Inventor
Bowen Zheng
Inventor
Beijing, CN
Overview
Patents· 2 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Dprimary
E21DShafts25%
E21FSafety devices, transport, filling-up, rescue, ventilation, or draining in or of mines or tunnels25%
F27DDetails or accessories of furnaces, kilns, ovens or retorts, in so far as they are of kinds occurring in more than one kind of furnace25%
G01NInvestigating or analysing materials by determining their chemical or physical properties25%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2019Patents assigned to CHINA ENFI ENG CORP (1)· patent assignee history
2019–2021Based in Beijing, CN· patent location history
2021Patents assigned to INST GEOLOGY & GEOPHYSICS CAS (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CHINA ENFI ENG CORP | 1 | 2019 |
| INST GEOLOGY & GEOPHYSICS CAS | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Beijing, CN | 2 | 2019–2021 |