Inventor
Xuan Ji
Inventor
Qingdao, CN
Overview
Patents· 2 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F25Dprimary
F25DRefrigerators40%
F25BRefrigeration machines, plants or systems20%
F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact20%
F28FDetails of heat-exchange and heat-transfer apparatus, of general application20%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2020Patents assigned to QINGDAO HAIER JOINT STOCK CO LTD (2)· patent assignee history
2020Patents assigned to QINGDAO HAIER JOINT STOCK COL LTD (1)· patent assignee history
2020Patents assigned to Qingdao haier special refrigerator co ltd (1)· patent assignee history
2020Based in Qingdao, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| QINGDAO HAIER JOINT STOCK CO LTD | 2 | 2020 |
| QINGDAO HAIER JOINT STOCK COL LTD | 1 | 2020 |
| Qingdao haier special refrigerator co ltd | 1 | 2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| Qingdao, CN | 2 | 2020 |