Inventor

Zaigang YANG

Inventor
CN

Overview

2→
Patents
2022–2025
Patent span
Mechanical engineering
Primary field (CPC F)

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
AssigneePatentsSpan
WANHUA CHEMICAL GROUP CO LTD22022–2025
WANHUA CHEMICAL NINGBO CO LTD12025
Locations
LocationPatentsSpan
CN22022–2025