Inventor · disambiguated record

Richard P. Guptill

Also filed as: GUPTILL RICHARD P

2 granted patents·9 citations·filing 1983–1988

54Inventor score

Technology areasB01D C10G

Files withTEXACO INC2

Top patents by PatentIndex Score

2 records

0132US4808309AVariable length membrane moduleTEXACO INC·Filed 1988·Granted Feb 28, 1989·6 cites·12 claims
0229US4476009AProcess for improving the hydrogen donor properties of a coal liquefaction solventTEXACO INC·Filed 1983·Granted Oct 9, 1984·3 cites·5 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →