Inventor
Qijie XUAN
Inventor
CN
Overview
Patents· 1 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B23Kprimary
B23KSoldering or unsoldering25%
F16KValves25%
F25BRefrigeration machines, plants or systems25%
Y10TTechnical subjects covered by former us classification25%
PatentTitleYear
12,104,708Guide frame for four-way reversing valve2024Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2024Patents assigned to ZHEJIANG DUNAN ARTIFICIAL ENV CO LTD (1)· patent assignee history
2024Based in CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ZHEJIANG DUNAN ARTIFICIAL ENV CO LTD | 1 | 2024 |
Locations
| Location | Patents | Span |
|---|---|---|
| CN | 1 | 2024 |