| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 15 | |
| #2 | Austria | 1 | |
| #3 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Textiles and paper | |
| #2 | Furniture and games | |
| #3 | Consumer goods | |
| #4 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Footwear manufacturing machines | |
| #2 | Sewing | |
| #3 | Footwear features | |
| #4 | Domestic washing | |
| #5 | Gearing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Dreibholz Egon | 4 |
| #2 | Ludwig Walter | 1 |
| #3 | Dreibholz E | 1 |
| #4 | Frowein Werner | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3736611A | Apparatus for pressing treatment of shoe uppers |