Expansion valve coil assembly
US-12334257-B2 · Jun 17, 2025 · US
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Zeng Qingjun patents
Zeng Qingjun is listed as an inventor on 2 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Zeng Qingjun |
| Total patents | 2 |
| First publication | Jun 9, 2022 |
| Latest publication | Jun 17, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Expansion valve coil assembly
US-2022181057-A1 · Jun 9, 2022 · US
Recent patents
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Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Zhejiang Dunan Artificial Env Co Ltd | 2 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| F25B41/31 | 2 |
| H01F7/126 | 2 |
| F25B41/345 | 2 |
| H01F2007/062 | 2 |
| H01F7/06 | 2 |