| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 8 | |
| #2 | WIPO (World Intellectual Property Organization) | 2 | |
| #3 | Canada | 1 | |
| #4 | China | 1 | |
| #5 | United Kingdom | 1 | |
| #6 | Norway | 1 | |
| #7 | Russian Federation | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling |
| # | Name | Total Patents |
|---|---|---|
| #1 | Zhao Liang | 14 |
| #2 | Rong Xinqi | 10 |
| #3 | Xinqi Rong | 1 |
| #4 | Liang Zhao | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2020308931A1 | Adaptive Fluid Switches for Autonomous Flow Control | |
| US10060221B1 | Differential pressure switch operated downhole fluid flow control system |