| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 2 | |
| #2 | EPO (European Patent Office) | 2 | |
| #3 | Finland | 2 | |
| #4 | Denmark | 1 | |
| #5 | United Kingdom | 1 | |
| #6 | Norway | 1 | |
| #7 | Sweden | 1 | |
| #8 | United States | 1 | |
| #9 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Hydraulic engineering | |
| #2 | Finishing work on buildings | |
| #3 | Foundations and excavations | |
| #4 | Vehicle connections | |
| #5 | Hand carts |
| # | Name | Total Patents |
|---|---|---|
| #1 | Bergsland Jon | 11 |
| Publication | Filing date | Title |
|---|---|---|
| CA1186470A | Protective sheet, in particular for a foundation wall or a floor on the ground | |
| WO8203099A1 | A protective sheet,in particular for a foundation wall or a floor on the ground | |
| CA1183696A | Arrangement relating to a drainage pipe | |
| GB2076927A | An arrangement relating to a drainage pipe | |
| US3705730A | Coasting device |