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MINING OR QUARRYING
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E21C
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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
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
Information
Patent Grant
Drill bit for downhole electrocrushing drilling
Patent number
12,163,427
Issue date
Dec 10, 2024
Halliburton Energy Services, Inc.
William M. Moeny
B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information
Patent Grant
Microwave energy applicator
Patent number
12,163,428
Issue date
Dec 10, 2024
Off-World, Inc.
James Jason Murray
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Grant
Ground engaging tool locking system
Patent number
12,163,315
Issue date
Dec 10, 2024
Joy Global Surface Mining Inc
Nicholas R. Voelz
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Pumping system
Patent number
12,152,608
Issue date
Nov 26, 2024
Weir Minerals Netherlands B.V.
Rudolfus Van Rijswick
E21 - EARTH DRILLING MINING
Information
Patent Grant
Mining system
Patent number
12,146,409
Issue date
Nov 19, 2024
Underground Extraction Technologies Pty Ltd
Michael Mapp
E21 - EARTH DRILLING MINING
Information
Patent Grant
Earth working machine having a rotatable working apparatus axially...
Patent number
12,139,861
Issue date
Nov 12, 2024
Wirtgen GmbH
Christian Berning
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Grant
Method for quickly optimizing key mining parameters of outburst coa...
Patent number
12,135,926
Issue date
Nov 5, 2024
Chongqing University
Quanle Zou
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and system for coalbed permeability-enhancement induced by p...
Patent number
12,098,638
Issue date
Sep 24, 2024
Taiyuan University of Technology
Zijun Feng
E21 - EARTH DRILLING MINING
Information
Patent Grant
Underground mining methods via boreholes and multilateral blast-holes
Patent number
12,098,636
Issue date
Sep 24, 2024
Daniel B. Palmer
E21 - EARTH DRILLING MINING
Information
Patent Grant
I-patterned filling method for initial stage of coal mining based o...
Patent number
12,098,637
Issue date
Sep 24, 2024
Taiyuan University of Technology
Guorui Feng
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and device for determining development status of separation...
Patent number
12,091,972
Issue date
Sep 17, 2024
CHINA UNIVERSITY OF MINING & TECHNOLOGY, BEIJING
Yifan Zeng
E21 - EARTH DRILLING MINING
Information
Patent Grant
Roadway/tunnel excavation robot and automatic cutting control method
Patent number
12,091,977
Issue date
Sep 17, 2024
China University of Mining and Technology
Hongxiang Jiang
E21 - EARTH DRILLING MINING
Information
Patent Grant
Tracer diffusion device, system for tracing development of water co...
Patent number
12,091,971
Issue date
Sep 17, 2024
CHINA UNIVERISTY OF MINING AND TECHNOLOGY, BEIJING
Yifan Zeng
E21 - EARTH DRILLING MINING
Information
Patent Grant
Gas mining cover arrangement
Patent number
12,091,973
Issue date
Sep 17, 2024
LUNAR HELIUM-3 MINING, LLC
Chris Salvino
E21 - EARTH DRILLING MINING
Information
Patent Grant
Attack inserts with differing surface finishes, assemblies, systems...
Patent number
12,076,837
Issue date
Sep 3, 2024
U.S. Synthetic Corporation
Grant Kyle Daniels
B24 - GRINDING POLISHING
Patents Applications
last 30 patents
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
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...
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
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
Information
Patent Application
OPTIMIZING USE OF BATTERY ELECTRIC MINE VEHICLES BASED ON SIMULATIONS
Publication number
20240420518
Publication date
Dec 19, 2024
Modular Mining Systems, Inc.
Kyle Everly
G07 - CHECKING-DEVICES
Information
Patent Application
METHOD FOR TRAINING COAL ROCK INTERFACE RECOGNITION MODEL, METHOD F...
Publication number
20240410279
Publication date
Dec 12, 2024
CCTEG BEIJING TIANMA INTELLIGENT CONTROL TECHNOLOGY CO., LTD.
