Inventor
Changhao KE
Inventor
CN
Overview
Patents· 1 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B01Dprimary
B01DSeparation20%
C01BNon-metallic elements20%
F23GCremation furnaces20%
F23JRemoval or treatment of combustion products or combustion residues20%
F28CHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media come into direct contact without chemical interaction20%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2025Patents assigned to WANHUA CHEMICAL GROUP CO LTD (1)· patent assignee history
2025Patents assigned to WANHUA CHEMICAL NINGBO CO LTD (1)· patent assignee history
2025Based in CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| WANHUA CHEMICAL GROUP CO LTD | 1 | 2025 |
| WANHUA CHEMICAL NINGBO CO LTD | 1 | 2025 |
Locations
| Location | Patents | Span |
|---|---|---|
| CN | 1 | 2025 |