Inventor · disambiguated record
Robert P. Hepfer
Also filed as: HEPFER ROBERT P · HEPFER ROBERT PAUL
3 granted patents·1 pending application·27 citations·filing 1999–2024
69Inventor score
Top patents by PatentIndex Score
4 records- 0168US6989455B2Two-stage process for the hydrogenation of maleic acid to 1,4-butanediolISP INVESTMENTS INC·Filed 2003·Granted Jan 24, 2006·6 cites·16 claims
- 0264US2024301296A1Multistage reactor systems and processes for conversion of oxygenatesGEVO INC·Filed 2024·Application pending·0 cites
- 0361US7442345B2Reactor apparatusINEOS USA LLC·Filed 2004·Granted Oct 28, 2008·6 cites·16 claims
- 0448US6358483B1Sparger for oxygen injection into a fluid bed reactorSTANDARD OIL CO·Filed 1999·Granted Mar 19, 2002·15 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →