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Patents Grants
last 30 patents
Information
Patent Grant
Tunnel or road header
Patent number
4,615,565
Issue date
Oct 7, 1986
Gebr. Eickhoff Maschinenfabrik und Eisengiesserei mbH
Herbert Schupphaus
E21 - EARTH DRILLING MINING
Information
Patent Grant
Control for mining machine
Patent number
4,588,230
Issue date
May 13, 1986
Gebr. Eickhoff Maschinenfabrik und Eisengiesserei m.b.H.
Herbert Schupphaus
E21 - EARTH DRILLING MINING
Information
Patent Grant
Apparatus for controlling the supply of high-pressure liquid to a c...
Patent number
4,565,410
Issue date
Jan 21, 1986
Gebr. Eickhoff Maschinenfabrik und Eisengiesserei m.b.H.
Karl Hotger
E21 - EARTH DRILLING MINING
Information
Patent Grant
High-pressure ball valve
Patent number
4,541,607
Issue date
Sep 17, 1985
Gebr. Eickhoff Maschinenfabrik und Eisengiesserei m.b.H.
Karl Hotger
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Control system for longwall mining roof supports
Patent number
4,518,285
Issue date
May 21, 1985
Gebr. Eickhoff Maschinenfabrik und Eisengiesserei m.b.H.
Karl-Heinz Weber
E21 - EARTH DRILLING MINING
Information
Patent Grant
Device for interconnecting two sections of a longwall mining machin...
Patent number
4,516,809
Issue date
May 14, 1985
Gebr. Eickhoff Maschinenfabrik und Eisengiesserei m.b.H.
Hugo Klimeck
E21 - EARTH DRILLING MINING
Information
Patent Grant
Power and liquid supply system for mining machines
Patent number
4,514,011
Issue date
Apr 30, 1985
Gebr. Eickhoff Maschinenfabrik und Eisengiesserei m.b.H.
Klaus Lodwig
E21 - EARTH DRILLING MINING
Information
Patent Grant
Longwall mining apparatus for working thick seams
Patent number
4,478,457
Issue date
Oct 23, 1984
Gebr. Eickhoff Maschinenfabrik und Eisengiesserei m.b.H.
Willy Lanfermann
E21 - EARTH DRILLING MINING
Information
Patent Grant
Cutter drum assembly for longwall mining machines
Patent number
4,471,998
Issue date
Sep 18, 1984
Gebr. Eickhoff Maschinenfabrik und Eisengiesserei m.b.H.
Karl Hotger
E21 - EARTH DRILLING MINING
Information
Patent Grant
Cutter drum assembly for longwall mining machines
Patent number
4,465,320
Issue date
Aug 14, 1984
Gebr. Eickhoff Maschinenfabrik und Eisengiesserei m.b.H.
Herbert Schupphaus
E21 - EARTH DRILLING MINING
Information
Patent Grant
Mechanical sealing means for rotary fluid coupling
Patent number
4,462,619
Issue date
Jul 31, 1984
Gebr. Eickhoff Maschinenfabrik und Eisengiesserei m.b.H.
Karl Hotger
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Track for a longwall mining machine
Patent number
4,451,091
Issue date
May 29, 1984
Gebr. Eickhoff Maschinenfabrik und Eisengiesserei m.b.H.
Herbert Schupphaus
E21 - EARTH DRILLING MINING
Information
Patent Grant
Advancing apparatus for coal-mining machine in underground mine
Patent number
4,451,090
Issue date
May 29, 1984
Gebr. Eickhoff Maschinenfabrik und Eisengiesserei m.b.H.
Herbert Schupphaus
E21 - EARTH DRILLING MINING
Information
Patent Grant
Rotary fluid coupling
Patent number
4,449,738
Issue date
May 22, 1984
Gebr. Eickhoff, Maschinenfabrik und Eisengiesserei, m.b.H.
Karl Hotger
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Cutter-loader apparatus having overhung shearer drum
Patent number
4,445,724
Issue date
May 1, 1984
Gebr. Eickhoff Maschinenfabrik und Eisengiesserei m.b.H.
Hans Groger
E21 - EARTH DRILLING MINING
Information
Patent Grant
Cutter bit for a mining machine
Patent number
4,405,178
Issue date
Sep 20, 1983
Gebr. Eickhoff Maschinenfabrik und Eisengiesserei m.b.H.
Helmut Brandenburg
E21 - EARTH DRILLING MINING
Information
Patent Grant
Gear rack for a mining machine
Patent number
4,397,199
Issue date
Aug 9, 1983
Gebr. Eickhoff, Maschinenfabrik und Eisengiesserei, m.b.H.
Dieter Jahn
E21 - EARTH DRILLING MINING
Information
Patent Grant
Rotary fluid coupling
Patent number
4,396,212
Issue date
Aug 2, 1983
Gebr. Eickhoff Maschinenfabrik und Eisengiesserei m.b.H.
Heinrich Honke
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Nozzle holder for cutter drum in longwall mining machinery
Patent number
4,394,053
Issue date
Jul 19, 1983
Gebr. Eickhoff Maschinenfabrik und Eisengiesserei m.b.H.
Herbert Schupphaus
E21 - EARTH DRILLING MINING
Information
Patent Grant
Conveyor trough for a scraper conveyor for use with a mining machine
Patent number
4,373,757
Issue date
Feb 15, 1983
Gebr. Eickhoff Maschinenfabrik und Eisengiesserei m.b.H.
Karl Gehle
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Cutter drum assembly for a longwall mining machine
Patent number
4,368,925
Issue date
Jan 18, 1983
Gebr. Eickhoff Maschinenfabrik und Eisengiesserei, m.b.H.
Heinrich Honke
E21 - EARTH DRILLING MINING
Information
Patent Grant
Cutter drum support arm for longwall mining machine
Patent number
4,328,996
Issue date
May 11, 1982
Gebr. Eickhoff Maschinenfabrik und Eisengiesserei m.b.H.
Dieter Jahn
E21 - EARTH DRILLING MINING
Information
Patent Grant
Gear rack for longwall mining machine
Patent number
4,307,915
Issue date
Dec 29, 1981
Gebr. Eickhoff Maschinenfabrik und Eisengiesserei m.b.H.
Volker Knorr
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Grant
Rack drive for a drum cutter mining machine
Patent number
4,236,758
Issue date
Dec 2, 1980
Gebr. Eickhoff, Maschinenfabrik und Eisengiesserei m.b.H.
Hans Groger
E21 - EARTH DRILLING MINING
Information
Patent Grant
Control circuit for underground mining equipment
Patent number
4,217,622
Issue date
Aug 12, 1980
Gebr. Eickhoff Maschinenfabrik und Eisengiesserei m.b.H.
Anton Dinkelbach
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Liquid discharge apparatus for a shearing-loader type mining machine
Patent number
4,212,497
Issue date
Jul 15, 1980
Gebr. Eickhoff Maschinenfabrik und Eisengiesserei m.b.H.
Karl-Heinz Borowski
E21 - EARTH DRILLING MINING
Information
Patent Grant
Drum cutter mining machine
Patent number
4,189,188
Issue date
Feb 19, 1980
Gebr. Eickhoff, Maschinenfabrik und Eisengiesserei m.b.H.
Herbert Schupphaus
E21 - EARTH DRILLING MINING
Information
Patent Grant
Mining machine with cutter drums and sensing apparatus
Patent number
4,189,183
Issue date
Feb 19, 1980
Gebr. Eickhoff, Maschinenfabrik und Eisengiesserei m.b.H.
Karl-Heinz Borowski
E21 - EARTH DRILLING MINING
Information
Patent Grant
Rack device for a drum cutter mining machine
Patent number
4,184,715
Issue date
Jan 22, 1980
Gebr. Eickhoff, Maschinenfabrik und Eisengiesserei m.b.H.
Willy Lanfermann
E21 - EARTH DRILLING MINING
Information
Patent Grant
Mining machine, particularly for the working of low mine seams
Patent number
4,166,652
Issue date
Sep 4, 1979
Gebr. Eickhoff Maschinenfabrik und Eisengiesserei m.b.H.
Klaus Oberste-Beulmann
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
73746863 - E
Serial number
73746863
Registration number
1554392
Filing date
Aug 18, 1988
GEBR. EICKHOFF MASCHINENFABRIK UND EISENGIESSEREI M.B.H.
6 - Common metals and their alloys
Information
Trademark
73515112 - EICOTRACK
Serial number
73515112
Registration number
1383035
Filing date
Dec 24, 1984
GEBR. EICKHOFF MASCHINENFABRIK UND EISENGIESSEREI M.B.H.
7 - Machines and machine tools
Information
Trademark
73515111 - EICOMATIK
Serial number
73515111
Registration number
1382048
Filing date
Dec 24, 1984
GEBR. EICKHOFF MASCHINENFABRIK UND EISENGIESSEREI M.B.H.
7 - Machines and machine tools
Information
Trademark
73515016 - EICKHOFF E
Serial number
73515016
Registration number
1383957
Filing date
Dec 24, 1984
GEBR. EICKHOFF MASCHINENFABRIK UND EISENGIESSEREI M.B.H
6 - Common metals and their alloys
Information
Trademark
73515110 - EICOTRONIK
Serial number
73515110
Registration number
1383034
Filing date
Dec 24, 1984
GEBR. EICKHOFF MASCHINENFABRIK UND EISENGIESSEREI M.B.H.
7 - Machines and machine tools