Inventor · disambiguated record
John S. Rendall
Also filed as: RENDALL JOHN S
28 granted patents·3 pending applications·761 citations·filing 1977–2006
97Inventor score
Top patents by PatentIndex Score
31 records- 0192US4737267AOil shale processing apparatus and methodDUO EX COPRORATION·Filed 1986·Granted Apr 12, 1988·250 cites·20 claims
- 0288US6447738B1Coproducing alumina, iron oxide, and titanium-dioxide from aluminum ore bodies and feedstocksSOLV EX CORP·Filed 2000·Granted Sep 10, 2002·28 cites·9 claims
- 0388US4875998AHot water bitumen extraction processSOLV EX CORP·Filed 1988·Granted Oct 24, 1989·56 cites·15 claims
- 0488US4424112AMethod and apparatus for solvent extractionSOLV EX CORP·Filed 1982·Granted Jan 3, 1984·43 cites·19 claims
- 0587US5124008AMethod of extraction of valuable minerals and precious metals from oil sands ore bodies and other related ore bodiesSOLV EX CORP·Filed 1990·Granted Jun 23, 1992·81 cites·27 claims
- 0686US4160718ASolvent extraction processROHRTIL S A·Filed 1977·Granted Jul 10, 1979·41 cites·26 claims
- 0784US6004455ASolvent-free method and apparatus for removing bituminous oil from oil sandsFiled 1997·Granted Dec 21, 1999·60 cites·8 claims
- 0870US6221233B1Aluminum production utilizing positively charged aluminaFiled 1999·Granted Apr 24, 2001·22 cites·17 claims
- 0970US5498320AMethod and apparatus for electrolytic reduction of fine-particle alumina with porous-cathode cellsSOLV EX CORP·Filed 1994·Granted Mar 12, 1996·19 cites·15 claims
- 1067US5997828AProcess for production of alumina from ore bodies containing aluminumFiled 1998·Granted Dec 7, 1999·19 cites·7 claims
- 1167US5795444AMethod and apparatus for removing bituminous oil from oil sands without solventSOLV EX CORP·Filed 1994·Granted Aug 18, 1998·22 cites·5 claims
- 1265US5762780AMethod and apparatus for removing bituminous oil from oil sands without solventSOLV EX CORP·Filed 1996·Granted Jun 9, 1998·26 cites·5 claims
- 1363US6245201B1Aluminum smelting pot-cellFiled 1999·Granted Jun 12, 2001·16 cites·10 claims
- 1460US5505823AMethod for the electrolytic production of aluminumSOLV EX CORP·Filed 1994·Granted Apr 9, 1996·15 cites·3 claims
- 1548US5746932AMethod for producing thermal insulation from dry-fine oil-sands tailingsSOLV EX CORP·Filed 1996·Granted May 5, 1998·10 cites·6 claims
- 1648US5720868AMethod for producing electrolytic-pot-cell grade alumina from aluminum sulphateSOLV EX CORP·Filed 1996·Granted Feb 24, 1998·8 cites·8 claims
- 1744US5871571AInks and UV-opaque protectorants comprising basic sodium and/or sodium/potassium aluminum sulfates and process for making such commercial productsSOLV EX CORP·Filed 1997·Granted Feb 16, 1999·11 cites·5 claims
- 1844US5783163AProcess for making basic sodium and/or potassium aluminum sulphates and for making paper with suchSOLV EX CORP·Filed 1996·Granted Jul 21, 1998·5 cites·10 claims
- 1943US2003098262A1Supercritical hydro extraction of kerogen and aqueous extraction of alumina and soda ASH with a residue for portland cement productionFiled 2002·Application pending·0 cites
- 2043US2006180503A1Producing crude oil from oil shadeRENDALL JOHN S·Filed 2006·Application pending·0 cites
- 2142US5895523AProcess for making basic alkali metal sulfate pigmentsSOLV EX CORP·Filed 1997·Granted Apr 20, 1999·5 cites·3 claims
- 2239US5387276AMethod of leaching mineral values from oil sand tailingsSOLV EX CORP·Filed 1993·Granted Feb 7, 1995·3 cites·11 claims
- 2338US2007012598A1Supercritical hydroextraction of kerogen from oil shale oresRENDALL JOHN S·Filed 2006·Application pending·0 cites
- 2435US5865952AProcess for making basic sodium and/or potassium aluminum sulphates and for making paper with suchSOLV EX CORP·Filed 1998·Granted Feb 2, 1999·3 cites·7 claims
- 2534US5846512AMethod for producing activated alumina catalystSOLV EX COPORATION·Filed 1996·Granted Dec 8, 1998·4 cites·6 claims
- 2633US5783280ARigid thermal insulationSOLV EX CORP·Filed 1996·Granted Jul 21, 1998·3 cites·6 claims
- 2733US5589023AMethod for making and shaping objects of rigid insulationSOLV EX CORP·Filed 1995·Granted Dec 31, 1996·2 cites·9 claims
- 2833US4303620AExtraction processRTL CONTACTOR HOLDING SA·Filed 1978·Granted Dec 1, 1981·3 cites·19 claims
- 2932US5662880AMethod for producing catalyst-grade alumina from aluminum sulphateSOLV EX CORP·Filed 1996·Granted Sep 2, 1997·1 cites·7 claims
- 3030US6056813AProcess and system for producing pigments directly from component raw materials without byproductsSOLV EX CORP·Filed 1998·Granted May 2, 2000·3 cites·7 claims
- 3129US4353877AExtraction processRENDALL JOHN S·Filed 1978·Granted Oct 12, 1982·2 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →