Inventor
LEVALLOIS EMILE
FR12 patents
⚠️ This page may combine multiple inventors who share the name “LEVALLOIS EMILE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
INST FRANCAIS DU PETROLE
10 patentsUS5494067AFeb 27, 1996
Device for regulating and damping a multiphase flow
INST FRANCAIS DU PETROLE21 citations92
US5393202AFeb 28, 1995
Process and device for optimizing the transfer by pumping of multiphase effluents
INST FRANCAIS DU PETROLE36 citations92
US5377714AJan 3, 1995
Device and method for transferring a multiphase type effluent in a single pipe
INST FRANCAIS DU PETROLE26 citations92
US4619762AOct 28, 1986
Devices for recovering polymetal compounds discharged from a submarine hydrothermal source
INST FRANCAIS DU PETROLE31 citations88
US5460193AOct 24, 1995
Method and device for cleaning the walls of a container
INST FRANCAIS DU PETROLE40 citations86
US5421357AJun 6, 1995
Process for optimizing a device for regulating and damping a multiphase flow and device obtained with the process
INST FRANCAIS DU PETROLE18 citations81
US4533526AAug 6, 1985
Process for recovering polymetal compounds discharged from a submarine hydrothermal source and devices for carrying out the same
INST FRANCAIS DU PETROLE19 citations78
US4591293AMay 27, 1986
Method and device for placing in a determined relative position two elements submerged in a conducting liquid medium
INST FRANCAIS DU PETROLE9 citations71
US4468155AAug 28, 1984
Method and device for placing in a determined relative position two elements submerged in a conducting liquid medium
INST FRANCAIS DU PETROLE12 citations71
US4789970ADec 6, 1988
Method and device for positioning an element using ultrasonic sensors
INST FRANCAIS DU PETROLE3 citations62