Inventor · disambiguated record
Joannes B. Wijffels
Also filed as: WIJFFELS JOANNES B
4 granted patents·106 citations·filing 1975–1984
79Inventor score
Files withSHELL OIL CO4
Top patents by PatentIndex Score
4 records- 0188US4259294AApparatus for the hydrogenation of heavy hydrocarbon oilsSHELL OIL CO·Filed 1979·Granted Mar 31, 1981·60 cites·1 claims
- 0272US3966420AApparatus and process for the catalytic treatment of hydrocarbonsSHELL OIL CO·Filed 1975·Granted Jun 29, 1976·21 cites·12 claims
- 0355US4568523AMoving catalyst bed reactorSHELL OIL CO·Filed 1984·Granted Feb 4, 1986·14 cites·5 claims
- 0449US4229418AApparatus for the catalytic treatment of hydrocarbonsSHELL OIL CO·Filed 1978·Granted Oct 21, 1980·11 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →