| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 4 | |
| #2 | Italy | 4 | |
| #3 | Spain | 3 | |
| #4 | France | 2 | |
| #5 | United Kingdom | 1 | |
| #6 | Japan | 1 | |
| #7 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Textiles and paper | |
| #2 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Mechanical leather treatments | |
| #2 | Chemical leather treatments |
| # | Name | Total Patents |
|---|---|---|
| #1 | Dose Ludwig | 9 |
| #2 | Dose Werner | 9 |
| #3 | Buerunaa Dooze | 1 |
| #4 | Ruudobuitsuhi Dooze | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE3527989A1 | Moving device, especially mill device, for leather | |
| DE3527314A1 | Device for treating leather or the like in a continuous process | |
| DE3030017A1 | MILL DEVICE FOR LEATHER | |
| DE3029856A1 | DEVICE FOR TANNING, DYING OR THE LIKE |