Haiyan CHENG
Inventor
Stats
- 0 US patents issued
- 3 US Applications filed
- most recent filing
This is official USPTO record data
Details
- 0 US Patents Issued
- 3 US Applications Filed
- 0 Total Citation Count
- Apr 12, 2024 Most Recent Filing
- Feb 2, 2023 Earliest Filing
Work History
No Work History Available.Inventor Addresses
| Address | Duration |
|---|---|
| Haining, CN | Dec 28, 23 - Dec 28, 23 |
| Huainan, CN | Jul 23, 24 - Feb 20, 25 |
Technology Profile
| Technology | Matters | |
|---|---|---|
| E21C: | MINING OR QUARRYING | 1 |
| G01C: | MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY | 1 |
| H01L: | SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR | 1 |
Patents / Publication
| Patents / Publication # | Year of Publication / Issued | Title | Citations |
|---|---|---|---|
| 2025/0059,889 | 2025 | METHOD FOR SCREENING KEY STRATUM FOR OVERBURDEN SEPARATION GROUTING IN COAL MINE | 0 |
| 12044531 | 2024 | Level instrument and method for surveying mining subsidence zone in coal mining area | 0 |
| 2023/0420,580 | 2023 | SOLAR CELL AND PHOTOVOLTAIC MODULE | 0 |
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