Distributing means for power supply in mines

Industry

CPC
E21F17/04

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Parent Industries

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

E21F17/04Distributing means for power supply in mines

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for remote coal mine leakage test
- Patent number 9,575,109
- Issue date Feb 21, 2017
- Chunping Guo
- E21 - EARTH DRILLING MINING
Information Patent Grant
Power supply arrangement for pulled mining machines
- Patent number 4,564,241
- Issue date Jan 14, 1986
- M.A.N. Maschinenfabrik Augsburg-Nurnberg Aktiengesellschaft
- Joachim Holz
- E21 - EARTH DRILLING MINING
Information Patent Grant
Cable holder having relatively rotatable parts
- Patent number 4,427,170
- Issue date Jan 24, 1984
- Adna Aktiengesellschaft
- Thomas Truninger
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Supply systems for mobile appliances, particularly mining machines
- Patent number 4,245,726
- Issue date Jan 20, 1981
- Gewerkschaft Eisenhutte Westfalia
- Dieter Kohler
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Cable protection equipment
- Patent number 4,186,553
- Issue date Feb 5, 1980
- Coal Industry (Patents) Limited
- Kevin Fitchett
- E21 - EARTH DRILLING MINING
Information Patent Grant
Cable carriage and spill-plate housing assembly for a mining machine
- Patent number 4,103,974
- Issue date Aug 1, 1978
- Gebr. Eickhoff, Maschinenfabrik und Eisengiesserei m.b.H.
- Georg Nowacki
- E21 - EARTH DRILLING MINING
Information Patent Grant
Fluid supply duct and pickup for mining machines
- Patent number 4,072,355
- Issue date Feb 7, 1978
- Summit Mining Ltd.
- Gerald R. O. Pentith
- E21 - EARTH DRILLING MINING
Information Patent Grant
Hose training means
- Patent number 4,039,032
- Issue date Aug 2, 1977
- Joy Manufacturing Company
- Ward D. Morrison
- E21 - EARTH DRILLING MINING
Information Patent Grant
3721378
- Patent number 3,721,378
- Issue date Mar 20, 1973
- E21 - EARTH DRILLING MINING
Information Patent Grant
3574403
- Patent number 3,574,403
- Issue date Apr 13, 1971
- E21 - EARTH DRILLING MINING
Information Patent Grant
1794083
- Patent number 1,794,083
- Issue date Feb 24, 1931
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
MODULAR CONTROLLING SYSTEM FOR VENTILATION EQUIPMENT AND METHODS OF...
- Publication number 20170183967
- Publication date Jun 29, 2017
- Howden Alphair Ventilating System Inc.
- Michel MASSE
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
METHOD AND APPARATUS FOR REMOTE COAL MINE LEAKAGE TEST
- Publication number 20150355258
- Publication date Dec 10, 2015
- Chunping GUO
- G01 - MEASURING TESTING

Distributing means for power supply in mines

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Method and apparatus for remote coal mine leakage test

Power supply arrangement for pulled mining machines

Cable holder having relatively rotatable parts

Supply systems for mobile appliances, particularly mining machines

Cable protection equipment

Cable carriage and spill-plate housing assembly for a mining machine

Fluid supply duct and pickup for mining machines

Hose training means

3721378

3574403

1794083

Patents Applicationslast 30 patents

MODULAR CONTROLLING SYSTEM FOR VENTILATION EQUIPMENT AND METHODS OF...

METHOD AND APPARATUS FOR REMOTE COAL MINE LEAKAGE TEST