LexDanaLexDanabeta
Inventor

Jiahao XIE

Inventor
CN

Overview

1→
Patents
2025
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 1 as inventor

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

E21Dprimary
E21DShafts50%
E21FSafety devices, transport, filling-up, rescue, ventilation, or draining in or of mines or tunnels50%
PatentTitleYear
12,326,087Fire-prevention and extinguishing material for plugging air leakage in underground barrier pillar of coal mine and use method thereof2025

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2025Patents assigned to UNIV CHINA MINING (1)· patent assignee history
2025Based in CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
UNIV CHINA MINING12025
Locations
LocationPatentsSpan
CN12025