Inventor · disambiguated record
David A. Estell
Also filed as: ESTELL DAVID · ESTELL DAVID A · ESTELL DAVID AARON
145 granted patents·117 pending applications·3,939 citations·filing 1983–2025
99Inventor score
Top patents by PatentIndex Score
262 records- 0199US5700676AModified subtilisins having amino acid alterationsGENENCOR INT·Filed 1995·Granted Dec 23, 1997·335 cites·57 claims
- 0299USRE34606EModified enzymes and methods for making sameGENENCOR INC·Filed 1990·Granted May 10, 1994·368 cites·1 claims
- 0399US4760025AModified enzymes and methods for making sameGENENCOR INC·Filed 1984·Granted Jul 26, 1988·963 cites·3 claims
- 0498US5955340AModified subtilisins having amino acid alterationsGENENCOR INT·Filed 1995·Granted Sep 21, 1999·241 cites·102 claims
- 0598US5204015ASubtilisin mutantsGENENCOR INT·Filed 1992·Granted Apr 20, 1993·225 cites·4 claims
- 0697US8753861B2Protease comprising one or more combinable mutationsCASCAO-PEREIRA LUIS G·Filed 2009·Granted Jun 17, 2014·27 cites·15 claims
- 0797US8530219B2Compositions and methods comprising a subtilisin variantESTELL DAVID A·Filed 2009·Granted Sep 10, 2013·93 cites·11 claims
- 0896US5441882AMethod for preparing modified subtilisinsGENENCOR INC·Filed 1990·Granted Aug 15, 1995·83 cites·7 claims
- 0995US8852912B2Compositions and methods comprising alpha-amylase variants with altered propertiesESTELL DAVID A·Filed 2010·Granted Oct 7, 2014·22 cites·23 claims
- 1095US8785171B2Fabric and home care products comprising cold water proteasesSOUTER PHILIP FRANK·Filed 2010·Granted Jul 22, 2014·33 cites·6 claims
- 1195US7413877B2Bacterial expression of bowman-birk protease inhibitors and variants thereofGENENCOR INT·Filed 2004·Granted Aug 19, 2008·52 cites·16 claims
- 1295US5972682AEnzymatically active modified subtilisinsGENENCOR INT·Filed 1994·Granted Oct 26, 1999·62 cites·44 claims
- 1395US5763257AModified subtilisins having amino acid alterationsGENENCOR INT·Filed 1995·Granted Jun 9, 1998·63 cites·5 claims
- 1495US5182204ANon-human carbonyl hydrolase mutants, vectors encoding same and hosts transformed with said vectorsGENENCOR INT·Filed 1991·Granted Jan 26, 1993·75 cites·1 claims
- 1594US12448616B2Compositions and methods comprising variant microbial proteasesDANISCO US INC·Filed 2024·Granted Oct 21, 2025·0 cites·12 claims
- 1694US10577595B2Use and production of storage-stable neutral metalloproteaseDANISCO US INC·Filed 2017·Granted Mar 3, 2020·4 cites·22 claims
- 1794US7696173B2Compositions comprising bowman-birk protease inhibitors and variants thereofDANISCO US INC·Filed 2008·Granted Apr 13, 2010·20 cites·8 claims
- 1894US5801038AModified subtilisins having amino acid alterationsGENENCOR INT·Filed 1995·Granted Sep 1, 1998·59 cites·16 claims
- 1994US5310675AProcaryotic carbonyl hydrolasesGENENCOR INC·Filed 1991·Granted May 10, 1994·73 cites·2 claims
- 2094US5244791AMethods of ester hydrolysisGENECOR INT INC·Filed 1992·Granted Sep 14, 1993·78 cites·4 claims
- 2193US7772181B2Personal care compositions comprising modified variant Bowman Birk Protease InhibitorsDANISCO US INC·Filed 2008·Granted Aug 10, 2010·14 cites·93 claims
- 2293US7306937B2Multiply-substituted protease variantsGENENCOR INT·Filed 2003·Granted Dec 11, 2007·30 cites·7 claims
- 2393US6218165B1Mutant proteins having lower allergenic response in humans and methods for constructing, identifying and producing such proteinsGENENCOR INT·Filed 1999·Granted Apr 17, 2001·89 cites·10 claims
- 2492US11473075B2AprL-clade subtilisin protease variants and uses thereofDANISCO US INC·Filed 2019·Granted Oct 18, 2022·5 cites·16 claims
- 2592US9334467B2Use and production of storage-stable neutral metalloproteaseDANISCO US INC·Filed 2013·Granted May 10, 2016·7 cites·19 claims
