| # | Country | Total Patents | |
|---|---|---|---|
| #1 | WIPO (World Intellectual Property Organization) | 8 | |
| #2 | Australia | 7 | |
| #3 | Japan | 2 | |
| #4 | Canada | 1 | |
| #5 | EPO (European Patent Office) | 1 | |
| #6 | United Kingdom | 1 | |
| #7 | Russian Federation | 1 | |
| #8 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Hand carts | |
| #2 | Cycles |
| # | Name | Total Patents |
|---|---|---|
| #1 | Song Zhenghuan | 17 |
| #2 | He Xinjun | 3 |
| #3 | Shen Haidong | 2 |
| #4 | Zhong Youming | 2 |
| #5 | Gao Xiang | 1 |
| #6 | Song Zhengkhuan | 1 |
| Publication | Filing date | Title |
|---|---|---|
| WO0220330A1 | Three-wheeled stroller | |
| WO02060748A1 | Bicycle's trailer | |
| AU6726501A | Baby carrier with abreast seats | |
| WO0179051A1 | Baby carrier | |
| US6712382B2 | Baby carrier | |
| WO0037297A1 | A stroller | |
| AU8797498A | Coupling means between front legs and push-rods of an umbrella-handle perambulator | |
| WO9747508A1 | A rotatable means for a preambulator's handle assembly | |
| RU2159719C2 | Children's cycle |