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Inventor

LIWEN GUO

Inventor
CN

Overview

1→
Patents
2024
Patent span
Human necessities
Primary field (CPC A)

Patents· 1 as inventor

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

A62Cprimary
A62CFire-fighting50%
E21FSafety devices, transport, filling-up, rescue, ventilation, or draining in or of mines or tunnels50%
PatentTitleYear
12,098,640Liquid nitrogen direct injection and foaming intelligent filling system based on mine fire area characteristics and application method2024

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2024Patents assigned to UNIV SHANDONG SCIENCE & TECH (1)· patent assignee history
2024Based in CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
UNIV SHANDONG SCIENCE & TECH12024
Locations
LocationPatentsSpan
CN12024