Gaz De France (GDF) Service National

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Patents Grantslast 30 patents

Information Patent Grant
Device for seismic emission in an underground formation and method...
- Patent number 7,420,879
- Issue date Sep 2, 2008
- Compagnie Generale de Geophysique
- Patrick Meynier
- G01 - MEASURING TESTING
Information Patent Grant
Mobile system for seismic emission with fixed coupling devices, and...
- Patent number 7,325,647
- Issue date Feb 5, 2008
- Institut Francais du Petrole
- Patrick Meynier
- G01 - MEASURING TESTING
Information Patent Grant
Identification process that makes it possible to confer traceabilit...
- Patent number 7,200,456
- Issue date Apr 3, 2007
- Gaz de France-(GDF) Service National
- Dominique Gueugnaut
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Radiant device with gas burner and recirculation, adapted in view o...
- Patent number 6,588,416
- Issue date Jul 8, 2003
- Gaz de France-(GDF) Service National
- Thierry Landais
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Tube scraping device
- Patent number 6,434,776
- Issue date Aug 20, 2002
- Gaz de France-(GDF) Service National
- Dominique Pfeiffer
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method for producing a flame support
- Patent number 6,410,878
- Issue date Jun 25, 2002
- Gaz de France-(GDF) Service National
- William Guerin
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Universal safety device and process for protecting a pipeline
- Patent number 6,328,072
- Issue date Dec 11, 2001
- Gaz de France-(GDF) Service National
- Jean-Luc Mahe
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Device for holding pipe on a branch connector
- Patent number 6,224,116
- Issue date May 1, 2001
- Gaz de France (G. D. F.) Service National
- Philippe Caraveo
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Method and device intended for permanent monitoring of an undergrou...
- Patent number 6,182,012
- Issue date Jan 30, 2001
- Institut Francais du Petrole
- Jean Laurent
- G01 - MEASURING TESTING
Information Patent Grant
Method of connecting conduits
- Patent number 6,068,426
- Issue date May 30, 2000
- Gaz de France (G.D.F.) Service National
- Fran.cedilla.ois Blanquet
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method for seismic monitoring of an underground zone under developm...
- Patent number 6,049,508
- Issue date Apr 11, 2000
- Institut Francais du Petrole
- Jean-Pierre Deflandre
- G01 - MEASURING TESTING
Information Patent Grant
Butt-welding process using an automatically controlled electro-weld...
- Patent number 6,036,795
- Issue date Mar 14, 2000
- GAZ de France (G.D.F.) Service National
- Jean Sauron
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process for hollowing out a cavity formed of a plurality of sub-cav...
- Patent number 5,988,760
- Issue date Nov 23, 1999
- GAZ de France (G.D.F.) Service National
- Jean-Gerard Durup
- E21 - EARTH DRILLING MINING
Information Patent Grant
Variable flame retention device utilizing an interwoven flexible wi...
- Patent number 5,989,015
- Issue date Nov 23, 1999
- GAZ de France (G.D.F.) Service National
- William Guerin
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Oven equipped with a movable heat generating means
- Patent number 5,960,781
- Issue date Oct 5, 1999
- Gaz de France (G.D.F.) Service National
- Dominique Walter
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Process for excavating a cavity in a thin salt layer
- Patent number 5,957,539
- Issue date Sep 28, 1999
- Gaz de France (G.D.F.) Service National
- Jean-Gerard Durup
- E21 - EARTH DRILLING MINING
Information Patent Grant
Cooling process and installation, in particular for the liquefactio...
- Patent number 5,943,881
- Issue date Aug 31, 1999
- GAZ de France (G.D.F.) Service National
- Maurice Grenier
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
System for applied current cathodic protection of a structure
- Patent number 4,713,158
- Issue date Dec 15, 1987
- Service National: Gaz de France
- Maurice Lambert
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Reduced wreath condensation boiler
- Patent number 4,651,680
- Issue date Mar 24, 1987
- Service National: Gaz de France
- Francois Couprie
- F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

Information Patent Application
Identification process that makes it possible to confer traceabilit...
- Publication number 20040083020
- Publication date Apr 29, 2004
- Gaz De France (GDF) Service National
- Dominique Gueugnaut
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Radiant device with gas burner and recirculation, adapted in view o...
- Publication number 20030003413
- Publication date Jan 2, 2003
- GAZ DE FRANCE - (GDF) SERVICE NATIONAL
- Thierry Landais
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES

Trademarklast 30 trademarks

Information Trademark
79001277
- Serial number 79001277
- Registration number 3035885
- Filing date Dec 8, 2003
- GAZ DE FRANCE - SERVICE NATIONAL
- 1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information Trademark
76410998 - EVACOSOUMIPE
- Serial number 76410998
- Registration number 2788179
- Filing date May 23, 2002
- GAZ DE FRANCE - Service National
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
76393769 - HIÉRAPIPE
- Serial number 76393769
- Registration number 2763560
- Filing date Apr 11, 2002
- Gaz de France, Service National
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
75746431 - LRC STORAGE
- Serial number 75746431
- Registration number 2580635
- Filing date Jul 9, 1999
- GAZ DE FRANCE - Service National
- 35 - Advertising
Information Trademark
75580576 - POP-PIV
- Serial number 75580576
- Registration number 2361551
- Filing date Nov 2, 1998
- GAZ DE FRANCE - Service National
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
74567559 - GAZ DE FRANCE
- Serial number 74567559
- Registration number 2090315
- Filing date Aug 30, 1994
- GAZ DE FRANCE - Service National
- 1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry

Gaz De France (GDF) Service National

Organization

Patents Grantslast 30 patents

Device for seismic emission in an underground formation and method...

Mobile system for seismic emission with fixed coupling devices, and...

Identification process that makes it possible to confer traceabilit...

Radiant device with gas burner and recirculation, adapted in view o...

Tube scraping device

Method for producing a flame support

Universal safety device and process for protecting a pipeline

Device for holding pipe on a branch connector

Method and device intended for permanent monitoring of an undergrou...

Method of connecting conduits

Method for seismic monitoring of an underground zone under developm...

Butt-welding process using an automatically controlled electro-weld...

Process for hollowing out a cavity formed of a plurality of sub-cav...

Variable flame retention device utilizing an interwoven flexible wi...

Oven equipped with a movable heat generating means

Process for excavating a cavity in a thin salt layer

Cooling process and installation, in particular for the liquefactio...

System for applied current cathodic protection of a structure

Reduced wreath condensation boiler

Patents Applicationslast 30 patents

Identification process that makes it possible to confer traceabilit...

Radiant device with gas burner and recirculation, adapted in view o...

Trademarklast 30 trademarks

79001277

76410998 - EVACOSOUMIPE

76393769 - HIÉRAPIPE

75746431 - LRC STORAGE

75580576 - POP-PIV

74567559 - GAZ DE FRANCE