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Inventor

Chunsheng Liu

Inventor
Beijing, CN

Overview

4→
Patents
2009–2020
Patent span
Physics
Primary field (CPC G)

Patents· 4 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G01Vprimary
G01VGeophysics43%
H04NPictorial communication, e.g. television29%
LOC2414%
Y02ATechnologies for adaptation to climate change14%
PatentTitleYear
10,845,503Three-dimensional directional transient electromagnetic detection device and method for mining borehole202010,795,051Three-dimensional digital virtual imaging device and method for stratigraphic texture of borehole core20209,817,148'Borehole while drilling electromagnetic tomography advanced detection apparatus and method'2017D0594974'Sanitary napkin'2009

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2009Patents assigned to MCNEIL PPC INC (1)· patent assignee history
2009Based in Shanghai, CN· patent location history
2017–2020Patents assigned to WUHAN CHANGSHENG MINE SECURITY TECH LIMITED (3)· patent assignee history
2017Based in Hubei, CN· patent location history
2020Patents assigned to UNIV CHINA MINING (2)· patent assignee history
2020Based in Beijing, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
WUHAN CHANGSHENG MINE SECURITY TECH LIMITED32017–2020
UNIV CHINA MINING22020
MCNEIL PPC INC12009
Locations
LocationPatentsSpan
Beijing, CN22020
Hubei, CN12017
Shanghai, CN12009