| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 3 | |
| #2 | Norway | 2 | |
| #3 | United States | 2 | |
| #4 | Austria | 1 | |
| #5 | Switzerland | 1 | |
| #6 | Germany | 1 | |
| #7 | Finland | 1 | |
| #8 | France | 1 | |
| #9 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Shaping of plastics | |
| #2 | Unspecified technologies | |
| #3 | Preparation of materials | |
| #4 | Certain plastics | |
| #5 | Pipes | |
| #6 | Nails |
| # | Name | Total Patents |
|---|---|---|
| #1 | Parmann Gunnar | 9 |
| Publication | Filing date | Title |
|---|---|---|
| CA1021514A | Heat chamber for bending a pipe | |
| US3884612A | Apparatus for bending thermoplastic pipes |