Apparatus and method for treating waste water containing ammonium salts
US-11820690-B2 · Nov 21, 2023 · US
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Guo Hongqi patents
Guo Hongqi is listed as an inventor on 4 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Guo Hongqi |
| Total patents | 4 |
| First publication | Feb 28, 2019 |
| Latest publication | Nov 21, 2023 |
Notable patents
Publications ranked by popularity score, then publication date.
Apparatus and Method for Treating Waste Water Containing Ammonium Salts
US-2021017059-A1 · Jan 21, 2021 · US
Apparatus and method for treating waste water containing ammonium salts
US-10829401-B2 · Nov 10, 2020 · US
Apparatus and Method for Treating Waste Water Containing Ammonium Salts
US-2019062188-A1 · Feb 28, 2019 · US
Recent patents
Latest publications not already listed above.
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Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| China Petroleum & Chem Corp | 4 |
| Sinopec Catalyst Co Ltd | 4 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| C02F2101/101 | 4 |
| C02F9/00 | 4 |
| C02F1/22 | 4 |
| C02F1/004 | 4 |
| C02F2001/5218 | 4 |