| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 1 | |
| #2 | Brazil | 1 | |
| #3 | Canada | 1 | |
| #4 | Dominican Republic | 1 | |
| #5 | Ecuador | 1 | |
| #6 | Italy | 1 | |
| #7 | Morocco | 1 | |
| #8 | Mexico | 1 | |
| #9 | Peru | 1 | |
| #10 | Russian Federation | 1 | |
| #11 | Tunisia | 1 | |
| #12 | United States | 1 | |
| #13 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Hydraulic engineering |
| # | Name | Total Patents |
|---|---|---|
| #1 | Vriens Wilhelmus Josephus Maria | 8 |
| #2 | Vriens Wilhelmus Josephus Mari | 1 |
| #3 | Vriens Wihelmus Josephus Maria | 1 |
| #4 | Josephus Vriens Wilhelmus Maria | 1 |
| #5 | Scuerto Alberto | 1 |
| #6 | Vrins Vil Khel Mus Josefus Marija | 1 |