| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Norway | 5 | |
| #2 | Switzerland | 2 | |
| #3 | Canada | 1 | |
| #4 | Denmark | 1 | |
| #5 | Sweden | 1 | |
| #6 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Basic materials chemistry |
| # | Technology | |
|---|---|---|
| #1 | Scaffolding | |
| #2 | Doors and windows | |
| #3 | Phosphatic fertilisers |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lie Egil | 11 |
| #2 | Pettersen Olav | 2 |
| #3 | Cyanamide Company A S North We | 1 |
| #4 | Ltd Nitrogen Products And Carb | 1 |
| #5 | Pettersen Olaf | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DK139583D0 | Frames, isaes for use in the forming and installation of windows or doors in wall and concrete | |
| US1275276A | Process of producing a phosphoric-acid fertilizer containing urea. | |
| CA186792A | Fertilizer |