Inventor · disambiguated record
John A. Jensvold
Also filed as: JENSVOLD JOHN · JENSVOLD JOHN A · JENSVOLD JOHN ARTHUR
28 granted patents·11 pending applications·688 citations·filing 1987–2021
97Inventor score
Top patents by PatentIndex Score
39 records- 0195US7517388B2Air separation membrane module with variable sweep streamGENERON IGS INC·Filed 2006·Granted Apr 14, 2009·42 cites·14 claims
- 0293US5282964ABoreside feed hollow fiber membrane deviceDOW CHEMICAL CO·Filed 1993·Granted Feb 1, 1994·128 cites·16 claims
- 0390US7578871B2Gas separation membrane with partial surfactant coatingGENERON IGS INC·Filed 2005·Granted Aug 25, 2009·19 cites·6 claims
- 0489US6168649B1Membrane for separation of xenon from oxygen and nitrogen and method of using sameMG GENERON INC·Filed 1998·Granted Jan 2, 2001·90 cites·15 claims
- 0587US10561978B2Membrane-based gas separation with retentate sweepGENERON IGS INC·Filed 2018·Granted Feb 18, 2020·5 cites·9 claims
- 0686US5409524AMembranes having improved selectivity and recovery, and process for making sameDOW CHEMICAL CO·Filed 1993·Granted Apr 25, 1995·66 cites·16 claims
- 0784US11660565B2Compact membrane module system for gas separationGENERAN IGS INC·Filed 2020·Granted May 30, 2023·2 cites·21 claims
- 0884US9764275B2Membrane module capable of operation in extreme temperature environmentsGENERON IGS INC·Filed 2015·Granted Sep 19, 2017·4 cites·12 claims
- 0980US10843127B2Compact membrane module system for gas separationGENERON IGS INC·Filed 2018·Granted Nov 24, 2020·2 cites·13 claims
- 1079US9034957B2High-flow hollow-fiber membranes containing polymer blendsGENERON IGS INC·Filed 2013·Granted May 19, 2015·4 cites·14 claims
- 1179US8409324B1Sweep gas for membrane-based dehydration modulesGENERON IGS INC·Filed 2012·Granted Apr 2, 2013·5 cites·4 claims
- 1279US7294174B2Air dehydration membraneGENERON IGS INC·Filed 2005·Granted Nov 13, 2007·8 cites·20 claims
- 1379US6136073ABoreside feed modules with permeate flow channelsMG GENERON·Filed 1998·Granted Oct 24, 2000·55 cites·21 claims
- 1474US6387163B1Ozone treatment of surface of membrane to improve permselectivityMG GENERON·Filed 2000·Granted May 14, 2002·21 cites·18 claims
- 1574US4955993ASemi-permeable hollow fiber gas separation membranes possessing a non-external discriminating regionDOW CHEMICAL CO·Filed 1989·Granted Sep 11, 1990·34 cites·106 claims
- 1672US4772392AProcess for preparing POWADIR membranes from tetrahalobisphenol A polycarbonatesDOW CHEMICAL CO·Filed 1987·Granted Sep 20, 1988·35 cites·47 claims
- 1770US4838904ASemi-permeable membranes with an internal discriminating regionDOW CHEMICAL CO·Filed 1987·Granted Jun 13, 1989·28 cites·30 claims
- 1865US6641643B2Ceramic deoxygenation hybrid systems for the production of oxygen and nitrogen gasesGENERON IGS INC·Filed 2001·Granted Nov 4, 2003·7 cites·22 claims
- 1964US5598874ALoom processing of hollow fiber membranesMG GENERON INC·Filed 1995·Granted Feb 4, 1997·35 cites·25 claims
- 2062US11654401B2Gas separation membrane cartridge with clamshell retainerGENERON IGS INC·Filed 2021·Granted May 23, 2023·0 cites·4 claims
- 2162US5163977ASemi-permeable gas separation membranes containing non-ionic surfactants possessing improved resistance to thermal compaction and processes for making and using the sameDOW CHEMICAL CO·Filed 1991·Granted Nov 17, 1992·26 cites·87 claims
- 2261US6153097AInternal staged permeator for fluid separationMG GENERON·Filed 1999·Granted Nov 28, 2000·34 cites·25 claims
- 2355US9545599B2Hybrid membrane system for gas streams with condensable hydrocarbonsGENERON IGS INC·Filed 2014·Granted Jan 17, 2017·0 cites·18 claims
- 2454US10933369B2Gas dehydration membrane module with integral filterGENERAN IGS INC·Filed 2018·Granted Mar 2, 2021·0 cites·12 claims
- 2554US2008066617A1Gas separation membrane with partial surfactant coatingGENERON IGS INC·Filed 2007·Application pending·0 cites
- 2653US5141530APolycarbonate, polyester, and polyestercarbonate semi-permeable gas separation membranes possessing improved gas selectivity and recovery, and processes for making and using the sameDOW CHEMICAL CO·Filed 1991·Granted Aug 25, 1992·18 cites·85 claims
- 2752US11103827B2Two-stage gas separation unit contained within a single housingGENERON IGS INC·Filed 2020·Granted Aug 31, 2021·0 cites·7 claims
- 2848US4900334AProcess for treating a liquid-wet polycarbonate membrane to improve its gas separation propertiesDOW CHEMICAL CO·Filed 1988·Granted Feb 13, 1990·11 cites·15 claims
- 2947US2008134886A1Production of moderate purity oxygen using gas separation membranesGENERON IGS INC·Filed 2006·Application pending·0 cites
- 3045US2011185891A1Sweep gas for membrane-based dehydration modulesGENERON IGS INC·Filed 2010·Application pending·0 cites
- 3143US2005235826A1Air separation system using dehydration membrane for pretreatment of compressed airGENERON IGS INC·Filed 2005·Application pending·0 cites
- 3242US2010232985A1Fuel gas conditioning with membrane separationGENERON IGS INC·Filed 2010·Application pending·0 cites
- 3342US2005034602A1Air dehydration membraneFiled 2003·Application pending·0 cites
- 3439US6156381AOzone treatment of surface of membrane to improve permselectivityMG GENERON·Filed 1998·Granted Dec 5, 2000·9 cites·19 claims
- 3539US2013220118A1Separation of gas mixtures containing condensable hydrocarbonsGENERON IGS INC·Filed 2013·Application pending·0 cites
- 3636US2016303507A1Gas separation membrane module with integrated filterGENERON IGS INC·Filed 2015·Application pending·0 cites
- 3733US2005082057A1Recovery of heavy oils through in-situ combustion processFiled 2003·Application pending·0 cites
- 3833US2005133270A1Oil recovery using non-cryogenically produced nitrogen and off-gas recyclingFiled 2003·Application pending·0 cites
- 3930US2018361311A1Membrane-based system for generating high-purity nitrogenGENERON IGS INC·Filed 2016·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →