| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 3 | |
| #2 | Norway | 3 | |
| #3 | WIPO (World Intellectual Property Organization) | 3 | |
| #4 | Canada | 2 | |
| #5 | Austria | 1 | |
| #6 | Finland | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Civil engineering | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Roof coverings | |
| #2 | Analysing materials | |
| #3 | Testing of structures | |
| #4 | Measuring length, angles and areas | |
| #5 | Sewers | |
| #6 | Venting or aerating devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Johnsen Asle Ingmar | 12 |
| Publication | Filing date | Title |
|---|---|---|
| NO20074107L | Device for detection and painting of layer formation around drainage drains | |
| NO20073343L | detector System | |
| ATA901096A | Annex for melting snow or ice, in particular on roofs and in roof tubing or the same |