Inventor

Changhao KE

Inventor
CN

Overview

1→
Patents
2025
Patent span
Mechanical engineering
Primary field (CPC F)

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
AssigneePatentsSpan
WANHUA CHEMICAL GROUP CO LTD12025
WANHUA CHEMICAL NINGBO CO LTD12025
Locations
LocationPatentsSpan
CN12025