| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Denmark | 3 | |
| #2 | Norway | 3 | |
| #3 | Germany | 2 | |
| #4 | Sweden | 2 | |
| #5 | Canada | 1 | |
| #6 | Switzerland | 1 | |
| #7 | Finland | 1 | |
| #8 | United Kingdom | 1 | |
| #9 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Agriculture | |
| #2 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Harvesting | |
| #2 | Street cleaning |
| # | Name | Total Patents |
|---|---|---|
| #1 | Eng K | 8 |
| #2 | Knut Eng | 3 |
| #3 | Eng Knut | 1 |
| #4 | Atle Torkildsen | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB1156295A | Improvements in Lawnmowers | |
| US3095660A | Snow disintegrating and blowing device | |
| CA684466A | Snow disintegrating and blowing device |