| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 4 | |
| #2 | Sweden | 3 | |
| #3 | Spain | 2 | |
| #4 | Austria | 1 | |
| #5 | Australia | 1 | |
| #6 | Canada | 1 | |
| #7 | France | 1 | |
| #8 | Italy | 1 | |
| #9 | Portugal | 1 | |
| #10 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Thermal processes | |
| #3 | Machines | |
| #4 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Air-conditioning | |
| #2 | Pipes | |
| #3 | Nails | |
| #4 | Unspecified technologies | |
| #5 | Office furniture |
| # | Name | Total Patents |
|---|---|---|
| #1 | Smitka Gunter | 9 |
| Publication | Filing date | Title |
|---|---|---|
| EP0069920A2 | Flange for coupling pipe elements of sheet iron | |
| US4123094A | Duct joint assembly |