| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 8 | |
| #2 | German Democratic Republic | 2 | |
| #3 | Spain | 1 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Toys |
| # | Name | Total Patents |
|---|---|---|
| #1 | Biller Hans | 10 |
| #2 | Hellmold Juergen | 2 |
| #3 | Kockelke Werner | 1 |
| #4 | Gruhl Siegbert | 1 |
| #5 | Hoenemann Klaus | 1 |
| #6 | Hecht Klaus | 1 |
| #7 | Franke Fritz | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DD158136A1 | Sound body for cooling term | |
| DD128780A1 | Compound element for heat exchange intermediate in evaporative cooling tubes |