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Machines which completely free the mineral from the seam
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Industry
CPC
E21C27/00
This industry / category may be too specific. Please go to a parent level for more data
Parent Industries
E
FIXED CONSTRUCTIONS
E21
Mining
E21C
MINING OR QUARRYING
Current Industry
E21C27/00
Machines which completely free the mineral from the seam
Sub Industries
E21C27/01
specially adapted for removing overhanging coal
E21C27/02
solely by slitting
E21C27/04
by a single chain guided on a frame with or without auxiliary slitting means
E21C27/06
with a slewing frame
E21C27/08
with additional means for cutting the mineral into blocks
E21C27/10
by both slitting and breaking-down
E21C27/12
breaking-down effected by acting on the vertical face of the mineral
E21C27/122
with breaking-down members having a striking action
E21C27/124
with rotatable cutters provided with breaking-down members
E21C27/126
with slitting and breaking-down members situated in parallel on an intermediary level
E21C27/128
with breaking-down members functioning on the slitting level
E21C27/14
breaking-down effected by force or pressure applied to side of slit
E21C27/16
with means for both slitting and breaking-down
E21C27/18
by both slitting and planing
E21C27/20
Mineral freed by means not involving slitting
E21C27/22
by rotary drills with breaking-down means, e.g. wedge-shaped drills
E21C27/24
by milling means acting on the full working face
E21C27/26
by closely adjacent cutter chains acting on the full working face
E21C27/28
by percussive drills with breaking-down means
E21C27/30
by jaws, buckets or scoops that scoop-out the mineral
E21C27/32
by adjustable or non-adjustable planing means with or without loading arrangements
E21C27/34
Machine propelled along the working face by cable or chain
E21C27/35
Ram-ploughs
E21C27/36
Machine self-propelled along the working face
E21C27/38
Machine stationary while planing in an arc
E21C27/40
Machine and its planing tool making alternative step-wise movements along the working face
E21C27/42
combined with scraper or collector box
E21C27/44
Planing knives
E21C27/46
by percussed planing means
Industries
Overview
Organizations
People
Information
Impact
Patents Grants
last 30 patents
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
Method and system for mining
Patent number
12,031,382
Issue date
Jul 9, 2024
Novamera Inc.
Stephen Douglas Butt
E21 - EARTH DRILLING MINING
Information
Patent Grant
Cutting device and support for same
Patent number
11,939,868
Issue date
Mar 26, 2024
Joy Global Underground Mining LLC
Nagy Daher
E21 - EARTH DRILLING MINING
Information
Patent Grant
Disc cutter for undercutting apparatus and a method of manufacture...
Patent number
11,933,107
Issue date
Mar 19, 2024
Sandvik Mining and Construction Tools AB
Bjorn Claesson
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
System and method for estimating a payload of an industrial machine
Patent number
11,891,772
Issue date
Feb 6, 2024
Joy Global Surface Mining Inc
Paul Ryan
E21 - EARTH DRILLING MINING
Information
Patent Grant
Cutting assembly for a mining machine
Patent number
11,846,189
Issue date
Dec 19, 2023
Sandvik Mining and Construction G.m.b.H.
Friedrich Pucher
E21 - EARTH DRILLING MINING
Information
Patent Grant
Recovering conveyor systems and continuous miners from mined plunge...
Patent number
11,788,412
Issue date
Oct 17, 2023
Underground Extraction Technologies Pty Ltd
Michael Mapp
E21 - EARTH DRILLING MINING
Information
Patent Grant
Cutting assembly for longwall mining system
Patent number
11,761,333
Issue date
Sep 19, 2023
Joy Global Underground Mining LLC
Edward Niederriter
E21 - EARTH DRILLING MINING
Information
Patent Grant
Self-propelled milling machine, as well as method for controlling a...
