QIHUA FENG
Inventor
Stats
- 0 US patents issued
- 1 US Applications filed
- most recent filing
This is official USPTO record data
Details
- 0 US Patents Issued
- 1 US Applications Filed
- 2 Total Citation Count
- Feb 28, 2017 Most Recent Filing
- Feb 28, 2017 Earliest Filing
Work History
No Work History Available.Inventor Addresses
| Address | Duration |
|---|---|
| Shenzhen, CN | Aug 15, 19 - Oct 26, 21 |
Technology Profile
| Technology | Matters | |
|---|---|---|
| B61B: | RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR | 1 |
| B61F: | RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES, ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING; WHEELS GUARDS; OBSTRUCTION REMOVERS OR THE LIKE | 1 |
Patents / Publication
| Patents / Publication # | Year of Publication / Issued | Title | Citations |
|---|---|---|---|
| 11155282 | 2021 | Bogie frame, bogie assembly and rail vehicle | 1 |
| 2019/0248,385 | 2019 | BOGIE FRAME, BOGIE ASSEMBLY AND RAIL VEHICLE | 1 |
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