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Conveyor bridges used in co-operation with the winning apparatus
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CPC
E21C47/04
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Parent Industries
E
FIXED CONSTRUCTIONS
E21
Mining
E21C
MINING OR QUARRYING
E21C47/00
Machines for obtaining or the removal of materials in open-pit mines
Current Industry
E21C47/04
Conveyor bridges used in co-operation with the winning apparatus
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Patents Grants
last 30 patents
Information
Patent Grant
Feeder
Patent number
10,954,786
Issue date
Mar 23, 2021
MMD Design & Consultancy Limited
Christopher Pearson
E21 - EARTH DRILLING MINING
Information
Patent Grant
Apparatus and methods for cemented multi-zone completions
Patent number
10,590,767
Issue date
Mar 17, 2020
Weatherford Technology Holdings, LLC
Jeffrey John Lembcke
E21 - EARTH DRILLING MINING
Information
Patent Grant
Excavation utilizing dual hopper system
Patent number
10,233,616
Issue date
Mar 19, 2019
Caterpillar Inc.
Paul Friend
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Apparatus and methods for cemented multi-zone completions
Patent number
9,926,783
Issue date
Mar 27, 2018
Weatherford Technology Holdings, LLC
Jeffrey John Lembcke
E21 - EARTH DRILLING MINING
Information
Patent Grant
Mining methods and systems using mobile conveyors
Patent number
9,145,261
Issue date
Sep 29, 2015
THYSSENKRUPP INDUSTRIAL SOLUTIONS (USA), INC.
Christof Brewka
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Method for open pit bench mining
Patent number
8,366,201
Issue date
Feb 5, 2013
Drummond Company, Inc.
Garry N. Drummond
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Mining methods and systems using mobile conveyors
Patent number
8,348,349
Issue date
Jan 8, 2013
ThyssenKrupp Robins, Inc.
Christof Brewka
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Method and apparatus for open pit bench mining
Patent number
7,726,465
Issue date
Jun 1, 2010
Drummond Company, Inc.
Garry N. Drummond
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Mobile connecting belt bridge for open pit mining
Patent number
5,404,988
Issue date
Apr 11, 1995
Krupp Fordertechnik GmbH
Herbert Konigs
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Connecting elevator
Patent number
4,693,661
Issue date
Sep 15, 1987
O & K Orenstein & Koppel AG
Reinhard Trumper
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method of excavating overburden in surface mining operations
Patent number
4,624,504
Issue date
Nov 25, 1986
Mannesmann Aktiengesellschaft
Rudiger Franke
E21 - EARTH DRILLING MINING
Information
Patent Grant
Cross-pit conveyor
Patent number
4,489,818
Issue date
Dec 25, 1984
Mannesmann AG
Rudiger Franke
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Cross-pit conveyor
Patent number
4,446,958
Issue date
May 8, 1984
Dresser Industries, Inc.
Thomas H. Dalrymple
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Surface mining method
Patent number
4,290,651
Issue date
Sep 22, 1981
Dresser Industries, Inc.
Thomas I. Files
E21 - EARTH DRILLING MINING
Information
Patent Grant
Apparatus for progessively removing layers of overburden from an in...
Patent number
4,183,586
Issue date
Jan 15, 1980
The Research Council of Alberta
Howard D. Owen
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
3744615
Patent number
3,744,615
Issue date
Jul 10, 1973
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Patents Applications
last 30 patents
Information
Patent Application
FEEDER
Publication number
20240140737
Publication date
May 2, 2024
MMD GROUP LIMITED
Christopher PEARSON
E21 - EARTH DRILLING MINING
Information
Patent Application
FEEDER
Publication number
20200173279
Publication date
Jun 4, 2020
MMD Design & Consultancy Limited
Christopher PEARSON
E21 - EARTH DRILLING MINING
Information
Patent Application
APPARATUS AND METHODS FOR CEMENTED MULTI-ZONE COMPLETIONS
Publication number
20180171797
Publication date
Jun 21, 2018
Weatherford Technology Holdings, LLC.
Jeffrey John LEMBCKE
E21 - EARTH DRILLING MINING
Information
Patent Application
MINING METHODS AND SYSTEMS USING MOBILE CONVEYORS
Publication number
20130206548
Publication date
Aug 15, 2013
ThyssenKrupp Robins, Inc.
Christof Brewka
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Application
MINING METHODS AND SYSTEMS USING MOBILE CONVEYORS
Publication number
20100308641
Publication date
Dec 9, 2010
ThyssenKrupp Robins, Inc.
Christof Brewka
E21 - EARTH DRILLING MINING
Information
Patent Application
METHOD FOR OPEN PIT BENCH MINING
Publication number
20100171360
Publication date
Jul 8, 2010
DRUMMOND COMPANY, INC.
Garry N. Drummond
E21 - EARTH DRILLING MINING
Information
Patent Application
Method and Apparatus for Open Pit Bench Mining
Publication number
20080093911
Publication date
Apr 24, 2008
DRUMMOND COMPANY, INC.
Garry N. Drummond
E21 - EARTH DRILLING MINING