| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 27 | |
| #2 | Austria | 8 | |
| #3 | Spain | 3 | |
| #4 | Denmark | 2 | |
| #5 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods | |
| #2 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Laundering textiles | |
| #2 | Water-closets with flushing devices | |
| #3 | Fire-fighting |
| # | Name | Total Patents |
|---|---|---|
| #1 | Friedrich Emil Krauss | 27 |
| #2 | Krauss Friedrich Emil | 11 |
| #3 | Wilhelm Graaff | 2 |
| #4 | Clemens Graaff | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CH174611A | Method for washing laundry and washing machine with a drum rotatable about a vertical axis for carrying out the same. | |
| CA327186A | Centrifugal machine |