Inventor · disambiguated record
Rollan Swanson
Also filed as: SWANSON ROLLAN
15 granted patents·183 citations·filing 1974–1983
93Inventor score
Top patents by PatentIndex Score
15 records- 0179US4606812AHydrotreating of carbonaceous materialsCHEMROLL ENTERPRISES INC·Filed 1983·Granted Aug 19, 1986·30 cites·30 claims
- 0278US3933475AExtraction of copper from copper sulfidesSWANSON ROLLAN·Filed 1974·Granted Jan 20, 1976·17 cites·11 claims
- 0377US4078917AExtraction of antimony trioxide from antimony sulfide oreSWANSON ROLLAN·Filed 1976·Granted Mar 14, 1978·19 cites·13 claims
- 0472US4018572ADesulfurization of fossil fuelsSWANSON ROLLAN·Filed 1975·Granted Apr 19, 1977·19 cites·11 claims
- 0564US4468316AHydrogenation of asphaltenes and the likeCHEMROLL ENTERPRISES INC·Filed 1983·Granted Aug 28, 1984·17 cites·16 claims
- 0660US4366044AProcess for conversion of coal to hydrocarbon and other valuesSWANSON ROLLAN·Filed 1981·Granted Dec 28, 1982·6 cites·51 claims
- 0758US4454017AProcess for recovering hydrocarbon and other values from shale oil rockSWANSON ROLLAN·Filed 1982·Granted Jun 12, 1984·13 cites·27 claims
- 0857US4160721ADe-sulfurization of petroleum residues using melt of alkali metal sulfide hydrates or hydroxide hydratesSWANSON ROLLAN·Filed 1978·Granted Jul 10, 1979·11 cites·11 claims
- 0957US3957503AExtraction of zinc and lead from their sulfidesSWANSON ROLLAN·Filed 1974·Granted May 18, 1976·6 cites·11 claims
- 1056US4210526ADesulfurizing fossil fuelsSWANSON ROLLAN·Filed 1978·Granted Jul 1, 1980·11 cites·9 claims
- 1155US4057422AOre treatment processSWANSON ROLLAN·Filed 1976·Granted Nov 8, 1977·7 cites·6 claims
- 1254US4248695ADesulfurizing a fuel with alkanol-alkali metal hydrosulfide solutionSWANSON ROLLAN·Filed 1979·Granted Feb 3, 1981·10 cites·10 claims
- 1353US4248693AProcess for recovering hydrocarbons and other values from tar sandsSWANSON ROLLAN·Filed 1979·Granted Feb 3, 1981·9 cites·14 claims
- 1444US4366045AProcess for conversion of coal to gaseous hydrocarbonsSWANSON ROLLAN·Filed 1981·Granted Dec 28, 1982·5 cites·34 claims
- 1536US4441923AIntegrated process using non-stoichiometric sulfides or oxides of potassium for making less active metals and hydrocarbonsSWANSON ROLLAN·Filed 1982·Granted Apr 10, 1984·3 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →