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Patents Grants
last 30 patents
Information
Patent Grant
Method and device for transmitting video signals in confined spaces
Patent number
5,335,006
Issue date
Aug 2, 1994
Charbonnages de France
Dominique Charpentier
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method of slaking quicklime contained in ash
Patent number
5,330,572
Issue date
Jul 19, 1994
Charbonnages De France (Etablissement Public)
Jacques Blondin
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Pseudo-continuous process for interrogating a combustible gas detector
Patent number
5,234,837
Issue date
Aug 10, 1993
Charbonnages de France
Antoinette Accorsi
G01 - MEASURING TESTING
Information
Patent Grant
Device for extracting particulate materials of a fluidized bed from...
Patent number
5,143,697
Issue date
Sep 1, 1992
Charbonnages De France
Guy Marlair
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Cooled fluidization grid
Patent number
5,009,852
Issue date
Apr 23, 1991
Charbonnages de France
Jean-Claude Kita
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Direct view remote control method for workings machine and transmit...
Patent number
4,980,681
Issue date
Dec 25, 1990
Charbonnages de France
Marc S. Noel
G08 - SIGNALLING
Information
Patent Grant
Fluid fuel combustion process and turbulent-flow burner for impleme...
Patent number
4,919,611
Issue date
Apr 24, 1990
Charbonnages de France
Gerard Flament
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Grant
Method and device for controlling the trajectory of a shield-type t...
Patent number
4,904,115
Issue date
Feb 27, 1990
Charbonnages de France
Vincent Lebreton
E21 - EARTH DRILLING MINING
Information
Patent Grant
Apparatus for supplying unclogging gas to fluidized bed apparatus
Patent number
4,880,311
Issue date
Nov 14, 1989
Charbonnages DeFrance
Arnaud Delebarre
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Polyurethane-carbohydrate-based substances which can be calendered...
Patent number
4,873,270
Issue date
Oct 10, 1989
Charbonnages de France
Jean-Marc Aime
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Signal transfer method and equipment for electric machine equipped...
Patent number
4,862,157
Issue date
Aug 29, 1989
Charbonnages de France
Marc Noel
E21 - EARTH DRILLING MINING
Information
Patent Grant
Fluid fuel combustion process and turbulent-flow burner for impleme...
Patent number
4,838,185
Issue date
Jun 13, 1989
Charbonnages de France
Gerard Flament
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Grant
Fluidized bed heat exchange apparatus
Patent number
4,796,691
Issue date
Jan 10, 1989
Charbonnages de France
Jean-Francois Large
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Apparatus for the control of heat energy exchanged with a fluidized...
Patent number
4,746,492
Issue date
May 24, 1988
Charbonnages de France
Guy Marlair
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Fluidized-bed heat generator with improved means for ash removal an...
Patent number
4,736,711
Issue date
Apr 12, 1988
Charbonnages de France
Guy Marlair
F22 - STEAM GENERATION
Information
Patent Grant
Portable individual dust collector
Patent number
4,737,171
Issue date
Apr 12, 1988
Charbonnages de France
Paul Courbon
G01 - MEASURING TESTING
Information
Patent Grant
Power circuit and trigger device comprising same
Patent number
4,712,153
Issue date
Dec 8, 1987
Charbonnages de France
Christian Marget
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Detonation arrestor device for bulk explosive materials transfer
Patent number
4,699,060
Issue date
Oct 13, 1987
Charbonnages de France
Pierre Vuillaume
F42 - AMMUNITION BLASTING
Information
Patent Grant
Centrifugal drier drum for wet granular material
Patent number
4,682,423
Issue date
Jul 28, 1987
Charbonnages de France
Pierre Gaget
F26 - DRYING
Information
Patent Grant
Fluidizing apparatus with built-in heat exchanger
Patent number
4,674,564
Issue date
Jun 23, 1987
Charbonnages de France
Gerard Chrysostome
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Device for supplying a powdery product in gravimetrically metered a...
Patent number
4,669,921
Issue date
Jun 2, 1987
Charbonnages de France
Gerard Flament
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Rotary cutter with spray nozzles for removal of ores from mine faces
Patent number
4,668,018
Issue date
May 26, 1987
Charbonnages de France
Jean Demoulin
E21 - EARTH DRILLING MINING
Information
Patent Grant
Sectorial sprinkling device for coal mining
Patent number
4,660,892
Issue date
Apr 28, 1987
Charbonnages de France
Jean J. Demoulin
E21 - EARTH DRILLING MINING
Information
Patent Grant
Apparatus for injecting fluidization gas
Patent number
4,648,330
Issue date
Mar 10, 1987
Charbonnages de France
Arnaud Delebarre
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Rotary cutter for gouging out ore from mine faces
Patent number
4,647,112
Issue date
Mar 3, 1987
Charbonnages de France
Jean Demoulin
E21 - EARTH DRILLING MINING
Information
Patent Grant
Hearth and process for fluidized-bed treatment of a fuel
Patent number
4,628,831
Issue date
Dec 16, 1986
Charbonnages de France
Serge L. Delessard
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Fluidized-bed apparatus with a heat exchanger and an additional-air...
Patent number
4,627,387
Issue date
Dec 9, 1986
Charbonnages de France
Roger M. Puff
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Sound-proofing casing for a pneumatic percussive drill
Patent number
4,624,339
Issue date
Nov 25, 1986
Charbonnages de France
Frederic E. Marcel
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Grant
Valve for the pneumatic distribution of fluidizable material
Patent number
4,616,426
Issue date
Oct 14, 1986
Charbonnages de France
Jean F. Large
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Process and device for the remote transmission of signals and appli...
Patent number
4,608,552
Issue date
Aug 26, 1986
Charbonnages de France
Maurice Boutonnat
G08 - SIGNALLING
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
74249412 - TELSAFE
Serial number
74249412
Registration number
1764191
Filing date
Feb 25, 1992
CHARBONNAGES DE FRANCE
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
74178317 - INERIS
Serial number
74178317
Registration number
1764125
Filing date
Jun 21, 1991
CHARBONNAGES DE FRANCE
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
74104001 - INERIS
Serial number
74104001
Registration number
1753639
Filing date
Oct 9, 1990
CHARBONNAGES DE FRANCE
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73695424 - ARGUS
Serial number
73695424
Registration number
1590590
Filing date
Nov 16, 1987
CHARBONNAGES DE FRANCE
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73695426 - CERLAC
Serial number
73695426
Registration number
1566800
Filing date
Nov 16, 1987
CHARBONNAGES DE FRANCE
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73526545 - P.C. VENT
Serial number
73526545
Registration number
1400955
Filing date
Mar 12, 1985
CHARBONNAGES DE FRANCE
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73526544 - P.C. FIRE
Serial number
73526544
Registration number
1400954
Filing date
Mar 12, 1985
CHARBONNAGES DE FRANCE
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73494082 - TELSAFE
Serial number
73494082
Registration number
1376969
Filing date
Aug 9, 1984
CHARBONNAGES DE FRANCE
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73294955 - CERCHAR NORTH AMERICA
Serial number
73294955
Registration number
1211498
Filing date
Jan 30, 1981
Charbonnages de France
16 - Paper, cardboard and goods made from these materials, not included in other classes
Information
Trademark
73238062 - CDF INTERNATIONAL
Serial number
73238062
Registration number
1241379
Filing date
Nov 5, 1979
Charbonnages de France
35 - Advertising