Inventor · disambiguated record
David B. Litzen
Also filed as: LITZEN DAVID · LITZEN DAVID B
2 granted patents·3 pending applications·31 citations·filing 1986–2024
60Inventor score
Top patents by PatentIndex Score
5 records- 0178US5583263AProcess of making ketonesSHELL OIL CO·Filed 1995·Granted Dec 10, 1996·26 cites·5 claims
- 0253US2025115540A1Systems and methods to purify crude ethanol for high purity ethanolLITZEN PROCESS CONSULTING INC·Filed 2024·Application pending·0 cites
- 0351US4762616AIsopropyl alcohol purification processSHELL OIL CO·Filed 1986·Granted Aug 9, 1988·5 cites·9 claims
- 0435US2006141584A1Pretreatment of biomass for ethanol productionLITZEN DAVID·Filed 2005·Application pending·0 cites
- 0531US2011081689A1Process for Thermal-Mechanical Pretreatment of BiomassKL ENERGY CORP·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →