Inventor · disambiguated record
Edwin S. Johanson
Also filed as: JOHANSON EDWIN S
7 granted patents·166 citations·filing 1975–1983
87Inventor score
Files withHYDROCARBON RESEARCH INC7
Top patents by PatentIndex Score
7 records- 0190US4323446AMulti-zone coal conversion process using particulate carrier materialHYDROCARBON RESEARCH INC·Filed 1979·Granted Apr 6, 1982·44 cites·14 claims
- 0288US4217112AProduction of fuel gas by liquid phase hydrogenation of coalHYDROCARBON RESEARCH INC·Filed 1978·Granted Aug 12, 1980·24 cites·22 claims
- 0385US4054504ACatalytic hydrogenation of blended coal and residual oil feedsHYDROCARBON RESEARCH INC·Filed 1975·Granted Oct 18, 1977·35 cites·8 claims
- 0479US4111788AStaged hydrogenation of low rank coalHYDROCARBON RESEARCH INC·Filed 1976·Granted Sep 5, 1978·25 cites·21 claims
- 0575US4045329ACoal hydrogenation with selective recycle of liquid to reactorHYDROCARBON RESEARCH INC·Filed 1975·Granted Aug 30, 1977·23 cites·6 claims
- 0646US4510037AHydrogenation process for solid carbonaceous feed materials using thermal countercurrent flow reaction zoneHYDROCARBON RESEARCH INC·Filed 1983·Granted Apr 9, 1985·11 cites·12 claims
- 0736US4404084ACoal hydrogenation and deashing in ebullated bed catalytic reactorHYDROCARBON RESEARCH INC·Filed 1982·Granted Sep 13, 1983·4 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →