Inventor
Zaigang YANG
Inventor
CN
Overview
Patents· 2 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B01Dprimary
B01DSeparation14%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry14%
C01BNon-metallic elements14%
C07CAcyclic or carbocyclic compounds14%
F23GCremation furnaces14%
F23JRemoval or treatment of combustion products or combustion residues14%
F28CHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media come into direct contact without chemical interaction14%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022–2025Patents assigned to WANHUA CHEMICAL GROUP CO LTD (2)· patent assignee history
2022–2025Based in CN· patent location history
2025Patents assigned to WANHUA CHEMICAL NINGBO CO LTD (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| WANHUA CHEMICAL GROUP CO LTD | 2 | 2022–2025 |
| WANHUA CHEMICAL NINGBO CO LTD | 1 | 2025 |
Locations
| Location | Patents | Span |
|---|---|---|
| CN | 2 | 2022–2025 |