| # | Country | Total Patents | |
|---|---|---|---|
| #1 | WIPO (World Intellectual Property Organization) | 4 | |
| #2 | Australia | 1 | |
| #3 | Brazil | 1 | |
| #4 | Canada | 1 | |
| #5 | Chile | 1 | |
| #6 | Colombia | 1 | |
| #7 | EPO (European Patent Office) | 1 | |
| #8 | Republic of Korea | 1 | |
| #9 | Russian Federation | 1 | |
| #10 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Cycles | |
| #2 | Cycle accessories | |
| #3 | Hand carts |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wu Chunhua | 12 |
| #2 | Chunhua Wu | 1 |
| Publication | Filing date | Title |
|---|---|---|
| WO2020210927A1 | Foldable stroller | |
| AU2016388647A1 | Foldable child's tricycle and folding method thereof | |
| WO2016119542A1 | Cloth belt-type backrest adjustment device of child stroller | |
| WO2016101893A1 | Folding device of baby carrier wheel |