| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Netherlands | 5 | |
| #2 | EPO (European Patent Office) | 4 | |
| #3 | WIPO (World Intellectual Property Organization) | 4 | |
| #4 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Optics | |
| #2 | Electrical machinery and energy | |
| #3 | Mechanical elements | |
| #4 | Machines | |
| #5 | Transport | |
| #6 | Foods and drinks |
| # | Technology | |
|---|---|---|
| #1 | Optical systems | |
| #2 | Installation of electric cables | |
| #3 | Pipes | |
| #4 | Unspecified technologies | |
| #5 | Railway systems | |
| #6 | Fodder |
| # | Name | Total Patents |
|---|---|---|
| #1 | Spijker Johannes Gerhardus | 13 |
| #2 | Nicolai Klaas Alexander | 6 |
| #3 | Spijker Johannes Gerardus | 1 |
| Publication | Filing date | Title |
|---|---|---|
| NL2009654C2 | Glass fibre cable in a pressure sewer. | |
| NL2009655C2 | Glass fibre cable in a pressure sewer. | |
| EP2699954A1 | Optical fiber cable installation in a pressure sewerage | |
| WO2012102611A1 | A pipe travelling apparatus and use thereof | |
| NL2006062C2 | A cable fastening element and use thereof for fastening of a cable into a tube. | |
| NL2006064C2 | A guide member and a method for positioning a cable into a sewerage system. |