| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 2 | |
| #2 | Canada | 2 | |
| #3 | Switzerland | 2 | |
| #4 | Czechoslovakia | 2 | |
| #5 | France | 2 | |
| #6 | United Kingdom | 2 | |
| #7 | Japan | 2 | |
| #8 | United States | 2 | |
| #9 | Brazil | 1 | |
| #10 | Germany | 1 | |
| #11 | Egypt | 1 | |
| #12 | Greece | 1 | |
| #13 | Italy | 1 | |
| #14 | Poland | 1 | |
| #15 | Turkey | 1 |
| # | Industry | |
|---|---|---|
| #1 | Textiles and paper |
| # | Technology | |
|---|---|---|
| #1 | Yarns and threads |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hamel Edmund | 6 |
| #2 | Edomunto Haameru | 2 |
| #3 | Hamel E | 1 |
| Publication | Filing date | Title |
|---|---|---|
| ATA44877A | Method for producing a core yarn | |
| US4070818A | Method of making a core yarn | |
| GB1486958A | Production of core yarn |