| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Netherlands | 4 | |
| #2 | Australia | 1 | |
| #3 | Canada | 1 | |
| #4 | China | 1 | |
| #5 | EPO (European Patent Office) | 1 | |
| #6 | Russian Federation | 1 | |
| #7 | United States | 1 | |
| #8 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Pipes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ruissen Johannes | 6 |
| #2 | Hullegien Andreas Hubertus | 6 |
| #3 | Andreas Hubertus Hullegien | 3 |
| #4 | Johannes Ruissen | 2 |
| #5 | Relker Rutger | 1 |
| #6 | Nick Wallenburg | 1 |
| #7 | Rejssen Jokhannes | 1 |
| #8 | Khyullegin Andreas Khyubertus | 1 |
| Publication | Filing date | Title |
|---|---|---|
| NL2019041B1 | Press fitting having a substantially V-shaped spacer ring with contact wall parts at opposing sides of a hollow | |
| NL2015413B1 | Press fitting for pipes having a check ring. | |
| NL2015414B1 | Press fitting for pipes having a helical wound split spacer ring with overlapping windings. | |
| NL2006754C2 | Pipeline components having prefab insertion depth markings. |