LexDanaLexDanabeta
Inventor

Yunxiang ZHOU

Inventor
CN

Overview

1→
Patents
2021
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
E21DShafts25%
E21FSafety devices, transport, filling-up, rescue, ventilation, or draining in or of mines or tunnels25%
G01NInvestigating or analysing materials by determining their chemical or physical properties25%
G01SRadio direction-finding25%
PatentTitleYear
11,181,633Loaded-to-frame detection equipment and method for backfill grouting of shield tunnel2021

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2021Patents assigned to UNIV TONGJI (1)· patent assignee history
2021Based in CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
UNIV TONGJI12021
Locations
LocationPatentsSpan
CN12021