Method for detoxifying chromium slag by using high sulfur coal
US-11478672-B2 · Oct 25, 2022 · US
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He Liwei patents
He Liwei is listed as an inventor on 2 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | He Liwei |
| Total patents | 2 |
| First publication | Sep 10, 2020 |
| Latest publication | Oct 25, 2022 |
Notable patents
Publications ranked by popularity score, then publication date.
Method For Detoxifying Chromium Slag By Using High Sulfur Coal
US-2020282252-A1 · Sep 10, 2020 · 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 |
|---|---|
| Univ Kunming Science & Technology | 2 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| A62D3/37 | 2 |
| C22B34/32 | 2 |
| A62D2101/40 | 2 |
| A62D2101/24 | 2 |
| A62D2203/02 | 2 |