Inventor · disambiguated record
Jean Czernichow
Also filed as: CZERNICHOW JEAN · CZERNICHOW JEAN A
8 granted patents·361 citations·filing 1984–2006
90Inventor score
Files withINST FRANCAIS DU PETROLE3SCHLUMBERGER TECHNOLOGY CORP2GAZ DE FRANCE1INST FRANCAIS DU PETROLE TOTAL1SERCEL RECH CONST ELECT1
Top patents by PatentIndex Score
8 records- 0184US5303773ADevice for monitoring a deposit for a production wellINST FRANCAIS DU PETROLE·Filed 1992·Granted Apr 19, 1994·93 cites·21 claims
- 0283US4583595AMethod and apparatus for obtaining fluid samples in a wellSCHLUMBERGER TECHNOLOGY CORP·Filed 1984·Granted Apr 22, 1986·65 cites·16 claims
- 0378US5181565AWell probe able to be uncoupled from a rigid coupling connecting it to the surfaceINST FRANCAIS DU PETROLE TOTAL·Filed 1990·Granted Jan 26, 1993·61 cites·13 claims
- 0477US5243562AMethod and equipment for acoustic wave prospecting in producing wellsINST FRANCAIS DU PETROLE·Filed 1992·Granted Sep 7, 1993·52 cites·2 claims
- 0569US4757709AFlowmeter for use in a hydrocarbon wellSCHLUMBERGER TECHNOLOGY CORP·Filed 1987·Granted Jul 19, 1988·40 cites·7 claims
- 0661US4986350ADevice for the seismic monitoring of an underground depositINST FRANCAIS DU PETROLE·Filed 1990·Granted Jan 22, 1991·38 cites·14 claims
- 0743US8002031B2Independent measuring and processing probe for preliminary studies on a wellSERCEL RECH CONST ELECT·Filed 2006·Granted Aug 23, 2011·2 cites·11 claims
- 0834US5241869ADevice for taking a fluid sample from a wellGAZ DE FRANCE·Filed 1990·Granted Sep 7, 1993·10 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →