| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 11 | |
| #2 | France | 1 | |
| #3 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods | |
| #2 | Furniture and games | |
| #3 | Electrical machinery and energy | |
| #4 | Foods and drinks | |
| #5 | Machine tools | |
| #6 | Transport | |
| #7 | Agriculture |
| # | Technology | |
|---|---|---|
| #1 | Laundering textiles | |
| #2 | Physical training equipment | |
| #3 | Slaughtering | |
| #4 | Lighting device details | |
| #5 | Hand-held cutting tools | |
| #6 | Animal care | |
| #7 | Domestic washing | |
| #8 | Vehicle tyre repairing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Schwamm Karl | 3 |
| #2 | Graap Fritz | 3 |
| #3 | Paul Neumann | 1 |
| #4 | Krischer Fritz | 1 |
| #5 | Neumann Paul | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE689559C | especial from washing machines | |
| DE742794C | Double drum washing machine | |
| DE697213C | Drum washing machine | |
| DE657720C | Method and device for the preparation of washing solution for washing machines | |
| US2028913A | Aquarium | |
| DE507410C | Dry air cleaning device for machines for drying laundry u. like |