- 2692US8114656B2Thermostable neutral metalloproteasesSHAW ANDREW·Filed 2009·Granted Feb 14, 2012·12 cites·11 claims
- 2792US6929939B2Proteins producing an altered immunogenic response and methods of making and using the samePROCTER & GAMBLE·Filed 2002·Granted Aug 16, 2005·38 cites·17 claims
- 2892US4757012AAscorbic acid intermediates and process enzymesGENENTECH INC·Filed 1984·Granted Jul 12, 1988·48 cites·5 claims
- 2992US2024401017A1Use and production of storage-stable neutral metalloproteaseDANISCO US INC·Filed 2024·Application pending·0 cites
- 3091US10093887B2Compositions and methods comprising serine protease variantsDANISCO US INC·Filed 2014·Granted Oct 9, 2018·10 cites·11 claims
- 3191US8574884B2Thermostable neutral metalloproteasesSHAW ANDREW·Filed 2012·Granted Nov 5, 2013·7 cites·33 claims
- 3291US5346823ASubtilisin modifications to enhance oxidative stabilityGENENCOR INC·Filed 1993·Granted Sep 13, 1994·52 cites·4 claims
- 3391US2025327053A1Compositions and methods comprising protease variantsDANISCO US INC·Filed 2024·Application pending·0 cites
- 3490US12338467B2Variant maltohexaose-forming α-amylase variantsDANISCO US INC·Filed 2024·Granted Jun 24, 2025·0 cites·8 claims
- 3590US11053488B2Polypeptides with endoglucanase activity and uses thereofDANISCO US INC·Filed 2017·Granted Jul 6, 2021·3 cites·22 claims
- 3690US9157052B2Methods for cleaning using a variant protease derived from subtilisinDANISCO US INC·Filed 2014·Granted Oct 13, 2015·5 cites·4 claims
- 3790US7985569B2Cellulomonas 69B4 serine protease variantsDANISCO US INC·Filed 2007·Granted Jul 26, 2011·10 cites·30 claims
- 3890US7476528B2Proteins producing an altered immunogenic response and methods of making and using the sameGENENCOR INT·Filed 2005·Granted Jan 13, 2009·7 cites·14 claims
- 3990US7279564B2Expression in filamentous fungi of protease inhibitors and variants thereofGENENCOR INT·Filed 2004·Granted Oct 9, 2007·17 cites·23 claims
- 4090US2020002693A1Variant maltohexaose-forming alpha-amylase variantsDANISCO US INC·Filed 2019·Application pending·0 cites
- 4189US12104187B2Protease variants and uses thereofDANISCO US INC·Filed 2021·Granted Oct 1, 2024·2 cites·10 claims
- 4289US11499146B2Bacillus gibsonii-clade serine proteasesDANISCO US INC·Filed 2016·Granted Nov 15, 2022·4 cites·10 claims
- 4389US11091750B2Use and production of storage-stable neutral metalloproteaseDANISCO US INC·Filed 2019·Granted Aug 17, 2021·2 cites·20 claims
- 4489US8728790B2Compositions and methods comprising protease variantsBASLER JOSHUA R·Filed 2010·Granted May 20, 2014·11 cites·3 claims
- 4589US6835550B1Mutant proteins having lower allergenic response in humans and methods for constructing, identifying and producing such proteinsGENENCOR INT·Filed 1998·Granted Dec 28, 2004·67 cites·14 claims
- 4689US5039446ALiquid detergent with stabilized enzymeGENENCOR INT·Filed 1990·Granted Aug 13, 1991·63 cites·8 claims
- 4788US11447762B2Bacillus lentus subtilisin protease variants and compositions comprising the sameDANISCO US INC·Filed 2018·Granted Sep 20, 2022·2 cites·14 claims
- 4888US6465235B1Non-human carbonyl hydrolase mutants, DNA sequences and vectors encoding same and hosts transformed with said vectorsGENENCOR INT·Filed 1997·Granted Oct 15, 2002·32 cites·48 claims
- 4987US9856466B2Compositions and methods comprising serine protease variantsAMIN NEELAM S·Filed 2012·Granted Jan 2, 2018·7 cites·19 claims
- 5087US9434915B2Compositions and methods comprising a subtilisin variantDANISCO US INC·Filed 2015·Granted Sep 6, 2016·2 cites·15 claims
Showing the top 50 of 262 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →