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MINING OR QUARRYING
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CPC
E21C
Parent Industries
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FIXED CONSTRUCTIONS
E21
Mining
Current Industry
E21C
MINING OR QUARRYING
Sub Industries
E21C1/00
Rotary-drilling machines
E21C11/00
Supports or guides for drilling machines Columns to which the machine is clamped
E21C25/00
Cutting machines
E21C27/00
Machines which completely free the mineral from the seam
E21C29/00
Propulsion of machines for slitting or completely freeing the mineral from the seam
E21C3/00
Drilling machines with reciprocating tool that is intermittently turned when out of contact with the working face
E21C31/00
Driving means incorporated in machines for slitting or completely freeing the mineral from the seam
E21C33/00
Trucks or other devices for transporting machines for slitting or completely freeing the mineral from the seam
E21C35/00
Miscellaneous items relating to machines for slitting or completely freeing the mineral from the seam
E21C37/00
Other methods or devices for dislodging with or without loading
E21C39/00
Devices for testing in situ the hardness or other properties of minerals
E21C41/00
Methods of underground or surface mining Lay-outs therefor
E21C43/00
Methods for preparing for the gasification of coal underground
E21C45/00
Methods of hydraulic mining Hydraulic monitors
E21C47/00
Machines for obtaining or the removal of materials in open-pit mines
E21C49/00
Obtaining peat Machines therefor
E21C5/00
Devices for feeding tool to working face
E21C50/00
Obtaining minerals from underwater, not otherwise provided for
E21C51/00
Apparatus for, or methods of, winning materials from extraterrestrial sources
E21C7/00
Dust eliminating or dust removing while drilling
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Patents Grants
last 30 patents
Information
Patent Grant
Method for monitoring hydraulic fracturing range of surface vertica...
Patent number
12,360,275
Issue date
Jul 15, 2025
University of Science and Technology Beijing
Sitao Zhu
E21 - EARTH DRILLING MINING
Information
Patent Grant
Bit tip insert
Patent number
12,345,158
Issue date
Jul 1, 2025
The Sollami Company
Phillip Sollami
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Measurement system and measurement method
Patent number
12,345,159
Issue date
Jul 1, 2025
Komatsu Ltd.
Yuichi Kodama
E21 - EARTH DRILLING MINING
Information
Patent Grant
System and method for collecting operational vibration data for a m...
Patent number
12,331,491
Issue date
Jun 17, 2025
Joy Global Surface Mining Inc
Brian N. White
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Electric terminal assembly of a drive unit for use in a mining machine
Patent number
12,328,054
Issue date
Jun 10, 2025
Caterpillar Global Mining Europe GmbH
Michael Nafe
E21 - EARTH DRILLING MINING
Information
Patent Grant
Exploration method, exploration system, space probe, hydrogen suppl...
Patent number
12,325,539
Issue date
Jun 10, 2025
ISPACE, INC.
Takeshi Hakamada
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Mine material processing apparatus including gas spring wheel assem...
Patent number
12,319,090
Issue date
Jun 3, 2025
GACW INCORPORATED
Zoltan Kemeny
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Milling machine and process for the operation of a milling machine
Patent number
12,312,955
Issue date
May 27, 2025
Wirtgen GmbH
Christian Berning
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Grant
Forklift hydraulic motor based industrial driver apparatus
Patent number
12,313,096
Issue date
May 27, 2025
One Pass Innovators, LLC
Ryan DeWind
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Robust plasma blast probe tip
Patent number
12,312,956
Issue date
May 27, 2025
Petram Technologies, Inc.
Nicholas Magnotti
F42 - AMMUNITION BLASTING
Information
Patent Grant
System for extracting water from lunar regolith and associated method
Patent number
12,305,514
Issue date
May 20, 2025
University of Central Florida Research Foundation, Inc.
Philip Metzger
B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
Information
Patent Grant
Blast design
Patent number
12,305,969
Issue date
May 20, 2025
Orica International Pte Ltd
Angelo Labriola
F42 - AMMUNITION BLASTING
Information
Patent Grant
Hybrid solar thermal and chemical vehicle configurations for space...
Patent number
12,297,792
Issue date
May 13, 2025
Trans Astronautica Corporation
Joel C. Sercel
E21 - EARTH DRILLING MINING
Information
Patent Grant
Impact controller for primary rock breakage
Patent number
12,286,883
Issue date
Apr 29, 2025
Robert H. Dalrymple
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Grant
Underground drilling rig and method for erecting same
Patent number
12,276,193
Issue date
Apr 15, 2025
Bentec GmbH Drilling & Oilfield Systems
Jürgen Volkers
E21 - EARTH DRILLING MINING
Information
Patent Grant
Fluidized coal mining method utilizing self-energy storage of coal...
Patent number
12,252,972
Issue date
Mar 18, 2025
China University of Mining and Technology
Chaolin Zhang
E21 - EARTH DRILLING MINING
Information
Patent Grant
Microwave-based mining systems and methods with robotic arm waveguide
Patent number
12,252,988
Issue date
Mar 18, 2025
Off-World, Inc.
James Jason Murray
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Grant
Bolsters for degradation picks
Patent number
12,247,486
Issue date
Mar 11, 2025
Schlumberger Technology Corporation
Ronald Crockett
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Grant
Debris clearing rover
Patent number
12,247,487
Issue date
Mar 11, 2025
LUNAR HELIUM-3 MINING, LLC
Chris Salvino
E21 - EARTH DRILLING MINING
Information
Patent Grant
Integrated mining method of coal breaking, coal extraction and wate...
Patent number
12,241,371
Issue date
Mar 4, 2025
CHINA UNIVERSITY OF MINING & TECHNOLOGY, BEIJING
Yifan Zeng
E21 - EARTH DRILLING MINING
Information
Patent Grant
Milling tool
Patent number
12,227,907
Issue date
Feb 18, 2025
Jeffrey L. Rule
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Surrounding rock stability control method adapted for coal mining a...
Patent number
12,221,887
Issue date
Feb 11, 2025
CHINA UNIVERSITY OF MINING AND TECHNOLOGY
Jiong Wang
E21 - EARTH DRILLING MINING
Information
Patent Grant
Liquid-tight drive connection for engine and transmission coupling
Patent number
12,209,650
Issue date
Jan 28, 2025
Caterpillar Inc.
Michael Nafe
E21 - EARTH DRILLING MINING
Information
Patent Grant
Systems and methods for radiant gas dynamic mining of permafrost fo...
Patent number
12,203,371
Issue date
Jan 21, 2025
Trans Astronautica Corporation
Joel C. Sercel
E21 - EARTH DRILLING MINING
Information
Patent Grant
System for monitoring overlying roof rock and coal pillar of gob-si...
Patent number
12,203,374
Issue date
Jan 21, 2025
Yanchun Yin
E21 - EARTH DRILLING MINING
Information
Patent Grant
Systems and methods for non-contact boring
Patent number
12,196,082
Issue date
Jan 14, 2025
Phoenix Boring, Inc.
Ian Wright
E21 - EARTH DRILLING MINING
Information
Patent Grant
Cryogen chamber with adsorber
Patent number
12,186,699
Issue date
Jan 7, 2025
LUNAR HELIUM-3 MINING, LLC
Chris Salvino
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method for slope geological disaster treatment and mineral resource...
Patent number
12,180,834
Issue date
Dec 31, 2024
China University of Mining and Technology
Shuzhao Chen
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and system for three-dimensional (3D) imaging of underground...
Patent number
12,175,599
Issue date
Dec 24, 2024
China University of Geosciences (Wuhan)
Yule Hu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Mining method without coal pillars with roof-cutting and roadway re...
Patent number
12,168,931
Issue date
Dec 17, 2024
CHINA UNIVERSITY OF MINING & TECHNOLOGY, BEIJING
Jiong Wang
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
METHOD AND DEVICE FOR PREVENTING RIB SPALLING IN HIGH-STRESS SURROU...
Publication number
20250215798
Publication date
Jul 3, 2025
China University of Mining and Technology
Bo MENG
E21 - EARTH DRILLING MINING
Information
Patent Application
MINE PLANNING METHOD AND SYSTEM
Publication number
20250208314
Publication date
Jun 26, 2025
THE UNIVERSITY OF MELBOURNE
Joachim Hyam Rubinstein
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
CUTTING DISC WITH REMOVABLE CUTTING PORTIONS
Publication number
20250188837
Publication date
Jun 12, 2025
Joy Global Underground Mining LLC
Stuart Reeves
E21 - EARTH DRILLING MINING
Information
Patent Application
INDEXABLE EARTH CUTTING TOOL ASSEMBLY
Publication number
20250188838
Publication date
Jun 12, 2025
Kennametal Inc.
Jacob Poremski
E21 - EARTH DRILLING MINING
Information
Patent Application
Methods and Systems for Mining
Publication number
20250188839
Publication date
Jun 12, 2025
TECHNOLOGICAL RESOURCES PTY. LIMITED
Florian Andreas Oppolzer
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
SOIL DISRUPTING SYSTEM
Publication number
20250179918
Publication date
Jun 5, 2025
LUNAR HELIUM-3 MINING, LLC
Chris Salvino
E21 - EARTH DRILLING MINING
Information
Patent Application
MINER AUTOMATED HARDWARE INSTALLATION SYSTEM AND AUTOMATED BRATTICE...
Publication number
20250179917
Publication date
Jun 5, 2025
The Mosaic Company
Vincent Todd Brooks
E21 - EARTH DRILLING MINING
Information
Patent Application
BLOCK CAVING MINE CONFIGURATIONS AND METHODS
Publication number
20250172067
Publication date
May 29, 2025
Caveman Consulting Pty Ltd
Geoffrey Dunstan
E21 - EARTH DRILLING MINING
Information
Patent Application
METHOD FOR RECOVERING RESIDUAL COAL PILLARS BY FREEZING WATER ACCUM...
Publication number
20250163804
Publication date
May 22, 2025
Taiyuan University of Technology
Jun GUO
E21 - EARTH DRILLING MINING
Information
Patent Application
ELECTRIC-PULSE FRACTURING DEVICE AND METHOD FOR HARD ROOF OF COAL M...
Publication number
20250154868
Publication date
May 15, 2025
TAIYUAN UNIVERSITY OF TECHNOLOGY
Guorui Feng
E21 - EARTH DRILLING MINING
Information
Patent Application
METHOD AND SYSTEM FOR MONITORING COAL SHEARER STATUS BASED ON DIGIT...
Publication number
20250146413
Publication date
May 8, 2025
TAIYUAN UNIVERSITY OF TECHNOLOGY
Hua Ding
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Method and Apparatus for Priming a Dynamic Buoyancy System for a De...
Publication number
20250145263
Publication date
May 8, 2025
Impossible Metals Inc.
Eric PEARSON
E21 - EARTH DRILLING MINING
Information
Patent Application
Rotating Bit with Integral Washer Feature
Publication number
20250146412
Publication date
May 8, 2025
THE SOLLAMI COMPANY
Phillip Sollami
E21 - EARTH DRILLING MINING
Information
Patent Application
BLOCK FOR HOLDING A CUTTING BIT
Publication number
20250129720
Publication date
Apr 24, 2025
Kennametal Inc.
Robbie Bloom
E21 - EARTH DRILLING MINING
Information
Patent Application
SENSOR SYSTEM OF UNDERGROUND MINING VEHICLES AND UNDERGROUND MINING...
Publication number
20250129719
Publication date
Apr 24, 2025
SANDVIK MINING AND CONSTRUCTION OY
Pekka TAMMINEN
E21 - EARTH DRILLING MINING
Information
Patent Application
REBUILDABLE HARD SURFACE CUTTING TIP FOR MINING BIT
Publication number
20250122803
Publication date
Apr 17, 2025
Bit Service Company LTD
Scott BAHR
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
GROUND ENGAGING TOOL LOCKING SYSTEM
Publication number
20250101719
Publication date
Mar 27, 2025
Joy Global Surface Mining Inc
Nicholas R. Voelz
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
METHOD AND SYSTEM FOR MINING RARE EARTH ORE BY DIRECT CURRENT
Publication number
20250092783
Publication date
Mar 20, 2025
Guangzhou Institute of Geochemistry, Chinese Academy of Sciences
Gaofeng Wang
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
OIL SANDS TRUCK-AND-SHOVEL MINING OPERATION WITH PERFORMANCE MONITO...
Publication number
20250092784
Publication date
Mar 20, 2025
SYNCRUDE CANADA LTD. in trust for the owners of the Syncrude Project as such...
Chung H. TA
E21 - EARTH DRILLING MINING
Information
Patent Application
SYSTEMS AND METHODS FOR RADIANT GAS DYNAMIC MINING OF PERMAFROST
Publication number
20250092785
Publication date
Mar 20, 2025
Trans Astronautica Corporation
Joel C. Sercel
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Method For Controlling A Shearer In Three Dimensions And System
Publication number
20250084763
Publication date
Mar 13, 2025
Caterpillar Inc.
Martin TEINER
E21 - EARTH DRILLING MINING
Information
Patent Application
Longwall Shearer Positioning Method, Pan for Panline, Longwall Shea...
Publication number
20250084764
Publication date
Mar 13, 2025
Caterpillar Inc.
Martin TEINER
E21 - EARTH DRILLING MINING
Information
Patent Application
FLUIDIZED COAL MINING METHOD UTILIZING SELF-ENERGY STORAGE OF COAL...
Publication number
20250075605
Publication date
Mar 6, 2025
China University of Mining and Technology
Chaolin ZHANG
E21 - EARTH DRILLING MINING
Information
Patent Application
Device for Milling in Particular Rock and Other Materials
Publication number
20250075621
Publication date
Mar 6, 2025
Ulrich Bechem
E21 - EARTH DRILLING MINING
Information
Patent Application
Systems And Methods For Non-Contact Boring
Publication number
20250067176
Publication date
Feb 27, 2025
Phoenix Boring, Inc.
Ian Wright
E21 - EARTH DRILLING MINING
Information
Patent Application
METHOD FOR SCREENING KEY STRATUM FOR OVERBURDEN SEPARATION GROUTING...
Publication number
20250059889
Publication date
Feb 20, 2025
PING AN COAL MINING ENGINEERING TECHNOLOGY RESEARCH INSTITUTE CO., LTD
Hongjie SUN
E21 - EARTH DRILLING MINING
Information
Patent Application
ROTATABLE CUTTING TOOL WITH CUTTING INSERT AND BOLSTER
Publication number
20250052154
Publication date
Feb 13, 2025
Kennametal Inc.
Robbie D. Bloom
E21 - EARTH DRILLING MINING
Information
Patent Application
WEAR PROTECTION CAP AND A BIT HOLDER ARRANGEMENT
Publication number
20250052155
Publication date
Feb 13, 2025
Sandvik Mining and Construction G.m.b.H.
Ralf GRIEF
E21 - EARTH DRILLING MINING
Information
Patent Application
DEBRIS CLEARING ROVER
Publication number
20250043683
Publication date
Feb 6, 2025
Chris Salvino
E21 - EARTH DRILLING MINING
Information
Patent Application
DUST MITIGATION SYSTEM
Publication number
20250012188
Publication date
Jan 9, 2025
Epiroc Drilling Solutions, LLC
Mahmood Hassan
B08 - CLEANING