| # | Country | Total Patents | |
|---|---|---|---|
| #1 | WIPO (World Intellectual Property Organization) | 4 | |
| #2 | United States | 3 | |
| #3 | Australia | 2 | |
| #4 | China | 2 | |
| #5 | Canada | 1 | |
| #6 | EPO (European Patent Office) | 1 | |
| #7 | Republic of Korea | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Environmental technology | |
| #3 | Measurement | |
| #4 | Machines | |
| #5 | Chemical engineering | |
| #6 | Transport |
| # | Name | Total Patents |
|---|---|---|
| #1 | Zhang Chaojiong | 14 |
| Publication | Filing date | Title |
|---|---|---|
| US2020064407A1 | Multi-Chamber, Explosion-Proof, Battery-Testing Apparatus | |
| US2017052217A1 | Electrical contact and testing apparatus | |
| WO2011010984A1 | Contact terminal with self-adjusting contact surface | |
| US2009203253A1 | Contact terminal with self-adjusting contact surface | |
| EP1625632A2 | Dew point humidifier and related gas temperature control | |
| WO2004036666A2 | Rotary voltage equalizer | |
| AU2002330100A1 | Gas humidifier |