| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 34 | |
| #2 | Switzerland | 5 | |
| #3 | Denmark | 2 | |
| #4 | Austria | 1 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods | |
| #2 | Computer technology | |
| #3 | Textiles and paper | |
| #4 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Filing and indexing | |
| #2 | Books | |
| #3 | Data recognition and presentation | |
| #4 | Copy machines | |
| #5 | Containers for goods storage |
| # | Name | Total Patents |
|---|---|---|
| #1 | Schmidtmann Walther | 6 |
| #2 | Schmidtmann August | 3 |
| #3 | Aug Schmidtmann Firma | 3 |
| #4 | Aug Schmidtmann Fa | 2 |
| #5 | Limberg Ernst | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE376629C | Loose-leaf book with back parts that can be moved against each other |