Inventor · disambiguated record
John H. Lienhard
Also filed as: BORKAR GURUDATT S · LIENHARD JOHN · LIENHARD JOHN H · LIENHARD V JOHN H
43 granted patents·15 pending applications·1,238 citations·filing 1978–2023
98Inventor score
Files withMASSACHUSETTS INST TECHNOLOGY42GOVINDAN PRAKASH NARAYAN4BAJPAYEE ANURAG2GONDAL MOHAMMED ASHRAF2GOVINDAN PRAKASH N2
Top patents by PatentIndex Score
58 records- 0198US9320984B2Humidification-dehumidification system with a bubble-column vapor mixture condenser and intermediate gas extractionMASSACHUSETTS INST TECHNOLOGY·Filed 2015·Granted Apr 26, 2016·17 cites·8 claims
- 0298US9120033B2Multi-stage bubble column humidifierMASSACHUSETTS INST TECHNOLOGY·Filed 2013·Granted Sep 1, 2015·37 cites·2 claims
- 0398US8778065B2Humidification-dehumidification system including a bubble-column vapor mixture condenserMASSACHUSETTS INST TECHNOLOGY·Filed 2013·Granted Jul 15, 2014·40 cites·13 claims
- 0498US8523985B2Bubble-column vapor mixture condenserGOVINDAN PRAKASH NARAYAN·Filed 2012·Granted Sep 3, 2013·45 cites·9 claims
- 0597US9403104B2Multi-stage bubble-column vapor mixture condenserMASSACHUSETTS INST TECHNOLOGY·Filed 2015·Granted Aug 2, 2016·12 cites·11 claims
- 0697US9072984B2Bubble-column vapor mixture condenserGOVINDAN PRAKASH NARAYAN·Filed 2011·Granted Jul 7, 2015·31 cites·14 claims
- 0797US8465006B2Separation of a vaporizable component under reduced pressureMASSACHUSETTS INST TECHNOLOGY·Filed 2012·Granted Jun 18, 2013·27 cites·19 claims
- 0897US6091062AMethod and apparatus for temperature control of a semiconductor electrical-test contractor assemblyKINETRIX INC·Filed 1998·Granted Jul 18, 2000·551 cites·18 claims
- 0996US9790102B2Multi-stage bubble column humidifierMASSACHUSETTS INST TECHNOLOGY·Filed 2015·Granted Oct 17, 2017·9 cites·4 claims
- 1096US8496234B1Thermodynamic balancing of combined heat and mass exchange devicesGOVINDAN PRAKASH NARAYAN·Filed 2012·Granted Jul 30, 2013·60 cites·17 claims
- 1195US10053373B2Multi-stage bubble column humidification and dehumidificationMASSACHUSETTS INST TECHNOLOGY·Filed 2015·Granted Aug 21, 2018·7 cites·12 claims
- 1295US9957180B2Ion sequestration for scale preventionMASSACHUSETTS INST TECHNOLOGY·Filed 2017·Granted May 1, 2018·12 cites·12 claims
- 1395US8292272B2Water separation under reduced pressureELSHARQAWY MOSTAFA H·Filed 2009·Granted Oct 23, 2012·59 cites·17 claims
- 1494US10626037B2Concentrating aqueous solutions via hybridizing electrodialysis and other desalination techniquesMASSACHUSETTS INST TECHNOLOGY·Filed 2018·Granted Apr 21, 2020·16 cites·21 claims
- 1593US9617179B2Ion sequestration for scale prevention in high-recovery desalination systemsMASSACHUSETTS INST TECHNOLOGY·Filed 2013·Granted Apr 11, 2017·16 cites·14 claims
- 1693US8647477B2High-efficiency thermal-energy-driven water purification systemGOVINDAN PRAKASH N·Filed 2011·Granted Feb 11, 2014·34 cites·23 claims
- 1793US8501007B2Water desalination using directional solvent extractionBAJPAYEE ANURAG·Filed 2012·Granted Aug 6, 2013·23 cites·20 claims
- 1893US8252092B2Water separation under varied pressureGOVINDAN PRAKASH N·Filed 2009·Granted Aug 28, 2012·61 cites·26 claims
- 1993US8119007B2Water desalination using directional solvent extractionBAJPAYEE ANURAG·Filed 2010·Granted Feb 21, 2012·31 cites·20 claims
- 2092US9925494B2Concentration control in filtration systems, and associated methodsMASSACHUSETTS INST TECHNOLOGY·Filed 2015·Granted Mar 27, 2018·4 cites·16 claims
- 2192US9416800B2Thermodynamic balancing of combined heat and mass exchange devicesGOVINDAN PRAKASH NARAYAN·Filed 2013·Granted Aug 16, 2016·15 cites·20 claims
- 2290US10166510B2Batch pressure-driven membrane separation with closed-flow loop and reservoirMASSACHUSETTS INST TECHNOLOGY·Filed 2016·Granted Jan 1, 2019·5 cites·11 claims
- 2388US10603635B2Multi-stage reverse osmosis systems and methodsMASSACHUSETTS INST TECHNOLOGY·Filed 2017·Granted Mar 31, 2020·6 cites·9 claims
- 2488US10392270B2Multi-effect membrane distillationMASSACHUSETTS INST TECHNOLOGY·Filed 2016·Granted Aug 27, 2019·8 cites·28 claims
