Gewerkschaft Eisenhutte Westfalia GmbH

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Lunen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Channel sections for scraper-chain conveyors
- Patent number 5,224,582
- Issue date Jul 6, 1993
- Gewerkschaft Eisenhutte Westfalia GmbH
- Detlef Hahn
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Guides for mineral winning machines
- Patent number 5,184,873
- Issue date Feb 9, 1993
- Gewerkschaft Eisenhutte Westfalia GmbH
- Heinz-Otto Fiesel
- E21 - EARTH DRILLING MINING
Information Patent Grant
Mineral mining installation with chain-tensioning system
- Patent number 5,171,065
- Issue date Dec 15, 1992
- Gewerkschaft Eisenhutte Westfalia GmbH
- Bernd Steinkuhl
- E21 - EARTH DRILLING MINING
Information Patent Grant
Guides for mineral winning ploughs
- Patent number 5,167,438
- Issue date Dec 1, 1992
- Gewerkschaft Eisenhutte Westfalia GmbH
- Heinz-Otto Fiesel
- E21 - EARTH DRILLING MINING
Information Patent Grant
Valve units for use in hydraulic control systems of mining equipment
- Patent number 5,159,872
- Issue date Nov 3, 1992
- Gewerkschaft Eisenhutte Westfalia GmbH
- Michael Dettmers
- E21 - EARTH DRILLING MINING
Information Patent Grant
Balanced hydraulic valve devices
- Patent number 5,157,947
- Issue date Oct 27, 1992
- Gewerkschaft Eisenhutte Westfalia GmbH
- Walter Weirich
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Guides for mineral winning ploughs
- Patent number 5,139,313
- Issue date Aug 18, 1992
- Gewerkschaft Eisenhutte Westfalia GmbH
- Heinz-Otto Fiesel
- E21 - EARTH DRILLING MINING
Information Patent Grant
Electrical devices for measuring hydraulic pressure
- Patent number 5,134,888
- Issue date Aug 4, 1992
- Gewerkschaft Eisenhutte Westfalia GmbH
- Richard Zylka
- G01 - MEASURING TESTING
Information Patent Grant
Machines for straightening elongate components such as anode rods
- Patent number 5,117,672
- Issue date Jun 2, 1992
- Gewerkschaft Eisenhutte Westfalia GmbH
- Erwin Collet
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Roof supports for a mining installation
- Patent number 5,104,267
- Issue date Apr 14, 1992
- Gewerkschaft Eisenhutte Westfalia GmbH
- Gunter Lagodka
- E21 - EARTH DRILLING MINING
Information Patent Grant
Arrangement for emergency operation of hydraulic appliance in an el...
- Patent number 5,060,556
- Issue date Oct 29, 1991
- Gewerkschaft Eisenhutte Westfalia GmbH
- Walter Weirich
- E21 - EARTH DRILLING MINING
Information Patent Grant
Electro-hydraulic control system for a mineral mining installation
- Patent number 5,062,033
- Issue date Oct 29, 1991
- Gewerkschaft Eisenhutte Westfalia GmbH
- Willy Kussel
- E21 - EARTH DRILLING MINING
Information Patent Grant
Driving systems for driving endless chains or the like in mining ap...
- Patent number 5,055,092
- Issue date Oct 8, 1991
- Gewerkschaft Eisenhutte Westfalia GmbH
- Werner Langenberg
- E21 - EARTH DRILLING MINING
Information Patent Grant
Conveyor installations
- Patent number 5,033,605
- Issue date Jul 23, 1991
- Gewerkschaft Eisenhutte Westfalia GmbH
- Alfred Marquart
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Apparatus for determining the tension in a chain or the like
- Patent number 5,033,315
- Issue date Jul 23, 1991
- Gewerkschaft Eisenhutte Westfalia GmbH
- Gerhard Merten
- G01 - MEASURING TESTING
Information Patent Grant
Planetary overriding gearing and overriding driving for chain belts...
- Patent number 4,939,949
- Issue date Jul 10, 1990
- Gewerkschaft Eisenhutte Westfalia GmbH
- Werner Langenberg
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Valve devices for use with mining equipment
- Patent number 4,936,714
- Issue date Jun 26, 1990
- Gewerkschaft Eisenhutte Westfalia GmbH
- Bayramali Demircan
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Control of mineral mining machines
- Patent number 4,934,757
- Issue date Jun 19, 1990
- Gewerkschaft Eisenhutte Westfalia GmbH
- Bernd Steinkuhl
- E21 - EARTH DRILLING MINING
Information Patent Grant
Electro-magnetically operated valve devices
- Patent number 4,907,779
- Issue date Mar 13, 1990
- Gewerkschaft Eisenhutte Westfalia GmbH
- Michael Dettmers
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Electro-hydraulic control systems
- Patent number 4,906,143
- Issue date Mar 6, 1990
- Gewerkschaft Eisenhutte Westfalia GmbH
- Willy Kussel
- E21 - EARTH DRILLING MINING
Information Patent Grant
Data transmission/reception systems for electro-hydraulic control s...
- Patent number 4,899,332
- Issue date Feb 6, 1990
- Gewerkschaft Eisenhutte Westfalia GmbH
- Johannes Konig
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drive assemblies for chain-driven mining machinery
- Patent number 4,887,991
- Issue date Dec 19, 1989
- Gewerkschaft Eisenhutte Westfalia GmbH
- Heinrich Cwielong
- E21 - EARTH DRILLING MINING
Information Patent Grant
Cable assembly for mineral mining installations
- Patent number 4,874,335
- Issue date Oct 17, 1989
- Gewerkschaft Eisenhutte Westfalia GmbH
- Willy Kussel
- G02 - OPTICS
Information Patent Grant
Method of, and apparatus for, monitoring the operation of electroma...
- Patent number 4,870,364
- Issue date Sep 26, 1989
- Gewerkschaft Eisenhutte Westfalia GmbH
- Uwe Trox
- G01 - MEASURING TESTING
Information Patent Grant
Roof supports
- Patent number 4,828,433
- Issue date May 9, 1989
- Gewerkschaft Eisenhutte Westfalia GmbH
- Egon Wojaczek
- E21 - EARTH DRILLING MINING
Information Patent Grant
Propulsion systems for mineral mining machines
- Patent number 4,819,989
- Issue date Apr 11, 1989
- Gewerkschaft Eisenhutte Westfalia GmbH
- Herbert Kleine
- E21 - EARTH DRILLING MINING
Information Patent Grant
Roof supports
- Patent number 4,815,898
- Issue date Mar 28, 1989
- Gewerkschaft Eisenhutte Westfalia GmbH
- Egon Wojaczek
- E21 - EARTH DRILLING MINING
Information Patent Grant
Pressure-relief valve devices
- Patent number 4,790,347
- Issue date Dec 13, 1988
- Gewerkschaft Eisenhutte Westfalia GmbH
- Walter Weirich
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Pipe-driving apparatus
- Patent number 4,790,395
- Issue date Dec 13, 1988
- Gewerkschaft Eisenhutte Westfalia GmbH
- Helmut Gack
- E21 - EARTH DRILLING MINING
Information Patent Grant
Connections for scraper-chain conveyors
- Patent number 4,787,501
- Issue date Nov 29, 1988
- Gewerkschaft Eisenhutte Westfalia GmbH
- Christoph Rassmann
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Gewerkschaft Eisenhutte Westfalia GmbH

Organization

Patents Grantslast 30 patents

Channel sections for scraper-chain conveyors

Guides for mineral winning machines

Mineral mining installation with chain-tensioning system

Guides for mineral winning ploughs

Valve units for use in hydraulic control systems of mining equipment

Balanced hydraulic valve devices

Guides for mineral winning ploughs

Electrical devices for measuring hydraulic pressure

Machines for straightening elongate components such as anode rods

Roof supports for a mining installation

Arrangement for emergency operation of hydraulic appliance in an el...

Electro-hydraulic control system for a mineral mining installation

Driving systems for driving endless chains or the like in mining ap...

Conveyor installations

Apparatus for determining the tension in a chain or the like

Planetary overriding gearing and overriding driving for chain belts...

Valve devices for use with mining equipment

Control of mineral mining machines

Electro-magnetically operated valve devices

Electro-hydraulic control systems

Data transmission/reception systems for electro-hydraulic control s...

Drive assemblies for chain-driven mining machinery

Cable assembly for mineral mining installations

Method of, and apparatus for, monitoring the operation of electroma...

Roof supports

Propulsion systems for mineral mining machines

Roof supports

Pressure-relief valve devices

Pipe-driving apparatus

Connections for scraper-chain conveyors

Patents Applicationslast 30 patents

Trademarklast 30 trademarks