Inventor · disambiguated record
Henricus J. A. Van Helden
Also filed as: VAN HELDEN HENRICUS J A
3 granted patents·47 citations·filing 1976–1991
71Inventor score
Files withSHELL INT RESEARCH3
Top patents by PatentIndex Score
3 records- 0179US4060397ATwo stage partial combustion process for solid carbonaceous fuelsSHELL INT RESEARCH·Filed 1976·Granted Nov 29, 1977·27 cites·1 claims
- 0253US5122257AProcess for the manufacture of kerosene and/or gas oilsSHELL INT RESEARCH·Filed 1991·Granted Jun 16, 1992·17 cites·38 claims
- 0323US4994171AProcess for the manufacture--gas oilsSHELL INT RESEARCH·Filed 1989·Granted Feb 19, 1991·3 cites·27 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →