Inventor · disambiguated record
Charles W. Matthews
Also filed as: MATTHEWS CHARLES W
14 granted patents·485 citations·filing 1974–1989
93Inventor score
Top patents by PatentIndex Score
14 records- 0197US3971639AFluid bed coal gasificationGULF OIL CORP·Filed 1974·Granted Jul 27, 1976·121 cites·13 claims
- 0295US4158467AProcess for recovering shale oilGULF OIL CORP·Filed 1977·Granted Jun 19, 1979·199 cites·13 claims
- 0386US3971635ACoal gasifier having an elutriated feed streamGULF OIL CORP·Filed 1974·Granted Jul 27, 1976·28 cites·3 claims
- 0483US3935825ACoal ash agglomeration deviceINST GAS TECHNOLOGY·Filed 1975·Granted Feb 3, 1976·25 cites·11 claims
- 0578US4032618AConversion of ammonia into hydrogen and nitrogen by reaction with a sulfided catalystUS ENERGY·Filed 1976·Granted Jun 28, 1977·19 cites·1 claims
- 0676US3971636ACondensate scrubbing of coal gasifier productGULF OIL CORP·Filed 1974·Granted Jul 27, 1976·17 cites·9 claims
- 0776US3971638ACoal gasification process utilizing high sulfur carbonaceous materialGULF OIL CORP·Filed 1974·Granted Jul 27, 1976·17 cites·5 claims
- 0872US3971637ACoal gasification process utilizing waste water from an external processGULF OIL CORP·Filed 1974·Granted Jul 27, 1976·14 cites·4 claims
- 0970US4231617AConsolidation of in-situ retortGULF OIL CORP·Filed 1978·Granted Nov 4, 1980·15 cites·19 claims
- 1066US4870215APhenol alkylation processETHYL CORP·Filed 1988·Granted Sep 26, 1989·10 cites·12 claims
- 1152US4222850AProcess for retorting oil shaleGULF RESEARCH DEVELOPMENT CO·Filed 1979·Granted Sep 16, 1980·9 cites·30 claims
- 1249US3993450AElectrode assembly for a fluidized bed apparatusUS ENERGY·Filed 1975·Granted Nov 23, 1976·10 cites·9 claims
- 1332US4870216APhenol alkylation processETHYL CORP·Filed 1988·Granted Sep 26, 1989·1 cites·20 claims
- 1427US4929770AAluminum phenoxide catalyst removalETHYL CORP·Filed 1989·Granted May 29, 1990·0 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →