along the working face

Industry

CPC
E21D23/0004

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Parent Industries

EFIXED CONSTRUCTIONS E21Mining E21DSHAFTS TUNNELS GALLERIES LARGE UNDERGROUND CHAMBERS E21D23/00Mine roof supports for step- by- step movement

Current Industry

E21D23/0004along the working face

Industries

Patents Grantslast 30 patents

Information Patent Grant
Roof support including extendable links
- Patent number 11,655,711
- Issue date May 23, 2023
- Joy Global Underground Mining LLC
- Keith Dodgson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Multi-section non-pillar staggered protected roadway for deep incli...
- Patent number 10,989,051
- Issue date Apr 27, 2021
- Panshi Xie
- E21 - EARTH DRILLING MINING
Information Patent Grant
Longwall face support in an underground mine
- Patent number 10,404,948
- Issue date Sep 3, 2019
- Tiefenbach Control Systems GmbH
- Peter Rahms
- E21 - EARTH DRILLING MINING
Information Patent Grant
Longwall optimization control
- Patent number 10,208,592
- Issue date Feb 19, 2019
- Joy Global Underground Mining LLC
- Gareth Rimmington
- E21 - EARTH DRILLING MINING
Information Patent Grant
Longwall system face alignment detection and steering
- Patent number 10,087,754
- Issue date Oct 2, 2018
- Joy Global Underground Mining LLC
- Gareth Rimmington
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method for removing hydraulic support for solid filling coal mining
- Patent number 10,036,252
- Issue date Jul 31, 2018
- China University of Mining and Technology
- Feng Ju
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method for the controlled maintaining of a distance between the top...
- Patent number 8,567,870
- Issue date Oct 29, 2013
- RAG Aktiengesselschaft
- Martin Junker
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method for automatically creating a defined face opening in longwal...
- Patent number 8,567,871
- Issue date Oct 29, 2013
- RAG Aktiegesellschaft
- Martin Junker
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method for automatically producing a defined face opening in plow o...
- Patent number 8,376,467
- Issue date Feb 19, 2013
- RAG Aktiengesellschaft
- Martin Junker
- E21 - EARTH DRILLING MINING
Information Patent Grant
Continuous mining linear advance system
- Patent number 5,567,018
- Issue date Oct 22, 1996
- Cyprus Amax Minerals Company
- Wm. Mark Hart
- E21 - EARTH DRILLING MINING
Information Patent Grant
Apparatus for mining a seam, in particular of coal
- Patent number 5,163,738
- Issue date Nov 17, 1992
- Peter V. Linsingen-Heintzmann
- E21 - EARTH DRILLING MINING
Information Patent Grant
Mining apparatus for utilization in recovering coal
- Patent number 4,906,133
- Issue date Mar 6, 1990
- J. Scott Martin
- E21 - EARTH DRILLING MINING
Information Patent Grant
Mobile mine-roof support
- Patent number 4,737,051
- Issue date Apr 12, 1988
- Hermann Hemscheidt Maschinenfabrik GmbH & Co.
- Hans Bull
- E21 - EARTH DRILLING MINING
Information Patent Grant
Mine roof supports
- Patent number 4,563,111
- Issue date Jan 7, 1986
- Dobson Park Industries PLC.
- James Seddon
- E21 - EARTH DRILLING MINING
Information Patent Grant
Mine roof support unit having dust suppression means
- Patent number 4,552,487
- Issue date Nov 12, 1985
- Gewerkschaft Eisenhutte Westfalia
- Walter Weirich
- E21 - EARTH DRILLING MINING
Information Patent Grant
Mine roof support system
- Patent number 4,312,609
- Issue date Jan 26, 1982
- Donnell H. Culley
- E21 - EARTH DRILLING MINING
Information Patent Grant
Mobile mine roof support system
- Patent number 4,307,982
- Issue date Dec 29, 1981
- Mining Machinery Development Corp.
- Robert C. Nelson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Hydraulic walking roof-support frame
- Patent number 4,155,675
- Issue date May 22, 1979
- Hermann Hemscheidt Maschinenfabrik GmbH & Co.
- Hans-Otto Friedrichs
- E21 - EARTH DRILLING MINING
Information Patent Grant
Mining machine having advancing mine roof supports
- Patent number 4,131,317
- Issue date Dec 26, 1978
- Consolidation Coal Company
- Will B. Jamison
- E21 - EARTH DRILLING MINING
Information Patent Grant
Mine roof support
- Patent number 4,114,387
- Issue date Sep 19, 1978
- Dowty Mining Equipment Limited
- Dennis Franklin Rutherford
- E21 - EARTH DRILLING MINING
Information Patent Grant
Mining method and apparatus
- Patent number 4,102,550
- Issue date Jul 25, 1978
- Peabody Coal Company
- John A. L. Campbell
- E21 - EARTH DRILLING MINING
Information Patent Grant
Apparatus for protecting of coal mine workers
- Patent number 4,067,618
- Issue date Jan 10, 1978
- Taiheiyo Engineering Inc.
- Shigeo Nakajima
- E21 - EARTH DRILLING MINING
Information Patent Grant
Mine roof supports
- Patent number 4,041,714
- Issue date Aug 16, 1977
- Gullick Dobson Limited
- Archelaius Dawson Allen
- E21 - EARTH DRILLING MINING
Information Patent Grant
Longwall mining roof support for double deck machines
- Patent number 4,029,361
- Issue date Jun 14, 1977
- Gewerkschaft Eisenhutte Westfalia
- Klaus Beckmann
- E21 - EARTH DRILLING MINING
Information Patent Grant
Movable roof support mechanism
- Patent number 4,026,118
- Issue date May 31, 1977
- The United States of America as represented by the Secretary of the Interior
- Frank Vernon McCay
- E21 - EARTH DRILLING MINING
Information Patent Grant
Hook plough apparatus for longwall mining
- Patent number 4,013,320
- Issue date Mar 22, 1977
- World Oil Mining Ltd.
- Robert W. Johns
- E21 - EARTH DRILLING MINING
Information Patent Grant
Assembly for preventing the fall of dust and debris in a mine
- Patent number 4,003,208
- Issue date Jan 18, 1977
- Gerd Hornung
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method for longwall mining with side-by-side arch sections
- Patent number 3,980,340
- Issue date Sep 14, 1976
- World Oil Mining Ltd.
- Robert W. Johns
- E21 - EARTH DRILLING MINING
Information Patent Grant
Tunnel layout for longwall mining using shields
- Patent number 3,960,408
- Issue date Jun 1, 1976
- World Oil Mining Ltd.
- Robert W. Johns
- E21 - EARTH DRILLING MINING
Information Patent Grant
Longwall mining system and archshield for mining tar sands, oil sha...
- Patent number 3,958,830
- Issue date May 25, 1976
- World Oil Mining Ltd.
- Robert W. Johns
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
ROOF SUPPORT INCLUDING EXTENDABLE LINKS
- Publication number 20230243260
- Publication date Aug 3, 2023
- Joy Global Underground Mining LLC
- Keith Dodgson
- E21 - EARTH DRILLING MINING
Information Patent Application
MULTI-SECTION NON-PILLAR STAGGERED PROTECTED ROADWAY FOR DEEP INCLI...
- Publication number 20200232323
- Publication date Jul 23, 2020
- XI'AN UNIVERSITY OF SCIENCE AND TECHNOLOGY
- Panshi XIE
- E21 - EARTH DRILLING MINING
Information Patent Application
ROOF SUPPORT INCLUDING EXTENDABLE LINKS
- Publication number 20200095863
- Publication date Mar 26, 2020
- Joy Global Underground Mining LLC
- Keith Dodgson
- E21 - EARTH DRILLING MINING
Information Patent Application
LONGWALL SYSTEM FACE ALIGNMENT DETECTION AND STEERING
- Publication number 20170275993
- Publication date Sep 28, 2017
- Joy MM Delaware, Inc.
- Gareth Rimmington
- G01 - MEASURING TESTING
Information Patent Application
SPRAY NOZZLE FOR UNDERGROUND ROOF SUPPORT
- Publication number 20170159436
- Publication date Jun 8, 2017
- Joy MM Delaware, Inc.
- Andrew G. Fairhurst
- E21 - EARTH DRILLING MINING
Information Patent Application
LONGWALL OPTIMINZATION CONTROL
- Publication number 20170159431
- Publication date Jun 8, 2017
- Joy MM Delaware, Inc.
- Gareth Rimmington
- E21 - EARTH DRILLING MINING
Information Patent Application
METHOD FOR REMOVING HYDRAULIC SUPPORT FOR SOLID FILLING COAL MINING
- Publication number 20170138194
- Publication date May 18, 2017
- Feng JU
- E21 - EARTH DRILLING MINING
Information Patent Application
LONGWALL FACE SUPPORT IN AN UNDERGROUND MINE
- Publication number 20170019641
- Publication date Jan 19, 2017
- TIEFENBACH CONTROL SYSTEMS GMBH
- Peter RAHMS
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEMS AND METHODS FOR MONITORING LONGWALL MINE ROOF STABILITY
- Publication number 20160362980
- Publication date Dec 15, 2016
- Joy MM Delaware, Inc.
- Jason Knuth
- G08 - SIGNALLING
Information Patent Application
ROOF SUPPORT MONITORING FOR LONGWALL SYSTEM
- Publication number 20160061036
- Publication date Mar 3, 2016
- Joy MM Delaware, Inc.
- Paul M. Siegrist
- G08 - SIGNALLING
Information Patent Application
ENSURING WORKING CONDITIONS ALONG A LONGWALL FACE
- Publication number 20160024922
- Publication date Jan 28, 2016
- CATERPILLAR GLOBAL MINING EUROPE GMBH
- Reiner SCHUSTER
- E21 - EARTH DRILLING MINING
Information Patent Application
Longwall Equipment Having Vertically Adjustable Disc Shearer Loader...
- Publication number 20110163590
- Publication date Jul 7, 2011
- RAG Aktiengesellschaft
- Armin Mozar
- E21 - EARTH DRILLING MINING
Information Patent Application
Method for Automatically Producing a Defined Face Opening in Plow O...
- Publication number 20110006584
- Publication date Jan 13, 2011
- RAG Aktiengesellshaft
- Martin Junker
- E21 - EARTH DRILLING MINING
Information Patent Application
Method for Automatically Creating a Defined Face Opening in Longwal...
- Publication number 20100327650
- Publication date Dec 30, 2010
- RAG AKTIENGESELLSCHAFT
- Martin Junker
- E21 - EARTH DRILLING MINING
Information Patent Application
Method for the Controlled Maintaining of a Distance Between the Top...
- Publication number 20100320827
- Publication date Dec 23, 2010
- RAG AKTIENGESELLSCHAFT
- Martin Junker
- E21 - EARTH DRILLING MINING

along the working face

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Roof support including extendable links

Multi-section non-pillar staggered protected roadway for deep incli...

Longwall face support in an underground mine

Longwall optimization control

Longwall system face alignment detection and steering

Method for removing hydraulic support for solid filling coal mining

Method for the controlled maintaining of a distance between the top...

Method for automatically creating a defined face opening in longwal...

Method for automatically producing a defined face opening in plow o...

Continuous mining linear advance system

Apparatus for mining a seam, in particular of coal

Mining apparatus for utilization in recovering coal

Mobile mine-roof support

Mine roof supports

Mine roof support unit having dust suppression means

Mine roof support system

Mobile mine roof support system

Hydraulic walking roof-support frame

Mining machine having advancing mine roof supports

Mine roof support

Mining method and apparatus

Apparatus for protecting of coal mine workers

Mine roof supports

Longwall mining roof support for double deck machines

Movable roof support mechanism

Hook plough apparatus for longwall mining

Assembly for preventing the fall of dust and debris in a mine

Method for longwall mining with side-by-side arch sections

Tunnel layout for longwall mining using shields

Longwall mining system and archshield for mining tar sands, oil sha...

Patents Applicationslast 30 patents

ROOF SUPPORT INCLUDING EXTENDABLE LINKS

MULTI-SECTION NON-PILLAR STAGGERED PROTECTED ROADWAY FOR DEEP INCLI...

ROOF SUPPORT INCLUDING EXTENDABLE LINKS

LONGWALL SYSTEM FACE ALIGNMENT DETECTION AND STEERING

SPRAY NOZZLE FOR UNDERGROUND ROOF SUPPORT

LONGWALL OPTIMINZATION CONTROL

METHOD FOR REMOVING HYDRAULIC SUPPORT FOR SOLID FILLING COAL MINING

LONGWALL FACE SUPPORT IN AN UNDERGROUND MINE

SYSTEMS AND METHODS FOR MONITORING LONGWALL MINE ROOF STABILITY

ROOF SUPPORT MONITORING FOR LONGWALL SYSTEM

ENSURING WORKING CONDITIONS ALONG A LONGWALL FACE

Longwall Equipment Having Vertically Adjustable Disc Shearer Loader...

Method for Automatically Producing a Defined Face Opening in Plow O...

Method for Automatically Creating a Defined Face Opening in Longwal...

Method for the Controlled Maintaining of a Distance Between the Top...