Patent number
11,761,155
Issue date
Sep 19, 2023
Wirtgen GmbH
Christian Berning
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Grant
Mining system
Patent number
11,746,653
Issue date
Sep 5, 2023
Underground Extraction Technologies Pty Ltd
Michael Mapp
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method for removing material from a rock wall
Patent number
11,725,512
Issue date
Aug 15, 2023
Joy Global Underground Mining LLC
Russell P. Smith
E21 - EARTH DRILLING MINING
Information
Patent Grant
Cutting head for rock cutting machine
Patent number
11,629,594
Issue date
Apr 18, 2023
Joy Global Underground Mining LLC
Alex Connell
E21 - EARTH DRILLING MINING
Information
Patent Grant
Six-arm tunneling and anchoring machine for integrating tunneling a...
Patent number
11,619,131
Issue date
Apr 4, 2023
LANG FANG JING LONG GRAND INDUSTRIAL MACHINERY CO., LTD.
Changyan Pu
E21 - EARTH DRILLING MINING
Information
Patent Grant
Cutting device and support for same
Patent number
11,613,993
Issue date
Mar 28, 2023
Joy Global Underground Mining LLC
Nagy Daher
E21 - EARTH DRILLING MINING
Information
Patent Grant
High power laser tunneling mining and construction equipment and me...
Patent number
11,590,606
Issue date
Feb 28, 2023
Foro Energy, Inc.
Brian O. Faircloth
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Ground engaging tool locking system
Patent number
11,555,295
Issue date
Jan 17, 2023
Joy Global Surface Mining Inc
Nicholas R. Voelz
E21 - EARTH DRILLING MINING
Information
Patent Grant
Cutting device with tapered cutting element
Patent number
11,499,426
Issue date
Nov 15, 2022
Joy Global Underground Mining LLC
Joaquim Antonio Soares de Sousa
B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information
Patent Grant
Self-propelled milling machine, as well as method for controlling a...
Patent number
11,466,412
Issue date
Oct 11, 2022
Wirtgen GmbH
Christian Berning
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Grant
Mining machine with articulating boom and independent material hand...
Patent number
11,391,149
Issue date
Jul 19, 2022
Joy Global Underground Mining LLC
Nagy Daher
E21 - EARTH DRILLING MINING
Information
Patent Grant
Cutter head for mining machine
Patent number
11,371,346
Issue date
Jun 28, 2022
Joy Global Underground Mining LLC
Russell P. Smith
E21 - EARTH DRILLING MINING
Information
Patent Grant
Cutter head for mining machine
Patent number
11,339,657
Issue date
May 24, 2022
Joy Global Underground Mining LLC
Russell P. Smith
E21 - EARTH DRILLING MINING
Information
Patent Grant
Rock cutting assembly
Patent number
11,319,754
Issue date
May 3, 2022
Joy Global Underground Mining LLC
Nagy Daher
E21 - EARTH DRILLING MINING
Information
Patent Grant
Impact sensor and control system for a longwall shearer
Patent number
11,319,809
Issue date
May 3, 2022
Joy Global Underground Mining Inc
Edward F. Niederriter
E21 - EARTH DRILLING MINING
Information
Patent Grant
System and method for specifying and controlling sump depth
Patent number
11,306,585
Issue date
Apr 19, 2022
Joy Global Underground Mining Inc
Wilhelmus Henrickus Theunissen
E21 - EARTH DRILLING MINING
Information
Patent Grant
Heading machine with cusp cutter
Patent number
11,299,987
Issue date
Apr 12, 2022
Sandvik Mining and Construction G.m.b.H.
Ralf Grief
E21 - EARTH DRILLING MINING
Information
Patent Grant
Rock cutting assembly
Patent number
11,274,497
Issue date
Mar 15, 2022
Joy Global Underground Mining LLC
Nagy Daher
E21 - EARTH DRILLING MINING
Information
Patent Grant
Impact event logging system and method for longwall shearer
Patent number
11,180,993
Issue date
Nov 23, 2021
Joy Global Underground Mining LLC
Edward F. Niederriter
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Rope cam dipper
Patent number
11,156,086
Issue date
Oct 26, 2021
Joy Global Surface Mining Inc
Matthew L. Gross
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Cable handling system for longwall mining machines
Patent number
11,149,546
Issue date
Oct 19, 2021
Caterpillar Global Mining Europe GmbH
Euan Russell Kirkhope
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Vehicle body utilized in rockbreaker, rockbreaker and rock breaking...
Patent number
11,047,234
Issue date
Jun 29, 2021
CHENGDU LIESHIZHE ROCK-BREAKING TECHNOLOGY LLC
Xijia Ling
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Patents Applications
last 30 patents
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
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
METHOD OF MINING A ROCK FORMATION USING A DISC CUTTER AND A ROCK BR...
Publication number
20240247588
Publication date
Jul 25, 2024
Element Six (UK) Limited
Shuo LU
E21 - EARTH DRILLING MINING
Information
Patent Application
GUIDE SHOE FOR MINING MACHINE
Publication number
20240183272
Publication date
Jun 6, 2024
Joy Global Underground Mining LLC
Ryan E. Perry
E21 - EARTH DRILLING MINING
Information
Patent Application
HIGH POWER LASER TUNNELING MINING AND CONSTRUCTION EQUIPMENT AND ME...
Publication number
20230321749
Publication date
Oct 12, 2023
Foro Energy, Inc.
Daryl L. Grubb
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Mining System
Publication number
20230265758
Publication date
Aug 24, 2023
Underground Extraction Technologies Pty Ltd
Michael Mapp
E21 - EARTH DRILLING MINING
Information
Patent Application
CUTTING DEVICE AND SUPPORT FOR SAME
Publication number
20230228192
Publication date
Jul 20, 2023
Joy Global Underground Mining LLC
Nagy Daher
E21 - EARTH DRILLING MINING
Information
Patent Application
CUTTING ASSEMBLY FOR A MINING MACHINE
Publication number
20230048925
Publication date
Feb 16, 2023
Sandvik Mining and Construction G.m.b.H.
Friedrich PUCHER
E21 - EARTH DRILLING MINING
Information
Patent Application
CABLE HANDLING SYSTEM FOR LONGWALL MINING MACHINES
Publication number
20220403738
Publication date
Dec 22, 2022
Caterpillar Inc.
Siddartha Saikia
E21 - EARTH DRILLING MINING
Information
Patent Application
SYSTEM AND METHOD FOR ESTIMATING A PAYLOAD OF AN INDUSTRIAL MACHINE
Publication number
20220307219
Publication date
Sep 29, 2022
Joy Global Surface Mining Inc
Paul Ryan
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
Self-propelled construction machine or mining machine
Publication number
20220290384
Publication date
Sep 15, 2022
WIRTGEN GMBH
Holger Thieme
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Application
Method and System for Mining
Publication number
20220154567
Publication date
May 19, 2022
NOVAMERA INC.
Stephen Douglas Butt
E21 - EARTH DRILLING MINING
Information
Patent Application
CUTTING ASSEMBLY FOR LONGWALL MINING SYSTEM
Publication number
20220154576
Publication date
May 19, 2022
Joy Global Underground Mining LLC
Edward Niederriter
E21 - EARTH DRILLING MINING
Information
Patent Application
METHOD AND DEVICE FOR MONITORING OPERATION OF A MINING MACHINE UNIT
Publication number
20220136390
Publication date
May 5, 2022
Caterpillar SARL
Euan KIRKHOPE
E21 - EARTH DRILLING MINING
Information
Patent Application
Six-Arm Tunneling and Anchoring Machine for Integrating Tunneling a...
Publication number
20220090498
Publication date
Mar 24, 2022
LANG FANG JING LONG GRAND INDUSTRIAL MACHINERY CO., LTD.