Yao Cui
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
MACHINE PICK, HOLDING DEVICE, EXCAVATION SYSTEM, AND METHOD
Publication number
20240410278
Publication date
Dec 12, 2024
ROCKFEEL GMBH
Joerg Bretschneider
E21 - EARTH DRILLING MINING
Information
Patent Application
Solar Cells Incorporating FeOx Thin-Films
Publication number
20240405143
Publication date
Dec 5, 2024
Blue Origin, LLC
Jeong Chul Lee
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD AND A CONTROL NODE FOR CONTROLLING A MINING RIG
Publication number
20240401479
Publication date
Dec 5, 2024
EPIROC ROCK DRILLS AKTIEBOLAG
Björn SYSE
E21 - EARTH DRILLING MINING
Information
Patent Application
MECHANICAL CONTINUOUS MINING DEVICE INTEGRATING MICROWAVES AND CUTT...
Publication number
20240392683
Publication date
Nov 28, 2024
NORTHEASTERN UNIVERSITY
Feng LIN
E21 - EARTH DRILLING MINING
Information
Patent Application
NON-ROTATING BIT FOR CUTTING TOOL
Publication number
20240384653
Publication date
Nov 21, 2024
Caterpillar Paving Products Inc.
Christopher BARNARD
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Application
ALTERNATING STEPPING DEEP-SEA MINING SYSTEM AND METHOD BASED ON CLE...
Publication number
20240367761
Publication date
Nov 7, 2024
Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences
Songwei SHENG
E21 - EARTH DRILLING MINING
Information
Patent Application
TRIGGERING EXPLOSIVES IN HOLES
Publication number
20240361108
Publication date
Oct 31, 2024
Olitek Pty Ltd
Anthony James Sprague
F42 - AMMUNITION BLASTING
Information
Patent Application
MATERIAL CATEGORISATION AND TRANSPORTATION SYSTEMS AND METHODS
Publication number
20240353856
Publication date
Oct 24, 2024
TECHNOLOGICAL RESOURCES PTY. LIMITED
Florian Andreas Oppolzer
E21 - EARTH DRILLING MINING
Information
Patent Application
AUTOMATED UPDATING OF GEOLOGICAL MODEL BOUNDARIES FOR IMPROVED ORE...
Publication number
20240352857
Publication date
Oct 24, 2024
TECHNOLOGICAL RESOURCES PTY. LIMITED
Danielle Robinson
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
METHOD AND SYSTEM FOR MINING
Publication number
20240337161
Publication date
Oct 10, 2024
NOVAMERA INC.
Stephen Douglas Butt
E21 - EARTH DRILLING MINING
Information
Patent Application
CUTTING ASSEMBLY FOR LONGWALL MINING SYSTEM
Publication number
20240328315
Publication date
Oct 3, 2024
Joy Global Underground Mining LLC
Edward Niederriter
E21 - EARTH DRILLING MINING
Information
Patent Application
HYBRID-TYPE ROCK SPLITTING PACKER USING WATER PRESSURE AND RUBBER I...
Publication number
20240328316
Publication date
Oct 3, 2024
SONGAM CO., LTD
Jong Oh PARK
E21 - EARTH DRILLING MINING
Information
Patent Application
ROTARY BORING MINING MACHINE INERTIAL STEERING SYSTEM
Publication number
20240318552
Publication date
Sep 26, 2024
The Mosaic Company
Roy W. Tivas
E21 - EARTH DRILLING MINING
Information
Patent Application
A CUTTING HEAD ASSEMBLY
Publication number
20240309761
Publication date
Sep 19, 2024
OPTIMA MINING SYSTEMS PTY LTD
Benjamin Charles Michael BROWN
E21 - EARTH DRILLING MINING
Information
Patent Application
SYSTEMS AND METHODS FOR AUTOMATED CONTROL OF A BEAM STAGELOADER BOO...
Publication number
20240308774
Publication date
Sep 19, 2024
Joy Global Underground Mining LLC
Benjamin John Robert Lepre
E21 - EARTH DRILLING MINING