Inventor
Benkai LI
Inventor
CN
Overview
Patents· 1 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B21Dprimary
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material20%
B23PMetal-working not otherwise provided for20%
F24FAir-conditioning20%
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.
2026Patents assigned to QINGDAO HISENSE HITACHI AIR CONDITIONING SYS CO LTD (1)· patent assignee history
2026Patents assigned to UNIV QINGDAO TECHNOLOGY (1)· patent assignee history
2026Based in CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| QINGDAO HISENSE HITACHI AIR CONDITIONING SYS CO LTD | 1 | 2026 |
| UNIV QINGDAO TECHNOLOGY | 1 | 2026 |
Locations
| Location | Patents | Span |
|---|---|---|
| CN | 1 | 2026 |