Changyan PU
E21 - EARTH DRILLING MINING
Information
Patent Application
CUTTING HEAD FOR ROCK CUTTING MACHINE
Publication number
20220074305
Publication date
Mar 10, 2022
Joy Global Underground Mining LLC
Alex Connell
E21 - EARTH DRILLING MINING
Information
Patent Application
DISC CUTTER FOR UNDERCUTTING APPARATUS AND A METHOD OF MANUFACTURE...
Publication number
20220010627
Publication date
Jan 13, 2022
SANDVIK MINING AND CONSTRUCTION TOOLS AB
Bjorn CLAESSON
B22 - CASTING POWDER METALLURGY
Information
Patent Application
GRAVEL EXCAVATION SYSTEM
Publication number
20210317740
Publication date
Oct 14, 2021
Northern Colorado Constructors, Inc.
Christopher J. Zadel
E21 - EARTH DRILLING MINING
Information
Patent Application
IMPACT SENSOR AND CONTROL SYSTEM FOR A LONGWALL SHEARER
Publication number
20210254461
Publication date
Aug 19, 2021
Joy Global Underground Mining LLC
Edward F. Niederriter
E21 - EARTH DRILLING MINING
Information
Patent Application
Advance and Retreat Automatic Control Method Based on Hydraulic Sen...
Publication number
20210156250
Publication date
May 27, 2021
Suhua LIU
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Application
RECIPROCATING IMPACT BEVEL TOOTH DISCHARGING SHOVEL OF RECIPROCATIN...
Publication number
20210140316
Publication date
May 13, 2021
Suhua Liu
E21 - EARTH DRILLING MINING
Information
Patent Application
METERING HYDRAULIC CONTROL SYSTEM FOR MINING MACHINE
Publication number
20210131066
Publication date
May 6, 2021
Sandvik Intellectual Property AB
Reinhold POGATSCHNIGG
E21 - EARTH DRILLING MINING
Information
Patent Application
MINING MACHINE WITH ARTICULATING BOOM AND INDEPENDENT MATERIAL HAND...
Publication number
20210102463
Publication date
Apr 8, 2021
Joy Global Underground Mining LLC
Nagy Daher
E21 - EARTH DRILLING MINING
Information
Patent Application
HEADING MACHINE WITH CUSP CUTTER
Publication number
20210047926
Publication date
Feb 18, 2021
Sandvik Mining and Construction G.m.b.H.
Ralf GRIEF
E21 - EARTH DRILLING MINING
Information
Patent Application
ABSORPTION-INDUCTION CONVECTIONAL DUST-CONTROLLING/REMOVING AIR/FOG...
Publication number
20210047927
Publication date
Feb 18, 2021
SHANDONG UNIVERSITY OF SCIENCE AND TECHNOLOGY
Wen NIE
E21 - EARTH DRILLING MINING
Information
Patent Application
CUTTING DEVICE WITH TAPERED CUTTING ELEMENT
Publication number
20210032989
Publication date
Feb 4, 2021
Joy Global Underground Mining LLC
Joaquim Antonio Soares de Sousa
E21 - EARTH DRILLING MINING
Information
Patent Application
Self-propelled milling machine, as well as method for controlling a...
Publication number
20210025119
Publication date
Jan 28, 2021
WIRTGEN GMBH
Christian Berning
E21 - EARTH DRILLING MINING
Information
Patent Application
ROTARY CUTTING HEAD WITH FLUID SUPPLY DUCTING
Publication number
20200378253
Publication date
Dec 3, 2020
Sandvik Intellectual Property AB
Ralf GRIEF
E21 - EARTH DRILLING MINING
Information
Patent Application
DIPPER DOOR TRIP ASSEMBLY
Publication number
20200370272
Publication date
Nov 26, 2020
Joy Global Surface Mining Inc
Matthew L. Gross
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
VEHICLE BODY UTILIZED IN ROCKBREAKER, ROCKBREAKER AND ROCK BREAKING...
Publication number
20200355074
Publication date
Nov 12, 2020
Chengdu Lieshizhe Rock-Breaking Technology LLC.
Xijia LING
E21 - EARTH DRILLING MINING