Inventor
Xiaoze WEN
Inventor
CN
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Cprimary
E21CMining or quarrying33%
E21DShafts22%
E21FSafety devices, transport, filling-up, rescue, ventilation, or draining in or of mines or tunnels22%
E02DFoundations11%
E21BEarth or rock drilling11%
PatentTitleYear
12,571,308Method for recovering residual coal pillars by Freezing water accumulated in room-and-pillar mining area202612,492,634Electric-pulse fracturing device and method for hard roof of coal mine based on self-sealing water bag202511,959,383Method and device for carrying out grouting between adjacent gateroads in internal-staggered split-level coal mining2024Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2024–2026Patents assigned to UNIV TAIYUAN TECHNOLOGY (3)· patent assignee history
2024–2026Based in CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| UNIV TAIYUAN TECHNOLOGY | 3 | 2024–2026 |
Locations
| Location | Patents | Span |
|---|---|---|
| CN | 3 | 2024–2026 |