Inventor · disambiguated record
Yongchang Zheng
Also filed as: ZHENG YONGCHANG
13 granted patents·7 pending applications·81 citations·filing 1998–2024
88Inventor score
Top patents by PatentIndex Score
20 records- 0188US6344584B2Process for producing styrene sulfonate cationIONICS·Filed 2001·Granted Feb 5, 2002·27 cites·7 claims
- 0286US10486151B2Ion-exchange membrane with multi-layered support substrateBL TECHNOLOGIES INC·Filed 2015·Granted Nov 26, 2019·3 cites·24 claims
- 0386US9700850B2Ion exchange membranes containing inorganic particlesGEN ELECTRIC·Filed 2013·Granted Jul 11, 2017·4 cites·8 claims
- 0485US6221248B1Styrene sulfonate cation exchange membraneIONICS·Filed 1998·Granted Apr 24, 2001·42 cites·6 claims
- 0584US12458926B2Electrodialysis stackBL TECHNOLOGIES INC·Filed 2024·Granted Nov 4, 2025·0 cites·16 claims
- 0683US11484839B2Electrodialysis stackBL TECHNOLOGIES INC·Filed 2017·Granted Nov 1, 2022·2 cites·16 claims
- 0780US11904278B2Electrodialysis stackBL TECHNOLOGIES INC·Filed 2022·Granted Feb 20, 2024·0 cites·3 claims
- 0878US2025091012A1Spiral wound bipolar electrodialysis cellVETCO GRAY SCANDINAVIA AS·Filed 2024·Application pending·0 cites
- 0975US10946341B2Bipolar electrodialysis methods and systemsGEN ELECTRIC·Filed 2015·Granted Mar 16, 2021·1 cites·15 claims
- 1073US8470896B2Acid block anion membraneZHENG YONGCHANG·Filed 2010·Granted Jun 25, 2013·2 cites·17 claims
- 1166US2019153176A1Ion exchange membranes containing inorganic particlesBL TECHNOLOGIES INC·Filed 2019·Application pending·0 cites
- 1265US10273338B2Ion exchange membranes prepared from crosslinked ion exchange polymer compositionsBL TECHNOLOGIES INC·Filed 2014·Granted Apr 30, 2019·0 cites·18 claims
- 1365US10221289B2Ion exchange membranes containing inorganic particlesGEN ELECTRIC·Filed 2017·Granted Mar 5, 2019·0 cites·5 claims
- 1459US12257551B2Multi-stage bipolar electrodialysis system for high concentration acid or base productionBL TECHNOLOGIES INC·Filed 2019·Granted Mar 25, 2025·0 cites·7 claims
- 1558US12157090B2Spiral wound bipolar electrodialysis cellVETCO GRAY SCANDINAVIA AS·Filed 2017·Granted Dec 3, 2024·0 cites·8 claims
- 1654US2008272001A1Production line treatment for organic productGE IONICS INC·Filed 2008·Application pending·0 cites
- 1750US2006169586A1Production line and treatment for organic productGE IONICS INC·Filed 2005·Application pending·0 cites
- 1843US2019358589A1Ion conductive spacer, preparing process thereof and electrodialysis reversal stackBL TECHNOLOGIES INC·Filed 2018·Application pending·0 cites
- 1937US2020048421A1Cation-exchange polymer and methods of productionBL TECHNOLOGIES INC·Filed 2016·Application pending·0 cites
- 2037US2006173084A1Bipolar membrane and method of making sameZHENG YONGCHANG·Filed 2005·Application pending·0 cites
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