| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 8 | |
| #2 | EPO (European Patent Office) | 5 | |
| #3 | France | 1 | |
| #4 | United Kingdom | 1 | |
| #5 | Taiwan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Machines | |
| #3 | Mechanical elements | |
| #4 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Cycles | |
| #2 | Unspecified technologies | |
| #3 | Wheelchairs and sledges | |
| #4 | Physical training equipment | |
| #5 | Nails | |
| #6 | Mechanical control devices | |
| #7 | Springs | |
| #8 | Unspecified technologies | |
| #9 | Gearing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Feng Pin-Chieh | 10 |
| #2 | Chen Tsang-Ying | 4 |
| #3 | Chen Tsang Ying | 1 |
| #4 | Feng Bin-Jie | 1 |
| Publication | Filing date | Title |
|---|---|---|
| EP1243293A2 | Collapsible pogo stick | |
| EP1243809A2 | Self-chargeable pneumatic cylinder | |
| EP1203714A2 | Tricycle | |
| EP1213214A2 | Foldable tricycle | |
| EP1213216A2 | Bending mechanism of rod | |
| US6474900B2 | Fast dismantling device | |
| US6481913B2 | Front tube pressing device of scooter | |
| TW470827B | Pneumatic cylinder | |
| GB0102863D0 | Friction drive for an electric scooter | |
| US6467986B2 | Bending mechanism of rod | |
| US6517093B2 | Foldable tricycle | |
| US6406393B1 | Pressing device of transmission belt of electric cart | |
| US6467781B2 | Tricycle | |
| US6851694B2 | Tricycle |