Transmission of signals and commands by cable

Industry

CPC
E21D23/146

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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

E21D23/146Transmission of signals and commands by cable

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Control mechanism for the extension units in the longwall face of a...
- Patent number 7,455,368
- Issue date Nov 25, 2008
- Tiefenbach Control Systems GmbH
- Willi Kussel
- E21 - EARTH DRILLING MINING
Information Patent Grant
Longwall support control for controlling the movements of longwall...
- Patent number 7,455,367
- Issue date Nov 25, 2008
- Tiefenbach Control Systems GmbH
- Ursula Kellermann
- E21 - EARTH DRILLING MINING
Information Patent Grant
Timbering and walling control for controlling the movements of timb...
- Patent number 7,416,369
- Issue date Aug 26, 2008
- Tiefenbach Control Systems GmbH
- Ursula Kellermann
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and a device for detecting the presence of personnel in unde...
- Patent number 6,512,312
- Issue date Jan 28, 2003
- DBT Automation GmbH
- Peter Herkenrath
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Mining control system for adjusting the advance of mining tools
- Patent number 6,361,119
- Issue date Mar 26, 2002
- Tiefenbach Bergbautechnik GmbH
- Willy Kussel
- 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
Apparatus for transmitting data
- Patent number 5,029,943
- Issue date Jul 9, 1991
- Gullick Dobson Limited
- Colin G. M. Merriman
- E21 - EARTH DRILLING MINING
Information Patent Grant
Electrohydraulic control means for hydraulic self-advancing support...
- Patent number 5,017,051
- Issue date May 21, 1991
- Hermann Hemscheidt Maschinenfabrik GmbH & Co.
- Heinrich Kowalik
- G05 - CONTROLLING REGULATING
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
Arrangement for controlling advancing timbering in underground mining
- Patent number 4,398,851
- Issue date Aug 16, 1983
- Siemens Aktiengesellschaft
- Guy Geuns
- E21 - EARTH DRILLING MINING
Information Patent Grant
Mining apparatus
- Patent number 4,330,154
- Issue date May 18, 1982
- Dowty Mining Equipment Limited
- Robert G. Harris
- E21 - EARTH DRILLING MINING
Information Patent Grant
Automatic longwall mining system and method
- Patent number 4,228,508
- Issue date Oct 14, 1980
- Bergwerksverband GmbH
- Friedrich Benthaus
- E21 - EARTH DRILLING MINING
Information Patent Grant
Control of self-advancing mine roof supports
- Patent number 4,146,271
- Issue date Mar 27, 1979
- Dobson Park Industries Limited
- Richard Ward
- E21 - EARTH DRILLING MINING
Information Patent Grant
Mine roof support control
- Patent number 4,134,270
- Issue date Jan 16, 1979
- Gullick Dobson Limited
- Fred Small
- E21 - EARTH DRILLING MINING
Information Patent Grant
Longwall mining apparatus
- Patent number 4,109,472
- Issue date Aug 29, 1978
- Dowty Mining Equipment Limited
- Robert G. Harris
- E21 - EARTH DRILLING MINING
Information Patent Grant
3495499
- Patent number 3,495,499
- Issue date Feb 17, 1970
- E21 - EARTH DRILLING MINING
Information Patent Grant
3285015
- Patent number 3,285,015
- Issue date Nov 15, 1966
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Timbering and walling control for controlling the movements of timb...
- Publication number 20060220438
- Publication date Oct 5, 2006
- Ursula Kellermann
- E21 - EARTH DRILLING MINING
Information Patent Application
Timbering and walling control for controlling the movements of timb...
- Publication number 20060193702
- Publication date Aug 31, 2006
- Ursula Kellermann
- E21 - EARTH DRILLING MINING
Information Patent Application
Control mechanism for the extension units in the longwall face of a...
- Publication number 20060158016
- Publication date Jul 20, 2006
- Willi Kessel
- E21 - EARTH DRILLING MINING
Information Patent Application
Electrohydraulic control system
- Publication number 20030194886
- Publication date Oct 16, 2003
- Sebastian M. Mundry
- E21 - EARTH DRILLING MINING

Transmission of signals and commands by cable

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Control mechanism for the extension units in the longwall face of a...

Longwall support control for controlling the movements of longwall...

Timbering and walling control for controlling the movements of timb...

Method and a device for detecting the presence of personnel in unde...

Mining control system for adjusting the advance of mining tools

Electro-hydraulic control system for a mineral mining installation

Apparatus for transmitting data

Electrohydraulic control means for hydraulic self-advancing support...

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

Arrangement for controlling advancing timbering in underground mining

Mining apparatus

Automatic longwall mining system and method

Control of self-advancing mine roof supports

Mine roof support control

Longwall mining apparatus

3495499

3285015

Patents Applicationslast 30 patents

Timbering and walling control for controlling the movements of timb...

Timbering and walling control for controlling the movements of timb...

Control mechanism for the extension units in the longwall face of a...

Electrohydraulic control system