Pet litter box
US-D1066829-S · Mar 11, 2025 · US
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Feng Liu patents
Feng Liu is listed as an inventor on 2 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Feng Liu |
| Total patents | 2 |
| First publication | Oct 24, 2024 |
| Latest publication | Mar 11, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
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 |
|---|---|
| Radio Systems Corp | 1 |
| Chinese Res Acad Env Sciences | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| C02F2101/38 | 1 |
| B01J37/04 | 1 |
| B01J37/031 | 1 |
| C02F1/722 | 1 |
| C01G45/1214 | 1 |