Dual-membrane on-line generator for acid or alkali solution
US-11827990-B2 · Nov 28, 2023 · US
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Zhang Feifang patents
Zhang Feifang is listed as an inventor on 2 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Zhang Feifang |
| Total patents | 2 |
| First publication | Jul 29, 2021 |
| Latest publication | Nov 28, 2023 |
Notable patents
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Dual-membrane on-line generator for acid or alkali solution
US-2021230756-A1 · Jul 29, 2021 · US
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Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Univ East China Science & Tech | 2 |
| Shimadzu China Co Ltd | 2 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| B01D61/465 | 2 |
| B01D61/466 | 2 |
| B01D61/445 | 2 |
| C25B9/23 | 2 |
| B01J47/08 | 2 |