTEM

#8
20240003252
2024-01-04

CONTINUOUS MINING AND DELAYED FILLING MINING METHOD FOR DEEP ORE BODY MASONRY STRUCTURE

#9
20230243259
2023-08-03

Microwave-mechanical fluidization mining system and mining method for metal mines

#10
20230228193
2023-07-20

RAISE CAVING METHOD FOR MINING AN ORE FROM AN ORE BODY, AND A MINING INFRASTRUCTURE, MONITORING SYSTEM, MACHINERY, CONTROL SYSTEM AND DATA MEDIUM THEREFOR

#11
20230203947
2023-06-29

Multi-energy complementary system for co-associated abandoned mine and use method

#12
20230134275
2023-05-04

Mining method

#13
20230126105
2023-04-27

Systems and methods of underhand closed bench mining

#14
20230059714
2023-02-23

ROCK-PIERCING FLEXIBLE ROCK DRILLING ROBOT AND ROCK BREAKING METHOD

#15
20220349304
2022-11-03

Rotary boring mining machine inertial steering system

#16
20220341322
2022-10-27

MEASUREMENT SYSTEM AND MEASUREMENT METHOD

#17
20220049606
2022-02-17

Automated updating of geological model boundaries for improved ore extraction

#18
20210293145
2021-09-23

Mining method

#19
20210221719
2021-07-22

Engineered yeast as a method for bioremediation

#20
20200370432
2020-11-26

Rotary boring mining machine inertial steering system

#21
20200190907
2020-06-18

Method of Surface Borehole Mining Using Horizontal Drilling Techniques

#22
20180238171
2018-08-23

Method and an apparatus for creating a void for underground mining

#23
20180100394
2018-04-12

Telerobotic shrinkage mining

#24
20170138193
2017-05-18

Mine management system

#25
20160215621
2016-07-28

Mine mining system

#26
20150019133
2015-01-15

Acoustic monitoring of block caving

#27
20140339880
2014-11-20

Ore removal production line, twin ramps and ground support installation method

#28
20130106165
2013-05-02

Block caving method

#29
20120181844
2012-07-19

CONTINUOUS MINING

#30
20090315388
2009-12-24

Mining method for co-extraction of non-combustible ore and mine methane