| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Sweden | 4 | |
| #2 | Austria | 1 | |
| #3 | Switzerland | 1 | |
| #4 | Germany | 1 | |
| #5 | Denmark | 1 | |
| #6 | United Kingdom | 1 | |
| #7 | Norway | 1 | |
| #8 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Packaging and shipping | |
| #4 | Machine tools | |
| #5 | Agriculture |
| # | Technology | |
|---|---|---|
| #1 | Pipes | |
| #2 | Agricultural harvest processing | |
| #3 | Cutting | |
| #4 | Handling thin material | |
| #5 | Producing goods from plastic | |
| #6 | Shaping of plastics |
| # | Name | Total Patents |
|---|---|---|
| #1 | Roos E | 3 |
| #2 | Roos Erling | 2 |
| #3 | Jansson S A | 1 |
| #4 | Astroem K | 1 |
| #5 | Erling Ross | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB1262733A | Improvements in and relating to pipe couplings |