Road network balanced drainage method aimed at reducing urban waterlogging
US-12247359-B2 · Mar 11, 2025 · US
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Chen Feida patents
Chen Feida is listed as an inventor on 2 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Chen Feida |
| Total patents | 2 |
| First publication | Jun 9, 2022 |
| Latest publication | Mar 11, 2025 |
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Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Univ Qingdao Technology | 2 |
| Qingdao Donghuiquan Tech Co Ltd | 2 |
| Qingdao Doghuiquan Tech Co Ltd | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| E01C1/002 | 2 |
| E01C11/224 | 2 |
| E01C1/02 | 2 |