Inventor · disambiguated record
Roger P. Van Driesen
Also filed as: VAN DRIESEN ROGER · VAN DRIESEN ROGER P
11 granted patents·383 citations·filing 1982–1992
92Inventor score
Top patents by PatentIndex Score
11 records- 0196US4411768AHydrogenation of high boiling hydrocarbonsLUMMUS CO·Filed 1982·Granted Oct 25, 1983·97 cites·6 claims
- 0290US4684456AControl of bed expansion in expanded bed reactorLUMMUS CREST INC·Filed 1985·Granted Aug 4, 1987·82 cites·14 claims
- 0387US4686028AUpgrading of high boiling hydrocarbonsDRIESEN ROGER P VAN·Filed 1985·Granted Aug 11, 1987·67 cites·14 claims
- 0468US5021147ASolid addition and withdrawalLUMMUS CREST INC·Filed 1989·Granted Jun 4, 1991·23 cites·6 claims
- 0567US4773986AHigh severity visbreakingLUMMUS CREST INC·Filed 1986·Granted Sep 27, 1988·25 cites·22 claims
- 0665US4875995ASolid addition and withdrawalLUMMUS CREST INC·Filed 1988·Granted Oct 24, 1989·22 cites·9 claims
- 0765US4744887ASolid addition and withdrawalLUMMUS CREST INC·Filed 1985·Granted May 17, 1988·22 cites·6 claims
- 0857US4846958AHigh severity visbreaking with recycleLUMMUS CREST INC·Filed 1988·Granted Jul 11, 1989·18 cites·14 claims
- 0951US4767521ATreatment of feed for high severity visbreakingLUMMUS CREST INC·Filed 1986·Granted Aug 30, 1988·14 cites·19 claims
- 1046US5217935AProcesses for regenerating catalysts contaminated with carbonaceous materialsLUMMUS CREST INC·Filed 1992·Granted Jun 8, 1993·10 cites·7 claims
- 1129US4734266APump seal oil systemLUMMUS CREST INC·Filed 1985·Granted Mar 29, 1988·3 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →