| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 2 | |
| #2 | France | 2 | |
| #3 | United Kingdom | 2 | |
| #4 | United States | 2 | |
| #5 | Australia | 1 | |
| #6 | Canada | 1 | |
| #7 | Denmark | 1 | |
| #8 | Italy | 1 | |
| #9 | Norway | 1 | |
| #10 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Doors and windows | |
| #2 | Drying solid materials by removing liquid |
| # | Name | Total Patents |
|---|---|---|
| #1 | Loevgren Anders | 7 |
| #2 | Lovgren Anders | 3 |
| #3 | Lovgren B A | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4194549A | Upwardly openable door | |
| US3896558A | Method of controlling drying of timber in a closed room | |
| DK148604B | Removal gate, preliminary for industrial buildings |