Inventor · disambiguated record
Richard D. Ridley
Also filed as: BURTON ROBERT S III · FERNANDES ROBERT J · RIDLEY JR RICHARD DENHAM · RIDLEY RICHARD
32 granted patents·4 pending applications·1,261 citations·filing 1974–2025
98Inventor score
Files withOCCIDENTAL OIL SHALE INC19STANDARD ALCOHOL COMPANY OF AMERICA INC7OCCIDENTAL PETROLEUM CORP6RANGE FUELS INC3PERKINS CHRISTOPHER1
Top patents by PatentIndex Score
36 records- 0199US4140181ATwo-stage removal of sulfur dioxide from process gas using treated oil shaleOCCIDENTAL OIL SHALE INC·Filed 1977·Granted Feb 20, 1979·239 cites·31 claims
- 0298US4093026ARemoval of sulfur dioxide from process gas using treated oil shale and waterOCCIDENTAL OIL SHALE INC·Filed 1977·Granted Jun 6, 1978·281 cites·21 claims
- 0397US3941421AApparatus for obtaining uniform gas flow through an in situ oil shale retortOCCIDENTAL PETROLEUM CORP·Filed 1974·Granted Mar 2, 1976·182 cites·4 claims
- 0495US4423907AIn situ recovery of shale oilOCCIDENTAL OIL SHALE INC·Filed 1977·Granted Jan 3, 1984·59 cites·20 claims
- 0595US4014575ASystem for fuel and products of oil shale retortOCCIDENTAL PETROLEUM CORP·Filed 1974·Granted Mar 29, 1977·150 cites·10 claims
- 0693US4167291AMethod of forming an in situ oil shale retort with void volume as function of kerogen content of formation within retort siteOCCIDENTAL OIL SHALE INC·Filed 1977·Granted Sep 11, 1979·46 cites·13 claims
- 0791US4239283AIn situ oil shale retort with intermediate gas controlOCCIDENTAL OIL SHALE INC·Filed 1979·Granted Dec 16, 1980·38 cites·44 claims
- 0888US8821599B2Systems and methods for biomass gasifier reactor and receiver configurationPERKINS CHRISTOPHER·Filed 2010·Granted Sep 2, 2014·6 cites·14 claims
- 0983US12129225B2Biogas conversion to mixed alcoholsSTANDARD ALCOHOL COMPANY OF AMERICA INC·Filed 2023·Granted Oct 29, 2024·0 cites·18 claims
- 1082US4047760AIn situ recovery of shale oilOCCIDENTAL OIL SHALE INC·Filed 1975·Granted Sep 13, 1977·48 cites·20 claims
- 1182US2025115539A1Biogas conversion to mixed alcoholsSTANDARD ALCOHOL COMPANY OF AMERICA INC·Filed 2024·Application pending·0 cites
- 1280US12264122B2Tail gas utilization for mixed alcohols productionSTANDARD ALCOHOL COMPANY OF AMERICA INC·Filed 2023·Granted Apr 1, 2025·0 cites·16 claims
- 1379US4043596AForming shale oil recovery retort by blasting into slot-shaped columner voidOCCIDENTAL OIL SHALE INC·Filed 1975·Granted Aug 23, 1977·20 cites·51 claims
- 1477US3994343AProcess for in situ oil shale retorting with off gas recyclingOCCIDENTAL PETROLEUM CORP·Filed 1974·Granted Nov 30, 1976·29 cites·38 claims
- 1576US7919070B2Multi-zone reforming methods and apparatus for conversion of devolatilized biomass to syngasRANGE FUELS INC·Filed 2009·Granted Apr 5, 2011·4 cites·9 claims
- 1675US11845713B2Biogas conversion to mixed alcoholsSTANDARD ALCOHOL COMPANY OF AMERICA INC·Filed 2022·Granted Dec 19, 2023·0 cites·18 claims
- 1775US4076312AMethod and apparatus for retorting oil shale at subatmospheric pressureOCCIDENTAL OIL SHALE INC·Filed 1976·Granted Feb 28, 1978·16 cites·16 claims
- 1872US11845712B2Tail gas utilization for mixed alcohols productionSTANDARD ALCOHOL COMPANY OF AMERICA INC·Filed 2021·Granted Dec 19, 2023·0 cites·16 claims
- 1971US12291683B1Processes and systems for production of sustainable aviation fuel from syngas via mixed alcoholsSTANDARD ALCOHOL COMPANY OF AMERICA INC·Filed 2024·Granted May 6, 2025·0 cites·30 claims
- 2069US4036299AEnriching off gas from oil shale retortOCCIDENTAL OIL SHALE INC·Filed 1975·Granted Jul 19, 1977·29 cites·47 claims
- 2167US4007963AOil collection and recovery system for in situ oil shale retortOCCIDENTAL PETROLEUM CORP·Filed 1976·Granted Feb 15, 1977·11 cites·16 claims
- 2266US2025270462A1Processes and systems for production of sustainable aviation fuel from syngas via mixed alcoholsSTANDARD ALCOHOL COMPANY OF AMERICA INC·Filed 2025·Application pending·0 cites
- 2353US4181361AGas collection system for oil shale retortOCCIDENTAL OIL SHALE INC·Filed 1976·Granted Jan 1, 1980·6 cites·15 claims
- 2449US2011150722A1Multi-zone reforming methods and apparatus for conversion of devolatilized biomass to syngasRANGE FUELS INC·Filed 2011·Application pending·0 cites
- 2548US4120354ADetermining the locus of a processing zone in an in situ oil shale retort by pressure monitoringOCCIDENTAL OIL SHALE INC·Filed 1977·Granted Oct 17, 1978·14 cites·36 claims
- 2646US4153297AGround water control for an in situ oil shale retortOCCIDENTAL OIL SHALE INC·Filed 1977·Granted May 8, 1979·5 cites·17 claims
- 2745US4239284ASitu retort with high grade fragmented oil shale zone adjacent the lower boundaryOCCIDENTAL OIL SHALE INC·Filed 1979·Granted Dec 16, 1980·13 cites·18 claims
- 2845US3951456AProcess for effecting even retort working fluid flow throughout an in situ retort containing carbonaceous depositsOCCIDENTAL PETROLEUM CORP·Filed 1975·Granted Apr 20, 1976·12 cites·23 claims
- 2945US2009018371A1Methods and apparatus for producing alcohols from syngasRANGE FUELS INC·Filed 2008·Application pending·0 cites
- 3041US4118070ASubterranean in situ oil shale retort and method for making and operating sameOCCIDENTAL OIL SHALE INC·Filed 1977·Granted Oct 3, 1978·9 cites·23 claims
- 3141US4109964AMethod for preconditioning oil shale preliminary to explosive expansion and in situ retorting thereofOCCIDENTAL OIL SHALE INC·Filed 1977·Granted Aug 29, 1978·9 cites·24 claims
- 3240US4025115AMethod of enhancing recovery of oil from pillars adjacent in situ oil shaft retortOCCIDENTAL PETROLEUM CORP·Filed 1975·Granted May 24, 1977·9 cites·24 claims
- 3338US4153110AIgnition of fragmented oil shale below a sill pillar in an in situ oil shale retortOCCIDENTAL OIL SHALE INC·Filed 1977·Granted May 8, 1979·7 cites·25 claims
- 3437US4344484ADetermining the locus of a processing zone in an in situ oil shale retort through a well in the formation adjacent the retortOCCIDENTAL OIL SHALE INC·Filed 1980·Granted Aug 17, 1982·8 cites·20 claims
- 3536US4125157ARemoving sulfur dioxide from gas streams with retorted oil shaleOCCIDENTAL OIL SHALE INC·Filed 1977·Granted Nov 14, 1978·5 cites·12 claims
- 3635US4210366AMethod of detonating explosives for fragmenting oil shale formation toward a vertical free faceOCCIDENTAL OIL SHALE INC·Filed 1978·Granted Jul 1, 1980·6 cites·34 claims
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