Inventor · disambiguated record
John W. College
Also filed as: COLLEGE JOHN · COLLEGE JOHN W · COLLEGE JOHN WALTER
31 granted patents·457 citations·filing 1985–2020
97Inventor score
Top patents by PatentIndex Score
31 records- 0190US8882943B2System and method for the production of gypsum board using starch pelletsCOLLEGE JOHN W·Filed 2011·Granted Nov 11, 2014·13 cites·10 claims
- 0288US7955587B2System and method for the production of alpha type gypsum using heat recoveryCERTAINTEED GYPSUM INC·Filed 2009·Granted Jun 7, 2011·9 cites·7 claims
- 0387US5766339AProcess for producing cement from a flue gas desulfurization process waste productDRAVO LIME CO·Filed 1997·Granted Jun 16, 1998·73 cites·16 claims
- 0483US9902656B2System and method for the production of gypsum board using starch pelletsCERTAINTEED GYPSUM INC·Filed 2014·Granted Feb 27, 2018·3 cites·3 claims
- 0583US7498014B2System and method for the production of alpha type gypsum using heat recoveryCERTAINTEED GYPSUM INC·Filed 2007·Granted Mar 3, 2009·6 cites·9 claims
- 0676US10532955B2System and method for the production of gypsum board using starch pelletsCERTAINTEED GYPSUM INC·Filed 2017·Granted Jan 14, 2020·2 cites·18 claims
- 0774US5769940AProcess for producing cement and elemental sulfur from a flue gas desulfurization waste productDRAVO LIME CO·Filed 1997·Granted Jun 23, 1998·30 cites·11 claims
- 0871US11873259B2System and method for the production of gypsum board using starch pelletsCERTAINTEED GYPSUM INC·Filed 2020·Granted Jan 16, 2024·0 cites·20 claims
- 0971US4626418ARemoval of SO2 from SO2 -containing gasesDRAVO CORP·Filed 1985·Granted Dec 2, 1986·32 cites·22 claims
- 1070US4976937ASulfur dioxide removal from flue gases with sulfite oxidation inhibitionDRAVO LIME CO·Filed 1990·Granted Dec 11, 1990·24 cites·12 claims
- 1169US5380505AProduction of low sulfur content lime from limestoneDRAVO LIME CO·Filed 1993·Granted Jan 10, 1995·19 cites·17 claims
- 1268US9656876B1Method for reducing elemental sulfur in gypsum productsCERTAINTEED GYPSUM INC·Filed 2015·Granted May 23, 2017·1 cites·27 claims
- 1366US5312609AMethod of sulfur dioxide removal from gaseous streams with α-hemihydrate gypsum product formationDRAVO LIME CO·Filed 1992·Granted May 17, 1994·17 cites·12 claims
- 1466US5200160AProcess for removing sulfur dioxide and nitrogen oxides from flue gasesDRAVO LIME CO·Filed 1991·Granted Apr 6, 1993·31 cites·18 claims
- 1565US6250473B1Method and apparatus for separating fast settling particles from slow settling particlesFIRSTENERGY VENTURES CORP·Filed 1998·Granted Jun 26, 2001·31 cites·2 claims
- 1665US5084255ASulfur dioxide removal process with gypsum and magnesium hydroxide productionDRAVCO LIME COMPANY·Filed 1991·Granted Jan 28, 1992·32 cites·21 claims
- 1762US10473397B2Method for the use of heat energy from gasification sources in gypsum board productionCERTAINTEED GYPSUM INC·Filed 2013·Granted Nov 12, 2019·1 cites·16 claims
- 1862US8371038B2Method for the use of heat energy from gasification sources in gypsum board productionCERTAINTEED GYPSUM INC·Filed 2008·Granted Feb 12, 2013·1 cites·8 claims
- 1960US5270026ASulfur dioxide scrubbing process producing purified magnesium hydroxideDRAVO LIME CO·Filed 1992·Granted Dec 14, 1993·13 cites·9 claims
- 2058US9862903B2System and method for using board plant flue gases in the production of syngasCERTAINTEED GYPSUM INC·Filed 2013·Granted Jan 9, 2018·0 cites·16 claims
- 2157US8545578B2System and method for using board plant flue gases in the production of syngasCOLLEGE JOHN·Filed 2009·Granted Oct 1, 2013·0 cites·6 claims
- 2257US5266285ASodium-enhanced lime scrubbing method for removing sulfur dioxide from gaseous streamsSOUTHERN INDIANA GAS AND ELECT·Filed 1992·Granted Nov 30, 1993·29 cites·12 claims
- 2355US11034621B2Struvite-K/Syngenite building compositions comprising silicate materials and building articles such as wallboards made therefromCERTAINTEED GYPSUM INC·Filed 2018·Granted Jun 15, 2021·0 cites·19 claims
- 2454US5614158AProcess for removing sulfur dioxide from gases and producing gypsum and purified magnesium hydroxideDRAVO LIME CO·Filed 1995·Granted Mar 25, 1997·11 cites·3 claims
- 2553US5628811AMethod of ameliorating acid soil to enhance plant growthDRAVO LIME CO·Filed 1994·Granted May 13, 1997·15 cites·11 claims
- 2652US6197200B1Method of purifying flue gas waste slurries for use in gypsum productionEASTROC LLC·Filed 1999·Granted Mar 6, 2001·27 cites·13 claims
- 2749US5645807AMagnesium-enhanced sulfur dioxide scrubbing with gypsum formationDRAVO LIME CO·Filed 1995·Granted Jul 8, 1997·19 cites·10 claims
- 2843US8388926B2System and method for the production of gypsum using heat recoveryCOLLEGE JOHN W·Filed 2011·Granted Mar 5, 2013·0 cites·18 claims
- 2937US6099816AProcess for desulfurizing a sulfur-dioxide containing gasDRAVO LIME INC·Filed 1996·Granted Aug 8, 2000·9 cites·7 claims
- 3035US5827488AProcess for removing SO2 and NOx from a gaseous streamDRAVO LIME CO·Filed 1996·Granted Oct 27, 1998·6 cites·8 claims
- 3129US5695727AProcess for removing sulfur dioxide and nitrogen oxides from a hot gaseous stream with ferrous chelate regenerationDRAVO LIME CO·Filed 1996·Granted Dec 9, 1997·3 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →