Self-starting negative pressure drainage system for draining groundwater in slope and construction method thereof
US-10577770-B2 · Mar 3, 2020 · US
This page is not indexed by search engines while we improve data quality.
Wang Dongfei patents
Wang Dongfei is listed as an inventor on 3 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Wang Dongfei |
| Total patents | 3 |
| First publication | Aug 4, 2016 |
| Latest publication | Mar 3, 2020 |
Notable patents
Publications ranked by popularity score, then publication date.
Recent patents
Latest publications not already listed above.
No data yet.
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Univ Zhejiang | 2 |
| Acad Of Broadcasting Science Sarft | 2 |
| Oriental Cable Network Co Ltd | 1 |
| Jiangsu Broadcasting Cable Information Network Corp Ltd | 1 |
| Zte Corp | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| E02D3/10 | 2 |
| E02D5/74 | 2 |
| E02D17/20 | 2 |
| Y02A10/23 | 2 |
| H04N21/818 | 1 |