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Crushing devices specifically for conveying in mines
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CPC
E21F13/002
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Parent Industries
E
FIXED CONSTRUCTIONS
E21
Mining
E21F
SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
E21F13/00
Transport specially adapted to underground conditions
Current Industry
E21F13/002
Crushing devices specifically for conveying in mines
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Patents Grants
last 30 patents
Information
Patent Grant
Auxiliary transportation and support system used after rapid excava...
Patent number
11,459,888
Issue date
Oct 4, 2022
LANG FANG JING LONG GRAND INDUSTRIAL MACHINERY CO., LTD.
Changyan Pu
E21 - EARTH DRILLING MINING
Information
Patent Grant
Automatic coal mining machine and fluidized coal mining method
Patent number
11,391,151
Issue date
Jul 19, 2022
CHINA UNIVERSITY OF MINING & TECHNOLOGY, BEIJING
Yang Ju
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Grant
Feeder breaker with reduced fines generation
Patent number
10,589,285
Issue date
Mar 17, 2020
Joy Global Underground Mining LLC
Charles M. Anderson
E21 - EARTH DRILLING MINING
Information
Patent Grant
Conveyor system for mining equipment
Patent number
10,550,694
Issue date
Feb 4, 2020
Joy Global Underground Mining LLC
Charles W. Watson
E21 - EARTH DRILLING MINING
Information
Patent Grant
Control system for material gathering mechanism
Patent number
10,036,253
Issue date
Jul 31, 2018
Caterpillar Inc.
Carl Moberg
E21 - EARTH DRILLING MINING
Information
Patent Grant
Mineral material processing method and processing plant
Patent number
9,726,015
Issue date
Aug 8, 2017
Metso Minerals, Inc.
Juhamatti Heikkila
E21 - EARTH DRILLING MINING
Information
Patent Grant
Lump breaker for mining machine
Patent number
9,140,120
Issue date
Sep 22, 2015
Joy MM Delaware, Inc.
Edward F. Niederriter
E21 - EARTH DRILLING MINING
Information
Patent Grant
Continuous-extraction mining system
Patent number
8,985,704
Issue date
Mar 24, 2015
Joy MM Delaware, Inc.
Joseph J. Zimmerman
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Method of mineral fuel beneficiation with subsequent delivery to th...
Patent number
8,931,852
Issue date
Jan 13, 2015
Chuluun Enkhbold
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Grant
Method and device for extracting extraction products in underground...
Patent number
7,350,874
Issue date
Apr 1, 2008
DBT GmbH
Reinhold Brüggemann
E21 - EARTH DRILLING MINING
Information
Patent Grant
Apparatus for the underground operation of a movable mining machine
Patent number
4,758,049
Issue date
Jul 19, 1988
Voest-Alpine Aktiengesellschaft
Gerhard Wernigg
E21 - EARTH DRILLING MINING
Information
Patent Grant
Feeder/crusher machine
Patent number
4,418,872
Issue date
Dec 6, 1983
Baker Mine Services, Inc.
Robert C. Nelson
E21 - EARTH DRILLING MINING
Information
Patent Grant
Material handling facility
Patent number
4,205,795
Issue date
Jun 3, 1980
American Pulverizer Company
Donald F. Graveman
E21 - EARTH DRILLING MINING
Information
Patent Grant
Continuous-operation crushing machine
Patent number
4,203,557
Issue date
May 20, 1980
KloAktiengesellschaft
Karl Bahre
E21 - EARTH DRILLING MINING
Information
Patent Grant
Crusher for solid materials transported by pressurized liquid
Patent number
4,175,814
Issue date
Nov 27, 1979
Ohbayashi-Gumi Co., Ltd.
Masahiro Ozasa
E21 - EARTH DRILLING MINING
Information
Patent Grant
Mineral lump breaker
Patent number
4,172,561
Issue date
Oct 30, 1979
Dresser Europe S.A.
George A. Parrott
E21 - EARTH DRILLING MINING
Information
Patent Grant
Breaking apparatus for use with a conveyor
Patent number
4,125,227
Issue date
Nov 14, 1978
Dresser Europe S.A.
George A. Parrott
E21 - EARTH DRILLING MINING
Information
Patent Grant
Horizontal-type single toggle jaw breaker
Patent number
4,124,170
Issue date
Nov 7, 1978
Halbach & Braun
Ernst Braun
E21 - EARTH DRILLING MINING
Information
Patent Grant
Auxiliary device for a mining machine
Patent number
4,123,110
Issue date
Oct 31, 1978
Dresser Europe S.A.
George A. Parrott
E21 - EARTH DRILLING MINING
Information
Patent Grant
Hose and linkage support apparatus for a sump vehicle
Patent number
4,089,053
Issue date
May 9, 1978
Continental Oil Company
Ronald W. Umphrey
E21 - EARTH DRILLING MINING
Information
Patent Grant
Self-propelled material storage and feeding vehicle
Patent number
4,084,751
Issue date
Apr 18, 1978
North American Galis Company
Alex J. Galis
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and apparatus for mining
Patent number
4,079,999
Issue date
Mar 21, 1978
Kaiser Resources Ltd.
Arthur W. T. Grimley
E21 - EARTH DRILLING MINING
Information
Patent Grant
Feeder crusher
Patent number
4,073,445
Issue date
Feb 14, 1978
S & S Corporation
David Clonch
E21 - EARTH DRILLING MINING
Information
Patent Grant
Low profile sump with submerged transverse roll crusher
Patent number
3,998,395
Issue date
Dec 21, 1976
Continental Oil Company
Ronald W. Umphrey
E21 - EARTH DRILLING MINING
Information
Patent Grant
Apparatus for hydraulically transporting solids
Patent number
3,931,999
Issue date
Jan 13, 1976
Continental Oil Company
David L. McCain
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
3219390
Patent number
3,219,390
Issue date
Nov 23, 1965
E21 - EARTH DRILLING MINING
Information
Patent Grant
1772987
Patent number
1,772,987
Issue date
Aug 12, 1930
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
FEEDER BREAKER WITH REDUCED FINES GENERATION
Publication number
20190009279
Publication date
Jan 10, 2019
Joy MM Delaware, Inc.
Charles M. Anderson
B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information
Patent Application
CONVEYOR SYSTEM FOR MINING EQUIPMENT
Publication number
20180347359
Publication date
Dec 6, 2018
Joy Global Underground Mining LLC
Charles W. Watson
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Application
LUMP CRUSHER FOR A SCRAPER CHAIN CONVEYOR
Publication number
20160017710
Publication date
Jan 21, 2016
CATERPILLAR GLOBAL MINING EUROPE GMBH
Bernhard WLEKLINSKI
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Application
MINERAL MATERIAL PROCESSING METHOD AND PROCESSING PLANT
Publication number
20150292327
Publication date
Oct 15, 2015
METSO MINERALS, INC.
Juhamatti Heikkila
B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information
Patent Application
CONTINUOUS-EXTRACTION MINING SYSTEM
Publication number
20140286738
Publication date
Sep 25, 2014
Joseph J. Zimmerman
E21 - EARTH DRILLING MINING
Information
Patent Application
LUMP BREAKER FOR MINING MACHINE
Publication number
20140084666
Publication date
Mar 27, 2014
Edward F. Niederriter
E21 - EARTH DRILLING MINING
Information
Patent Application
CONTINUOUS-EXTRACTION MINING SYSTEM
Publication number
20130214585
Publication date
Aug 22, 2013
Joseph J. Zimmerman
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
CONTINUOUS-EXTRACTION MINING SYSTEM
Publication number
20130119745
Publication date
May 16, 2013
Joy MM Delaware, Inc.
Joseph J. Zimmerman
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
METHOD OF MINERAL FUEL BENEFICIATION WITH SUBSEQUENT DELIVERY TO TH...
Publication number
20130099552
Publication date
Apr 25, 2013
Chuluun Enkhbold
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Application
Method and device for extracting extraction products in underground...
Publication number
20060208555
Publication date
Sep 21, 2006
DBT GmbH
Reinhold Brüggemann
E21 - EARTH DRILLING MINING