Inventor · disambiguated record
Sylvain Janssen
Also filed as: JANSSEN SYLVAIN
14 granted patents·174 citations·filing 1980–1996
92Inventor score
Top patents by PatentIndex Score
14 records- 0183US4899046AOptical sensor of physical magnitudeSCHLUMBERGER IND SA·Filed 1989·Granted Feb 6, 1990·49 cites·19 claims
- 0269US5878790ARecovery system for recovering hydrocarbon vapor and offering improved stabilitySCHLUMBERGER IND SA·Filed 1996·Granted Mar 9, 1999·38 cites·6 claims
- 0348US5902382ADegassing system for a hydrocarbon dispenserSOLUTIONS SERVICES SYSTEMS FRA·Filed 1996·Granted May 11, 1999·21 cites·3 claims
- 0444US4978374ALiquid hydrocarbon delivery means including means for monitoring gas contentSCHLUMBERGER IND SA·Filed 1989·Granted Dec 18, 1990·15 cites·4 claims
- 0541US4312192ABorehole logging tool cryostatSCHLUMBERGER TECHNOLOGY CORP·Filed 1980·Granted Jan 26, 1982·9 cites·24 claims
- 0637US5337797AHydrocarbon dispenser nozzleSCHLUMBERGER IND SA·Filed 1991·Granted Aug 16, 1994·15 cites·8 claims
- 0732US5465606ASystem for measuring the efficiency of hydrocarbon vapor recovery installations used in gas stationsSCHLUMBERGER IND SA·Filed 1993·Granted Nov 14, 1995·8 cites·5 claims
- 0830US5339685APositive-displacement fluid flow-measuring systemSCHLUMBERGER IND SA·Filed 1992·Granted Aug 23, 1994·4 cites·2 claims
- 0929US5437183AMethod and apparatus for measuring the volumetric efficiency of systems for recovering hydrocarbon vaporSCHLUMBERGER IND SA·Filed 1993·Granted Aug 1, 1995·4 cites·5 claims
- 1028US5222532ADevice for dispensing hydrocarbons with vapor recoverySCHLUMBERGER IND SA·Filed 1992·Granted Jun 29, 1993·6 cites·5 claims
- 1128US4313317ABorehole logging tool cryostatSCHLUMBERGER TECHNOLOGY CORP·Filed 1980·Granted Feb 2, 1982·2 cites·18 claims
- 1223US4958996ARotary device having inter-engaging internal and external teethSCHLUMBERGER IND SA·Filed 1989·Granted Sep 25, 1990·3 cites·4 claims
- 1322US5232131AFuel-dispensing nozzle for dispensing hydrocarbon fuelSCHLUMBERGER IND SA·Filed 1991·Granted Aug 3, 1993·0 cites·4 claims
- 1412US4391145AFluid-pressure responsive apparatusGIERS·Filed 1981·Granted Jul 5, 1983·0 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →