| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 4 | |
| #2 | Netherlands | 2 | |
| #3 | United States | 2 | |
| #4 | WIPO (World Intellectual Property Organization) | 2 | |
| #5 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Pipes | |
| #2 | Nails | |
| #3 | Unspecified technologies | |
| #4 | Certain plastics | |
| #5 | Shaping of plastics |
| # | Name | Total Patents |
|---|---|---|
| #1 | Van Walraven Jan | 9 |
| #2 | Walraven Jan Van | 2 |
| Publication | Filing date | Title |
|---|---|---|
| NL1033834C2 | Pipe bracket. | |
| EP1229282A2 | Adaptor for the mounting of clamping collar | |
| NL1019891C2 | Attachment of an object, such as a pipe clip. | |
| EP1319145A1 | Hook closure and pipe clip with such a hook closure |