Equipment for pressing the conveyor towards the working face

Industry

CPC
E21C35/14

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Parent Industries

EFIXED CONSTRUCTIONS E21Mining E21CMINING OR QUARRYING E21C35/00Miscellaneous items relating to machines for slitting or completely freeing the mineral from the seam

Current Industry

E21C35/14Equipment for pressing the conveyor towards the working face

Industries

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Patents Grantslast 30 patents

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
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
Plough guide for a chain-pulled plough
- Patent number 7,641,286
- Issue date Jan 5, 2010
- DBT GmbH
- Gerhard Siepenkort
- E21 - EARTH DRILLING MINING
Information Patent Grant
Methods of controlling the operation of mineral mining installations
- Patent number 4,708,394
- Issue date Nov 24, 1987
- Gewerkschaft Eisenhutte Westfalia GmbH
- Uwe Trox
- E21 - EARTH DRILLING MINING
Information Patent Grant
Longwall mineral mining installation
- Patent number 4,389,072
- Issue date Jun 21, 1983
- Gewerkschaft Eisenhutte Westfalia
- Horst Linke
- E21 - EARTH DRILLING MINING
Information Patent Grant
Thrust device using hydraulic jacks
- Patent number 4,248,136
- Issue date Feb 3, 1981
- Charbonnages de France
- Guy Blanpain
- E21 - EARTH DRILLING MINING
Information Patent Grant
Hydraulic conduit systems for mine installations
- Patent number 4,247,226
- Issue date Jan 27, 1981
- Gewerkschaft Eisenhutte Westfalia
- Walter Weirich
- E21 - EARTH DRILLING MINING
Information Patent Grant
Device for mining of thick strata of useful minerals
- Patent number 4,240,666
- Issue date Dec 23, 1980
- Centralny Osrodek Projektowokonstrukcyjny Maszyn Gorniczych KOMAG
- Wojciech Podgorski
- E21 - EARTH DRILLING MINING
Information Patent Grant
Coal mining method at a long-walled pit face of the coal mine
- Patent number 4,127,303
- Issue date Nov 28, 1978
- Taiheiyo Engineering Incorporated
- Shigeo Nakajima
- E21 - EARTH DRILLING MINING
Information Patent Grant
Control systems and arrangements for mineral mining installations
- Patent number 4,112,680
- Issue date Sep 12, 1978
- Gewerkschaft Eisenhutte Westfalia
- Hans Theodor Grisebach
- E21 - EARTH DRILLING MINING
Information Patent Grant
Apparatus for automatically shifting the conveyor at the pit face i...
- Patent number 4,099,781
- Issue date Jul 11, 1978
- Taiheiyo Engineering Incorporated
- Isao Sawayama
- E21 - EARTH DRILLING MINING
Information Patent Grant
Control system for a mineral mining installation
- Patent number 4,099,782
- Issue date Jul 11, 1978
- Gewerkschaft Eisenhutte Westfalia
- Walter Weirich
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method of and apparatus for controlling advance of underground armo...
- Patent number 4,093,309
- Issue date Jun 6, 1978
- Coal Industry (Patents) Ltd.
- Rex Mullins
- E21 - EARTH DRILLING MINING
Information Patent Grant
Control systems and arrangements for use in mineral mining installa...
- Patent number 4,046,058
- Issue date Sep 6, 1977
- Gewerkschaft Eisenhutte Westfalia
- Hans Theodor Grisebach
- E21 - EARTH DRILLING MINING
Information Patent Grant
Hydraulic control systems for use with mining apparatus
- Patent number 4,046,060
- Issue date Sep 6, 1977
- Gewerkschaft Eisenhutte Westfalia
- Kunibert Becker
- E21 - EARTH DRILLING MINING
Information Patent Grant
Control systems and arrangements for use in mineral mining installa...
- Patent number 3,965,797
- Issue date Jun 29, 1976
- Gewerkschaft Eisenhutte Westfalia
- Hans Theodor Grisebach
- E21 - EARTH DRILLING MINING
Information Patent Grant
3857246
- Patent number 3,857,246
- Issue date Dec 31, 1974
- E21 - EARTH DRILLING MINING
Information Patent Grant
3721159
- Patent number 3,721,159
- Issue date Mar 20, 1973
- E21 - EARTH DRILLING MINING
Information Patent Grant
3531162
- Patent number 3,531,162
- Issue date Sep 29, 1970
- E21 - EARTH DRILLING MINING
Information Patent Grant
3489460
- Patent number 3,489,460
- Issue date Jan 13, 1970
- E21 - EARTH DRILLING MINING
Information Patent Grant
3482878
- Patent number 3,482,878
- Issue date Dec 9, 1969
- E21 - EARTH DRILLING MINING
Information Patent Grant
3419312
- Patent number 3,419,312
- Issue date Dec 31, 1968
- E21 - EARTH DRILLING MINING
Information Patent Grant
3381590
- Patent number 3,381,590
- Issue date May 7, 1968
- E21 - EARTH DRILLING MINING
Information Patent Grant
3372792
- Patent number 3,372,792
- Issue date Mar 12, 1968
- E21 - EARTH DRILLING MINING
Information Patent Grant
3276819
- Patent number 3,276,819
- Issue date Oct 4, 1966
- E21 - EARTH DRILLING MINING
Information Patent Grant
3217608
- Patent number 3,217,608
- Issue date Nov 16, 1965
- E21 - EARTH DRILLING MINING
Information Patent Grant
3084920
- Patent number 3,084,920
- Issue date Apr 9, 1963
- E21 - EARTH DRILLING MINING
Information Patent Grant
2592358
- Patent number 2,592,358
- Issue date Apr 8, 1952
- E21 - EARTH DRILLING MINING
Information Patent Grant
1737327
- Patent number 1,737,327
- Issue date Nov 26, 1929
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

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
Plough guide for a chain-pulled plough
- Publication number 20060244302
- Publication date Nov 2, 2006
- Gerhard Siepenkort
- E21 - EARTH DRILLING MINING

Equipment for pressing the conveyor towards the working face

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Longwall optimization control

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

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

Plough guide for a chain-pulled plough

Methods of controlling the operation of mineral mining installations

Longwall mineral mining installation

Thrust device using hydraulic jacks

Hydraulic conduit systems for mine installations

Device for mining of thick strata of useful minerals

Coal mining method at a long-walled pit face of the coal mine

Control systems and arrangements for mineral mining installations

Apparatus for automatically shifting the conveyor at the pit face i...

Control system for a mineral mining installation

Method of and apparatus for controlling advance of underground armo...

Control systems and arrangements for use in mineral mining installa...

Hydraulic control systems for use with mining apparatus

Control systems and arrangements for use in mineral mining installa...

3857246

3721159

3531162

3489460

3482878

3419312

3381590

3372792

3276819

3217608

3084920

2592358

1737327

Patents Applicationslast 30 patents

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

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

Plough guide for a chain-pulled plough