| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 4 | |
| #2 | China | 2 | |
| #3 | EAPO (Eurasian Patent Organization) | 2 | |
| #4 | WIPO (World Intellectual Property Organization) | 2 | |
| #5 | Argentina | 1 | |
| #6 | Australia | 1 | |
| #7 | Brazil | 1 | |
| #8 | Canada | 1 | |
| #9 | Egypt | 1 | |
| #10 | Republic of Korea | 1 | |
| #11 | Mexico | 1 | |
| #12 | Malaysia | 1 | |
| #13 | New Zealand | 1 | |
| #14 | Taiwan | 1 | |
| #15 | United States | 1 | |
| #16 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy |
| # | Technology | |
|---|---|---|
| #1 | Casting metal |
| # | Name | Total Patents |
|---|---|---|
| #1 | Verrelle Dominique | 18 |
| #2 | Gauche Albert | 16 |
| #3 | Rose William | 15 |
| #4 | Rose William M | 5 |
| #5 | Dominique Verrelle | 3 |
| #6 | William Rose | 2 |
| #7 | Albert Gauche | 2 |
| #8 | Varrelle Dominique | 1 |
| Publication | Filing date | Title |
|---|---|---|
| EP1707291A1 | A linear sliding gate valve for a metallurgical vessel | |
| EP1671722A1 | A sliding gate valve for a metallurgical vessel |