Miffre Hubert

Follow

Person

Elancourt, FR

People

Patents Grantslast 30 patents

Information Patent Grant
Device for separating and extracting components having different de...
- Patent number 4,793,408
- Issue date Dec 27, 1988
- Societe Nationale Elf Aquitaine
- Hubert Miffre
- E21 - EARTH DRILLING MINING
Information Patent Grant
Device for positioning a tool within a wellbore flow string
- Patent number 4,742,871
- Issue date May 10, 1988
- Societe Nationale Elf Aquitaine (Production)
- Hubert Miffre
- E21 - EARTH DRILLING MINING
Information Patent Grant
Sealing system for a well bore in which a hot fluid is circulated
- Patent number 4,513,816
- Issue date Apr 30, 1985
- Societe Nationale Elf Aquitaine (Production)
- Miffre Hubert
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Hydraulic pumping rod connecting and disconnecting device
- Patent number 4,286,663
- Issue date Sep 1, 1981
- Societe Nationale Elf Aquitaine (Production)
- Hubert Miffre
- E21 - EARTH DRILLING MINING
Information Patent Grant
Control system for gate-valves
- Patent number 4,029,289
- Issue date Jun 14, 1977
- Institute Francais du Petrole, des Carburants et Lubrifiants et Entreprise de...
- Hubert Miffre
- E21 - EARTH DRILLING MINING
Information Patent Grant
Safety plug for sealing-off the tubing of a producing oil or gas well
- Patent number 3,954,138
- Issue date May 4, 1976
- Entreprise de Recherches et D'Activities Petrolieres Elf
- Hubert Miffre
- E21 - EARTH DRILLING MINING