| # | Country | Total Patents | |
|---|---|---|---|
| #1 | China | 11 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Cycle stands | |
| #2 | Locks |
| # | Name | Total Patents |
|---|---|---|
| #1 | Feng Changming | 5 |
| #2 | Changming Feng | 5 |
| #3 | Feng Zhangming | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CN110871863A | Yu Zhong intelligent lock | |
| CN109519052A | Electromagnet lock | |
| CN105774954A | Novel fork lock | |
| CN104594721A | Pulley lock | |
| CN103850542A | Serial spring-free lock head | |
| CN101660373A | Mechanical key card door lock | |
| CN1137600A | Anti-picking lock for vehicle | |
| CN1108386A | Automatic lever scale | |
| CN1107968A | Counter scale without sliding weight | |
| CN1083922A | Balance without weight | |
| CN1055417A | Gasoline type gas cigarette lighter |