LexDanaLexDanabeta
Inventor

FENGJUAN TAO

Inventor
CN

Overview

2→
Patents
2024
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.

E21Bprimary
E21BEarth or rock drilling33%
E21FSafety devices, transport, filling-up, rescue, ventilation, or draining in or of mines or tunnels33%
G01VGeophysics33%
PatentTitleYear
11,892,577Multi-scale photoacoustic detection method of geological structure around borehole and related devices202411,879,327System and method of transient electromagnetic advanced detection2024

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2024Patents assigned to WUHAN CHANGSHENG MINE SECURITY TECH LIMITED (2)· patent assignee history
2024Patents assigned to CHINA UNIV OF MINING AND AND TECHNOLOGY BEIJING (1)· patent assignee history
2024Patents assigned to INST ROCK & SOIL MECH CAS (1)· patent assignee history
2024Patents assigned to UNIV CHINA MINING (1)· patent assignee history
2024Based in CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
WUHAN CHANGSHENG MINE SECURITY TECH LIMITED22024
CHINA UNIV OF MINING AND AND TECHNOLOGY BEIJING12024
INST ROCK & SOIL MECH CAS12024
UNIV CHINA MINING12024
Locations
LocationPatentsSpan
CN22024