Inventor
Yifan ZENG
Inventor
CN
Overview
Patents· 17 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling29%
E21FSafety devices, transport, filling-up, rescue, ventilation, or draining in or of mines or tunnels20%
E21CMining or quarrying9%
G01VGeophysics7%
E02DFoundations4%
E21DShafts4%
C01FCompounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium, or of the rare-earth metals2%
C02FTreatment of water, waste water, sewage, or sludge2%
C04BLime, magnesia2%
C12MApparatus for enzymology or microbiology2%
PatentTitleYear
12,503,371Method for strengthening biological manganese oxidation using magnetic field and use thereof202512,416,237Methods for grout injection repair and water retention in goaf202512,338,721Coal mining system and method of dual circulation drilling with mechanical reaming and abrasive jet202512,312,958Method of segmented grouting for repairing aquifers in mining area202512,287,445Coal rock interface directional detection device and method based on elastic waves202512,241,371Integrated mining method of coal breaking, coal extraction and water circulation in U-well and system thereof202512,241,340Coal and coalbed methane mining system based on ground drilling, method and related device202512,196,076Grouting and water blocking method for directional hole with large offset in hard rock stratum202512,140,025Directional drilling method for branching borehole with short radius and system202412,129,620Method for repairing aquifer in coal mine area202412,091,971Tracer diffusion device, system for tracing development of water conducting fracture zone and relataed method202412,091,972Method and device for determining development status of separation layer of coal mine202412,055,040Directional drilling device and drilling method of aquifer remediation of coal seam roof202411,879,327System and method of transient electromagnetic advanced detection202411,781,429Method for blocking mine water inrush202311,459,849Filling bag and sealing method for drilled hole for detection in three zones of overburden202211,365,624System and method for monitoring water inrush2022Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022–2025Patents assigned to UNIV CHINA MINING (16)· patent assignee history
2022–2024Patents assigned to WUHAN CHANGSHENG MINE SECURITY TECH LIMITED (2)· patent assignee history
2022Patents assigned to SHAANXI COAL CAOJIATAN MINING CO LTD (1)· patent assignee history
2022–2025Based in CN· patent location history
2024Patents assigned to CHINA UNIV OF MINING AND AND TECHNOLOGY BEIJING (1)· patent assignee history
2024Patents assigned to CHINA UNIVERISTY OF MINING AND TECH BEIJING (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| UNIV CHINA MINING | 16 | 2022–2025 |
| WUHAN CHANGSHENG MINE SECURITY TECH LIMITED | 2 | 2022–2024 |
| CHINA UNIV OF MINING AND AND TECHNOLOGY BEIJING | 1 | 2024 |
| CHINA UNIVERISTY OF MINING AND TECH BEIJING | 1 | 2024 |
| SHAANXI COAL CAOJIATAN MINING CO LTD | 1 | 2022 |
Locations
| Location | Patents | Span |
|---|---|---|
| CN | 17 | 2022–2025 |