Inventor · disambiguated record
John Edmond Southwell
Also filed as: SOUTHWELL JOHN · SOUTHWELL JOHN E · SOUTHWELL JOHN EDMOND · SOUTHWELL JOHN EDMOND J
26 granted patents·23 pending applications·207 citations·filing 2001–2022
95Inventor score
Files withNISSAN CHEMICAL AMERICA CORP23DSM IP ASSETS BV9HUSQVARNA AB8NISSAN CHEMICAL CORP2THIES JENS CHRISTOPH J2
Top patents by PatentIndex Score
49 records- 0196US10557078B2Brine resistant silica solNISSAN CHEMICAL AMERICA CORP·Filed 2019·Granted Feb 11, 2020·12 cites·15 claims
- 0295US10377942B2Hydrocarbon formation treatment micellar solutionsNISSAN CHEMICAL AMERICA CORP·Filed 2018·Granted Aug 13, 2019·13 cites·7 claims
- 0393US10563117B2Crude oil recovery chemical fluidsNISSAN CHEMICAL AMERICA CORP·Filed 2018·Granted Feb 18, 2020·7 cites·14 claims
- 0492US10570331B2Crude oil recovery chemical fluidNISSAN CHEMICAL AMERICA CORP·Filed 2018·Granted Feb 25, 2020·6 cites·8 claims
- 0589US11130906B2Brine resistant silica solNISSAN CHEMICAL AMERICA CORP·Filed 2019·Granted Sep 28, 2021·2 cites·12 claims
- 0689US7276543B2Radiation curable resin compositionDSM IP ASSETS BV·Filed 2001·Granted Oct 2, 2007·35 cites·57 claims
- 0788US10801310B2Using gases and hydrocarbon recovery fluids containing nanoparticles to enhance hydrocarbon recoveryNISSAN CHEMICAL AMERICA CORP·Filed 2018·Granted Oct 13, 2020·6 cites·14 claims
- 0887USD801394SMower bladeHUSQVARNA AB·Filed 2017·Granted Oct 31, 2017·26 cites·1 claims
- 0986USD786310SMower bladeHUSQVARNA AB·Filed 2015·Granted May 9, 2017·27 cites·1 claims
- 1084US11180692B2Using brine resistant silicon dioxide nanoparticle dispersions to improve oil recoveryNISSAN CHEMICAL AMERICA CORP·Filed 2020·Granted Nov 23, 2021·1 cites·20 claims
- 1183USD873302SMower bladeHUSQVARNA AB·Filed 2018·Granted Jan 21, 2020·23 cites·1 claims
- 1282US9862146B2Substrate-based additive fabrication process and apparatusDRIESSEN MARCO MARCUS MATHEUS·Filed 2012·Granted Jan 9, 2018·38 cites·19 claims
- 1380US10934478B2Enhanced oil recovery using treatment fluids comprising colloidal silica with a proppantNISSAN CHEMICAL AMERICA CORP·Filed 2019·Granted Mar 2, 2021·1 cites·14 claims
- 1480US10870794B2Using brine resistant silicon dioxide nanoparticle dispersions to improve oil recoveryNISSAN CHEMICAL AMERICA CORP·Filed 2018·Granted Dec 22, 2020·2 cites·18 claims
- 1575US11401454B2Hydrocarbon formation treatment micellar solutionsNISSAN CHEMICAL AMERICA CORP·Filed 2021·Granted Aug 2, 2022·0 cites·13 claims
- 1674US8871133B2Method and composition for reducing waste in photo-imaging applicationsLAWTON JOHN·Filed 2012·Granted Oct 28, 2014·4 cites·17 claims
- 1772US10975289B2Hydrocarbon formation treatment micellar solutionsNISSAN CHEMICAL AMERICA CORP·Filed 2019·Granted Apr 13, 2021·0 cites·11 claims
- 1871US11518931B2Method of mitigating frac hit production interference from adjacent oil wells using treatment fluids with nanoparticlesNISSAN CHEMICAL AMERICA CORP·Filed 2020·Granted Dec 6, 2022·2 cites·9 claims
- 1971US11274244B2Using brine resistant silicon dioxide nanoparticle dispersions to improve oil recoveryNISSAN CHEMICAL AMERICA CORP·Filed 2020·Granted Mar 15, 2022·0 cites·20 claims
- 2069US11332659B2Enhanced oil recovery using treatment fluids comprising colloidal silica with a proppantNISSAN CHEMICAL AMERICA CORP·Filed 2021·Granted May 17, 2022·0 cites·23 claims
- 2168US12077712B2Using silica nanoparticles to reduce the deposition of solid sulfur in natural gas wellsNISSAN CHEMICAL AMERICA CORP·Filed 2021·Granted Sep 3, 2024·0 cites·12 claims
- 2266US12006469B2Tube coating with polar surface treated silica-based nanoparticles to prevent build-up of solid sulfurNISSAN CHEMICAL AMERICA CORP·Filed 2021·Granted Jun 11, 2024·0 cites·4 claims
- 2365US9062083B2D1479 stable liquid bap photoinitiator and its use in radiation curable compositionsDSM IP ASSETS BV·Filed 2013·Granted Jun 23, 2015·1 cites·11 claims
- 2463US2024384118A1Functionalized silica nanoparticles for use in thiolene cure 3d printingNISSAN CHEMICAL AMERICA CORP·Filed 2022·Application pending·0 cites
- 2560US2009029145A1Nano-structured surface coating process, nano-structured coatings and articles comprising the coatingDSM IP ASSETS BV·Filed 2008·Application pending·0 cites
- 2658US2024158265A1Use of amine modified nanoparticles for h2s scavengingNISSAN CHEMICAL AMERICA CORP·Filed 2022·Application pending·0 cites
- 2757US12279553B2High efficiency lawn mower bladeHUSQVARNA AB·Filed 2020·Granted Apr 22, 2025·0 cites·18 claims
- 2857US2024042382A1Use of silica nanoparticles with glyoxal for h2s scavengingNISSAN CHEMICAL AMERICA CORP·Filed 2022·Application pending·0 cites
- 2957US2024139680A1Use of silica nanoparticles with triazine for h2s scavengingNISSAN CHEMICAL AMERICA CORP·Filed 2022·Application pending·0 cites
- 3057US2025063982A1Outdoor power equipment with unequal blade rpm controlHUSQVARNA AB·Filed 2022·Application pending·0 cites
- 3157US2025221334A1Extended Life Mower BladeHUSQVARNA AB·Filed 2022·Application pending·0 cites
- 3254US9470025B2Snap feature providing component attachmentCANONGE ERIC·Filed 2011·Granted Oct 18, 2016·1 cites·20 claims
- 3354US2024207783A1Use of melamine cyanurate nanoparticles and silica nanoparticles for h2s scavengingNISSAN CHEMICAL AMERICA CORP·Filed 2022·Application pending·0 cites
- 3452US2024093084A1Chemical fluid containing an antioxidant for underground treatment of oil and gas reservoirsNISSAN CHEMICAL CORP·Filed 2022·Application pending·0 cites
- 3549US9062082B2D1479 stable liquid BAP photoinitiator and its use in radiation curable compositionsBISHOP TIMOTHY EDWARD·Filed 2011·Granted Jun 23, 2015·0 cites·18 claims
- 3649US2010001437A1Method and composition for reducing waste in photo-imaging applicationsDSM IP ASSETS BV·Filed 2009·Application pending·0 cites
- 3749US2024384183A1Use of transition metal doped nanoparticles and silica nanoparticles for h2s removalNISSAN CHEMICAL AMERICA CORP·Filed 2022·Application pending·0 cites
- 3849US2022220362A1Chemical fluid containing an antioxidant for underground treatment of oil and gas reservoirsNISSAN CHEMICAL CORP·Filed 2021·Application pending·0 cites
- 3949US2023068743A1Multi-phase composition and method for mitigating fracturing hits of underground wellsMESSER IND USA INC·Filed 2021·Application pending·0 cites
- 4048US2006084756A1Low refractive index coating compositionDSM IP ASSETS BV·Filed 2005·Application pending·0 cites
- 4148US2005261389A1Low refractive index coating compositionDSM IP ASSETS BV·Filed 2005·Application pending·0 cites
- 4247US2025180099A1Belt tension adjustment systemHUSQVARNA AB·Filed 2022·Application pending·0 cites
- 4346US2018291255A1Brine resistant silica solNISSAN CHEMICAL AMERICA CORP·Filed 2018·Application pending·0 cites
- 4445US2008286450A1Method and composition for reducing waste in photo-imaging applicationsDSM IP ASSETS BV·Filed 2007·Application pending·0 cites
- 4544US2010201019A1Method and composition for reducing waste in photo-imaging applicationsDSM IP ASSETS BV·Filed 2010·Application pending·0 cites
- 4643US2006172230A1Method and composition for reducing waste in photo-imaging applicationsDSM IP ASSETS BV·Filed 2005·Application pending·0 cites
- 4743US2025169396A1Cutting deck height adjustment for a riding lawn mowerHUSQVARNA AB·Filed 2021·Application pending·0 cites
- 4840US2006275595A1Nano-structured surface coating process, nano-structured coatings and articles comprising the coatingTHIES JENS CHRISTOPH J·Filed 2004·Application pending·0 cites
- 4940US2006286305A1Hydrophobic coatings comprising reactive nano-particlesTHIES JENS CHRISTOPH J·Filed 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →