| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 2 | |
| #2 | Germany | 2 | |
| #3 | United Kingdom | 2 | |
| #4 | Norway | 2 | |
| #5 | United States | 2 | |
| #6 | Denmark | 1 | |
| #7 | France | 1 | |
| #8 | Italy | 1 | |
| #9 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Measurement | |
| #3 | Machines | |
| #4 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Accessories for machine tools | |
| #3 | Turning | |
| #4 | Analysing materials | |
| #5 | Springs |
| # | Name | Total Patents |
|---|---|---|
| #1 | Rosdal G | 3 |
| #2 | Johansen Randulf Inge | 3 |
| #3 | Andreassen L | 3 |
| #4 | Holmen H | 2 |
| #5 | Andreassen Lauritz | 2 |
| #6 | Roesdal Godthard | 2 |
| #7 | Holmen Hans K | 1 |
| #8 | Johansen Randulf I | 1 |
| #9 | Holmen Hans Kristian | 1 |
| #10 | Johnsen Randulf Inge | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DK141565B | Method and apparatus for determining the strength of concrete in situ. | |
| GB1421032A | Boring bars and the like |