| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 6 | |
| #2 | Switzerland | 3 | |
| #3 | Germany | 2 | |
| #4 | Netherlands | 1 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games | |
| #2 | Packaging and shipping | |
| #3 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Domestic washing | |
| #2 | Handling thin material | |
| #3 | Non-positive-displacement pumps | |
| #4 | Kitchen equipment |
| # | Name | Total Patents |
|---|---|---|
| #1 | Woerwag Eberhard | 2 |
| #2 | Ernst Faber | 2 |
| #3 | Mauz Pfeiffer Firma | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE1282255B | Arrangement of a motor fan unit in a vacuum cleaner housing | |
| DE1282871B | Openable outer cover for paper filter bags |