Inventor · disambiguated record
David H. Dumfries
Also filed as: DUMFRIES DAVID · DUMFRIES DAVID H
3 granted patents·129 citations·filing 1991–1998
76Inventor score
Files withEXXON RESEARCH ENGINEERING CO3
Top patents by PatentIndex Score
3 records- 0191US6059955ALow viscosity lube basestockEXXON RESEARCH ENGINEERING CO·Filed 1998·Granted May 9, 2000·88 cites·6 claims
- 0272US5182248AHigh porosity, high surface area isomerization catalystEXXON RESEARCH ENGINEERING CO·Filed 1991·Granted Jan 26, 1993·28 cites·22 claims
- 0352US5290426AHigh porosity, high surface area isomerization catalyst and its useEXXON RESEARCH ENGINEERING CO·Filed 1992·Granted Mar 1, 1994·13 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →