LexDanaLexDanabeta
Inventor

XIAOLI REN

Inventor
CN

Overview

6→
Patents
2025–2026
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 6 as inventor

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

E21Bprimary
E21BEarth or rock drilling23%
E21CMining or quarrying23%
E21DShafts23%
LOC2123%
E21FSafety devices, transport, filling-up, rescue, ventilation, or draining in or of mines or tunnels8%
PatentTitleYear
12,590,540Bolter miner and tunneling system2026D1117537Toy202612,565,837Tunnel tunneling system2026D1112525Toy202612,442,298Bolter miner and tunneling system2025D1077930Educational toy2025

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2025–2026Patents assigned to CCTEG TAIYUAN RES INSTITUTE (3)· patent assignee history
2025–2026Patents assigned to SHANXI TIANDI COAL MINING MACHINERY CO LTD (3)· patent assignee history
2025–2026Patents assigned to YUNHE QIYU TOYS CO LTD (2)· patent assignee history
2025–2026Based in CN· patent location history
2026Patents assigned to REN XIAOLI (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CCTEG TAIYUAN RES INSTITUTE32025–2026
SHANXI TIANDI COAL MINING MACHINERY CO LTD32025–2026
YUNHE QIYU TOYS CO LTD22025–2026
REN XIAOLIself12026
Locations
LocationPatentsSpan
CN62025–2026