Georges Obrecht

Person

Seyssins, FR

People

Patents Grantslast 30 patents

Information Patent Grant
Method of protecting a limited-displacement mechanical system again...
- Patent number 4,830,520
- Issue date May 16, 1989
- Alsthom-Atlantique
- Georges Obrecht
- E21 - EARTH DRILLING MINING
Information Patent Grant
Connection for drilling
- Patent number 4,728,124
- Issue date Mar 1, 1988
- Alsthom
- Herve Righi
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drilling string for drilling a bent bore, a method of using said st...
- Patent number 4,694,914
- Issue date Sep 22, 1987
- Alsthom
- Georges Obrecht
- E21 - EARTH DRILLING MINING
Information Patent Grant
Azimuth measuring method for non-vertical drilling
- Patent number 4,637,480
- Issue date Jan 20, 1987
- Alsthom
- Georges Obrecht
- E21 - EARTH DRILLING MINING
Information Patent Grant
Device for measuring stresses transmitted by a shaft, in particular...
- Patent number 4,597,289
- Issue date Jul 1, 1986
- Alsthom-Atlantique
- Georges Obrecht
- E21 - EARTH DRILLING MINING
Information Patent Grant
Small deflection coupling for oscillating shafts
- Patent number 4,565,541
- Issue date Jan 21, 1986
- Alsthom-Atlantique
- Georges Obrecht
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Oscillating friction ring assembly for applying axial thrust to a s...
- Patent number 4,554,983
- Issue date Nov 26, 1985
- Alsthom-Atlantique
- Georges Obrecht
- E21 - EARTH DRILLING MINING
Information Patent Grant
Anti-unscrewing devices
- Patent number 4,512,596
- Issue date Apr 23, 1985
- Alsthom-Atlantique
- Georges Obrecht
- E21 - EARTH DRILLING MINING

Georges Obrecht

Person

Patents Grantslast 30 patents

Method of protecting a limited-displacement mechanical system again...

Connection for drilling

Drilling string for drilling a bent bore, a method of using said st...

Azimuth measuring method for non-vertical drilling

Device for measuring stresses transmitted by a shaft, in particular...

Small deflection coupling for oscillating shafts

Oscillating friction ring assembly for applying axial thrust to a s...

Anti-unscrewing devices