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Societe Nationale Elf Aquitaine (production)

USPTO Granted Patents = 215

Forward Citations = 2,682

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267 inventors (with patents filed for the assignee):

Robert Voirin (12 out of 16 patents)

Flavien Lazarre (12 out of 14 patents)

Philippe J Staron (9 out of 16 patents)

4. Emmanuel F Arretz (8 out of 18 patents)

5. Pierre Tozzolino (7 out of 15 patents)

6. Claude Blanc (7 out of 12 patents)

7. Georges M Chateau (7 out of 7 patents)

8. Yves Labat (6 out of 17 patents)

9. Jacques Tellier (6 out of 10 patents)

10. Georges Kvasnikoff (6 out of 12 patents)

11. Michel Iato (6 out of 10 patents)

12. Bernard Tramier (6 out of 9 patents)

13. Jean Ollivier (5 out of 24 patents)

14. Yvon Castel (5 out of 31 patents)

15. Andre Philippe (5 out of 14 patents)

Core Competencies:

Sulphur Yield Improvement

Surface Modelling

Aprotic Polar Solvent Recovery

Acidic Gas Absorbents

Dynamometric Measuring Devices

Acoustic Transmission of Data

Hydrocarbon Extraction

Seismic Reflection Data Processing

Drilling Operation Control

Hydrogen Sulfide Removal

Fluid Flow Measurement

Mercaptan Synthesis

215 patents: Sort by Forward Citations

1. 5494650 - Process for improving the sulphur yield of a complex for producing (1996-02-27),

2. 5465323 - Method for modelling a surface and device for implementing same (1995-11-07),

3. 5458751 - Recovery of aprotic polar solvents from their saline aqueous solutions (1995-10-17),

4. 5366709 - Liquid absorbent for acidic gases and process of deacidification of a gas (1994-11-22),

5. 5347859 - Dynamometric measuring device for a drill pipe (1994-09-20),

6. 5298156 - Simultaneous decarbonation and gasoline stripping of hydrocarbons (1994-03-29),

7. 5289354 - Method for acoustic transmission of drilling data from a well (1994-02-22),

8. 5277061 - Method for determining the rotation speed of a drill bit (1994-01-11),

9. 5272925 - Motorized rotary swivel equipped with a dynamometric measuring unit (1993-12-28),

10. 5268994 - Method of plotting surfaces in a 3D volume (1993-12-07),

11. 5259958 - Hydrocarbon extractor (1993-11-09),

12. 5245871 - Process for controlling a drilling operation (1993-09-21),

13. 5233304 - Electromagnetic source integrated into an element of a well casing (1993-08-03),

14. 5217071 - Production tube with integrated hydraulic line (1993-06-08),

15. 5213162 - Submarine wellhead (1993-05-25),

Societe Nationale Elf Aquitaine (Production) is a leading global oil and gas exploration, production, refining, and distribution company. With a long history dating back to 1939, Elf Aquitaine has evolved into a major player in the energy sector. The company operates across the entire value chain, from upstream activities such as exploration and production to downstream activities including refining, marketing, and chemical manufacturing. Elf Aquitaine is committed to sustainability and aims to find innovative solutions to meet the world's growing energy needs while minimizing environmental impact.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

215 Patents

#34 in Paris

#120 in France

#3,850 in the World

Societe Nationale Elf Aquitaine (production)

Forward Citations = 2,682

267 inventors:

Robert Voirin (12 out of 16 patents)

Flavien Lazarre (12 out of 14 patents)

Philippe J Staron (9 out of 16 patents)

4. Emmanuel F Arretz (8 out of 18 patents)

5. Pierre Tozzolino (7 out of 15 patents)

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