| # | Country | Total Patents | |
|---|---|---|---|
| #1 | China | 15 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Gearing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wu Zhiqiang | 15 |
| Publication | Filing date | Title |
|---|---|---|
| CN107869564A | A kind of composite box type hydraulic coupler | |
| CN107339394A | A kind of buncher of compound rear auxiliary room prolonged type load limiting type of constant filling fluid coupling | |
| CN107166006A | A kind of buncher of compound double-impeller torque converter | |
| CN107269795A | A kind of buncher of composite constant charge type hydraulic coupler | |
| CN107166004A | A kind of buncher of composite type hydraulic torque converter with external overflow valve |