Ejector for fuel cell and fuel cell
US-2025192198-A1 · Jun 12, 2025 · US
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Yu Qingfeng patents
Yu Qingfeng is listed as an inventor on 3 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Yu Qingfeng |
| Total patents | 3 |
| First publication | Oct 6, 2022 |
| Latest publication | Jun 12, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Nozzle assembly, ejecting device and ejecting method
US-11850618-B2 · Dec 26, 2023 · US
Nozzle assembly, ejecting device and ejecting method
US-2022314248-A1 · Oct 6, 2022 · 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 |
|---|---|
| Yantai Jereh Petroleum Equipment & Technologies Co Ltd | 2 |
| Schaeffler Technologies Ag | 1 |
| Jereh C Create Tech Co Ltd | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| B05B5/03 | 2 |
| B05B5/053 | 2 |
| B05B5/0533 | 2 |
| H01M2250/20 | 1 |
| H01M8/04425 | 1 |