Inventor · disambiguated record
Francois Chevallier
Also filed as: CHEVALLIER FRANCOIS · CHEVALLIER FRANCOIS EDMOND
7 granted patents·2 pending applications·82 citations·filing 1977–2023
81Inventor score
Files withHALLIBURTON ENERGY SERVICES INC6CHEVALLIER FRANCOIS1POUDRES & EXPLOSIFS STE NALE1SAINT GOBAIN1
Top patents by PatentIndex Score
9 records- 0186US4110097AMethod for the manufacture of glassSAINT GOBAIN·Filed 1977·Granted Aug 29, 1978·48 cites·22 claims
- 0275US11448040B2Fluid loss device including a self-opening upside down flapper valveHALLIBURTON ENERGY SERVICES INC·Filed 2020·Granted Sep 20, 2022·1 cites·25 claims
- 0370US12398619B2Single-trip deployment and isolation using a ball valveHALLIBURTON ENERGY SERVICES INC·Filed 2023·Granted Aug 26, 2025·0 cites·16 claims
- 0461US11613965B2Single-trip deployment and isolation using a ball valveHALLIBURTON ENERGY SERVICES INC·Filed 2020·Granted Mar 28, 2023·0 cites·13 claims
- 0561US5360836AProcess for the production of coatings by radiation cross-linkingPOUDRES & EXPLOSIFS STE NALE·Filed 1993·Granted Nov 1, 1994·23 cites·5 claims
- 0653US12497866B2Expandable liner hanger with robust slips for downhole conditions with high pressure conditionsHALLIBURTON ENERGY SERVICES INC·Filed 2023·Granted Dec 16, 2025·0 cites·17 claims
- 0750US2025207483A1Mechanical support for expandable liner hangerHALLIBURTON ENERGY SERVICES INC·Filed 2023·Application pending·0 cites
- 0839US2022081993A1Single-Trip Deployment And Isolation Using Flapper ValveHALLIBURTON ENERGY SERVICES INC·Filed 2020·Application pending·0 cites
- 0925US4872868ACollecting bag for making quick medical analysesCHEVALLIER FRANCOIS·Filed 1988·Granted Oct 10, 1989·10 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →