| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 10 | |
| #2 | Germany | 3 | |
| #3 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games | |
| #2 | Consumer goods | |
| #3 | Machine tools | |
| #4 | Textiles and paper |
| # | Technology | |
|---|---|---|
| #1 | Brushes | |
| #2 | Domestic washing | |
| #3 | Handles for hand implements | |
| #4 | Typewriters | |
| #5 | Production of brushes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Walther A-G Buersten-Fabrik | 9 |
| #2 | G Buersten-Fabrik Walther A | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE601559C | Cleaning brush with two movable brush sets, especially for radiators | |
| DE610382C | Carpet sweeper with roller brush, running wheels and dustpan | |
| DE548127C | Swivel handle attachment, especially for scrubbers |