Inventor

Bowen Zheng

Inventor
Beijing, CN

Overview

2→
Patents
2019–2021
Patent span
Fixed constructions
Primary field (CPC E)

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
AssigneePatentsSpan
CHINA ENFI ENG CORP12019
INST GEOLOGY & GEOPHYSICS CAS12021
Locations
LocationPatentsSpan
Beijing, CN22019–2021