JC

Jean Czernichow

IP Institut Francais Du Petrole: 3 patents #482 of 1,676Top 30%
Schlumberger Technology: 2 patents #2,609 of 7,293Top 40%
GF Gaz De France: 1 patents #66 of 236Top 30%
CG Compagnie Generale De Geophysique: 1 patents #28 of 74Top 40%
SE Sercel: 1 patents #73 of 149Top 50%
SA Societe Nationale Elf Aquitaine: 1 patents #176 of 490Top 40%
TP Total Compagnie Francaise Des Petroles: 1 patents #11 of 54Top 25%
Overall (All Time): #655,937 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
8002031 Independent measuring and processing probe for preliminary studies on a well Thierry De Kimpe, Jean-Eric Negre 2011-08-23
5303773 Device for monitoring a deposit for a production well Jean Laurent 1994-04-19
5243562 Method and equipment for acoustic wave prospecting in producing wells Jean Laurent, Charles Naville 1993-09-07
5241869 Device for taking a fluid sample from a well 1993-09-07
5181565 Well probe able to be uncoupled from a rigid coupling connecting it to the surface 1993-01-26
4986350 Device for the seismic monitoring of an underground deposit 1991-01-22
4757709 Flowmeter for use in a hydrocarbon well 1988-07-19
4583595 Method and apparatus for obtaining fluid samples in a well Alain Chevassus-More 1986-04-22