Direct current power supply system for urban rail transit cascaded direct-hanging stations
US-12191772-B2 · Jan 7, 2025 · US
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Wang Chunfang patents
Wang Chunfang is listed as an inventor on 5 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Wang Chunfang |
| Total patents | 5 |
| First publication | Mar 16, 2017 |
| Latest publication | Jan 7, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Direct current power supply system for urban rail transit cascaded direct-hanging stations
US-2024380328-A1 · Nov 14, 2024 · US
Method and system for detecting fish school hunger degree based on feeding behavior
US-2023016348-A1 · Jan 19, 2023 · US
Facility secondary NO3− salinized soil modifier, preparation method and modification method
US-9776931-B2 · Oct 3, 2017 · US
Facility secondary no3- salinized soil modifier, preparation method and modification method
US-2017073279-A1 · Mar 16, 2017 · 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 |
|---|---|
| Guangzhou Metro Design&Research Inst Co Ltd | 2 |
| Univ Qingdao | 2 |
| Univ Hohai | 2 |
| Guangzhou Metro Design & Res Inst Co Ltd | 1 |
| Univ Wuhan | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| H02M7/219 | 2 |
| H02B1/20 | 2 |
| H02J1/00 | 2 |
| H02M1/4216 | 2 |
| H02M3/158 | 2 |