- 2588US2024042345A1Multi-Stage Bubble-Column Vapor Mixture CondensationMASSACHUSETTS INST TECHNOLOGY·Filed 2023·Application pending·0 cites
- 2687US10258926B2Hybridization of humidification-dehumidification and pressure-retarded osmosisMASSACHUSETTS INST TECHNOLOGY·Filed 2016·Granted Apr 16, 2019·6 cites·9 claims
- 2785US11161755B2Multi-stage bubble column humidification and dehumidificationMASSACHUSETTS INST TECHNOLOGY·Filed 2018·Granted Nov 2, 2021·1 cites·10 claims
- 2884US9751047B2Hydrophobic air-gap membrane distillationMASSACHUSETTS INST TECHNOLOGY·Filed 2014·Granted Sep 5, 2017·8 cites·26 claims
- 2982US11465098B2Batch pressure-driven membrane separation with closed-flow loop and reservoirMASSACHUSETTS INST TECHNOLOGY·Filed 2018·Granted Oct 11, 2022·2 cites·8 claims
- 3081US10472258B2Thermal energy-driven mechanical compression humidification-dehumidification water purificationMASSACHUSETTS INST TECHNOLOGY·Filed 2015·Granted Nov 12, 2019·2 cites·11 claims
- 3179US5918648AMethod and apparatus for measuring volumeSPEEDLINE TECHOLOGIES INC·Filed 1997·Granted Jul 6, 1999·67 cites·29 claims
- 3278US2022017384A1Bubble-Column-Humidification Apparatus and MethodMASSACHUSETTS INST TECHNOLOGY·Filed 2021·Application pending·0 cites
- 3376US2021228998A1Multi-Stage Bubble-Column Vapor Mixture CondensationMASSACHUSETTS INST TECHNOLOGY·Filed 2021·Application pending·0 cites
- 3472US9956528B2Energy-efficient conductive-gap membrane distillationMASSACHUSETTS INST TECHNOLOGY·Filed 2015·Granted May 1, 2018·2 cites·28 claims
- 3570US11007455B2Multi-stage bubble-column vapor mixture condensationMASSACHUSETTS INST TECHNOLOGY·Filed 2019·Granted May 18, 2021·0 cites·11 claims
- 3667US10501344B2Apparatus for partially desalinating produced water to form extraction fluid used for fossil fuel extractionMASSACHUSETTS INST TECHNOLOGY·Filed 2019·Granted Dec 10, 2019·0 cites·6 claims
- 3766US10441921B2Maintenance of gas layers for fouling prevention on submerged surfacesMASSACHUSETTS INST TECHNOLOGY·Filed 2016·Granted Oct 15, 2019·1 cites·22 claims
- 3864US2016271518A1Multi-Stage Bubble-Column Vapor Mixture Condenser and HDH SystemMASSACHUSETTS INST TECHNOLOGY·Filed 2016·Application pending·0 cites
- 3963US10561987B2Concentration control in filtration systems, and associated methodsMASSACHUSETTS INST TECHNOLOGY·Filed 2018·Granted Feb 18, 2020·0 cites·22 claims
- 4059US6036023AHeat-transfer enhancing features for semiconductor carriers and devicesTERADYNE INC·Filed 1997·Granted Mar 14, 2000·23 cites·11 claims
- 4159US2020261849A1Multi-Stage Reverse Osmosis Systems and MethodsMASSACHUSETTS INST TECHNOLOGY·Filed 2020·Application pending·0 cites
- 4257US9505635B2Wastewater filtration system and methodGONDAL MOHAMMED ASHRAF·Filed 2014·Granted Nov 29, 2016·0 cites·2 claims
- 4354US10273170B2Method and apparatus for partially desalinating produced water to form extraction fluid used for fossil fuel extractionMASSACHUSETTS INST TECHNOLOGY·Filed 2015·Granted Apr 30, 2019·0 cites·6 claims
- 4453US2025128211A1Harnessing Metal Ions from BrinesMASSACHUSETTS INST TECHNOLOGY·Filed 2022·Application pending·0 cites
- 4553US2025235825A1Systems and methods for osmotically assisted reverse osmosis configurationsMASSACHUSETTS INST TECHNOLOGY·Filed 2023·Application pending·0 cites
- 4652US2020189941A1Method and System for Treating Agricultural or Industrial Recirculation WaterMASSACHUSETTS INST TECHNOLOGY·Filed 2019·Application pending·0 cites
- 4751US11840462B2Switchable system for high-salinity brine desalination and fractional precipitationMASSACHUSETTS INST TECHNOLOGY·Filed 2022·Granted Dec 12, 2023·0 cites·17 claims
- 4847US11638903B2Deformation-enhanced cleaning of fouled membranesMASSACHUSETTS INST TECHNOLOGY·Filed 2020·Granted May 2, 2023·0 cites·19 claims
- 4947US2024198291A1Systems and methods for rapid flushing of a membrane-based systemMASSACHUSETTS INST TECHNOLOGY·Filed 2022·Application pending·0 cites
- 5043US2015174567A1Hybrid photocatalyst for wastewater remediationGONDAL MOHAMMED ASHRAF·Filed 2014·Application pending·0 cites
Showing the top 50 of 58 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →