Distributing hydraulic power Pipe networks for hydraulic liquid

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CPC
E21F17/08

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EFIXED CONSTRUCTIONS E21Mining E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS E21F17/00Methods or devices for use in mines or tunnels, not covered elsewhere

Current Industry

E21F17/08Distributing hydraulic power Pipe networks for hydraulic liquid

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Patents Grantslast 30 patents

Information Patent Grant
Arrangement for passage control of mine vehicles
- Patent number 7,337,865
- Issue date Mar 4, 2008
- Sandvik Mining and Construction Oy
- Brett Cook
- G05 - CONTROLLING REGULATING
Information Patent Grant
Method and hydraulic system for controlling supply of fluid to comb...
- Patent number 4,648,659
- Issue date Mar 10, 1987
- Gosudarstvenny Proektno-Konstruktorsky I Experimentalny Institut Ugolnogo Mas...
- Felix Z. Masovich
- E21 - EARTH DRILLING MINING
Information Patent Grant
Arrangement for supplying of consumers with pressure fluids
- Patent number 4,586,530
- Issue date May 6, 1986
- Bochumer Eisenhutte Heintzmann GmbH & Co. KG
- Peter Heintzmann
- E21 - EARTH DRILLING MINING
Information Patent Grant
Supply of liquid media for a hydraulic-mechanically operating mine...
- Patent number 4,555,142
- Issue date Nov 26, 1985
- M.A.N. Maschinenfabrik Augsburg-Nurnberg A.G.
- Joachim Holz
- E21 - EARTH DRILLING MINING
Information Patent Grant
Mineral mining installation
- Patent number 4,325,659
- Issue date Apr 20, 1982
- Gewerkschaft Eisenhutte Westfalia
- Lubomir Plevak
- E21 - EARTH DRILLING MINING
Information Patent Grant
Hydraulic coupling device
- Patent number 4,319,772
- Issue date Mar 16, 1982
- Gewerkschaft Eisenhutte Westfalia
- Walter Weirich
- E21 - EARTH DRILLING MINING
Information Patent Grant
Mining equipment
- Patent number 4,274,765
- Issue date Jun 23, 1981
- Winster Engineering Limited
- Adam M. Spence
- 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
Hydraulic coupling device
- Patent number 4,247,135
- Issue date Jan 27, 1981
- Gewerkschaft Eisenhutte Westfalia
- Walter Weirich
- E21 - EARTH DRILLING MINING
Information Patent Grant
Multi-core hydraulic duct
- Patent number 4,149,567
- Issue date Apr 17, 1979
- Gewerkschaft Eisenhutte Westfalia
- Walter Weirich
- E21 - EARTH DRILLING MINING
Information Patent Grant
Looped cable control device
- Patent number 4,119,348
- Issue date Oct 10, 1978
- Perard Engineering Limited
- Brian Matthew Curtis
- E21 - EARTH DRILLING MINING
Information Patent Grant
Coal plough having separately adjustable cutters and flexible fluid...
- Patent number 4,119,347
- Issue date Oct 10, 1978
- Gewerkschaft Eisenhutte Westfalia
- Gerhard Merten
- E21 - EARTH DRILLING MINING
Information Patent Grant
3795108
- Patent number 3,795,108
- Issue date Mar 5, 1974
- E21 - EARTH DRILLING MINING
Information Patent Grant
2870786
- Patent number 2,870,786
- Issue date Jan 27, 1959
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Supply line
- Publication number 20070131105
- Publication date Jun 14, 2007
- Friedrich Wilhelm Dannehl
- E21 - EARTH DRILLING MINING
Information Patent Application
Arrangement for passage control of mine vehicles
- Publication number 20060249321
- Publication date Nov 9, 2006
- Brett Cook
- G05 - CONTROLLING REGULATING

Distributing hydraulic power Pipe networks for hydraulic liquid

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Arrangement for passage control of mine vehicles

Method and hydraulic system for controlling supply of fluid to comb...

Arrangement for supplying of consumers with pressure fluids

Supply of liquid media for a hydraulic-mechanically operating mine...

Mineral mining installation

Hydraulic coupling device

Mining equipment

Hydraulic conduit systems for mine installations

Hydraulic coupling device

Multi-core hydraulic duct

Looped cable control device

Coal plough having separately adjustable cutters and flexible fluid...

3795108

2870786

Patents Applicationslast 30 patents

Supply line

Arrangement for passage control of mine vehicles