| # | Country | Total Patents | |
|---|---|---|---|
| #1 | China | 3 | |
| #2 | EPO (European Patent Office) | 3 | |
| #3 | United States | 3 | |
| #4 | EAPO (Eurasian Patent Organization) | 2 | |
| #5 | Hong Kong | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling |
| # | Name | Total Patents |
|---|---|---|
| #1 | Girola Giorgio | 11 |
| #2 | Giorgio Girola G | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CN107208466A | For ensuring the device continuously circulated in drilling well | |
| CN105793517A | Method for drilling a well in continuous circulation and device for intercepting and redistributing fluid used in this method | |
| CN105518247A | Device for ensuring continuous circulation in well drilling |