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Inventor

ZHENG YONGCHANG

US13 patents
⚠️ This page may combine multiple inventors who share the name “ZHENG YONGCHANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BL TECHNOLOGIES INC

6 patents
US10486151B2Nov 26, 2019

Ion-exchange membrane with multi-layered support substrate

BL TECHNOLOGIES INC3 citations72
US11484839B2Nov 1, 2022

Electrodialysis stack

BL TECHNOLOGIES INC2 citations70
US12257551B2Mar 25, 2025

Multi-stage bipolar electrodialysis system for high concentration acid or base production

BL TECHNOLOGIES INC0 citations61
US12458926B2Nov 4, 2025

Electrodialysis stack

BL TECHNOLOGIES INC0 citations59
US11904278B2Feb 20, 2024

Electrodialysis stack

BL TECHNOLOGIES INC0 citations59
US10273338B2Apr 30, 2019

Ion exchange membranes prepared from crosslinked ion exchange polymer compositions

BL TECHNOLOGIES INC0 citations50

GEN ELECTRIC

3 patents
US9700850B2Jul 11, 2017

Ion exchange membranes containing inorganic particles

GEN ELECTRIC4 citations71
US10946341B2Mar 16, 2021

Bipolar electrodialysis methods and systems

GEN ELECTRIC1 citations61
US10221289B2Mar 5, 2019

Ion exchange membranes containing inorganic particles

GEN ELECTRIC0 citations50

IONICS

2 patents
US6221248B1Apr 24, 2001

Styrene sulfonate cation exchange membrane

IONICS42 citations95
US6344584B2Feb 5, 2002

Process for producing styrene sulfonate cation

IONICS27 citations92

ZHENG YONGCHANG

1 patent
US8470896B2Jun 25, 2013

Acid block anion membrane

ZHENG YONGCHANG2 citations55

VETCO GRAY SCANDINAVIA AS

1 patent
US12157090B2Dec 3, 2024

Spiral wound bipolar electrodialysis cell

VETCO GRAY SCANDINAVIA AS0 citations48