| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 16 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games | |
| #2 | Consumer goods | |
| #3 | Thermal processes | |
| #4 | Packaging and shipping | |
| #5 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Laundering textiles | |
| #2 | Fluid heaters | |
| #3 | Kitchen equipment | |
| #4 | Domestic washing | |
| #5 | Venting or aerating devices | |
| #6 | Containers for goods storage |
| # | Name | Total Patents |
|---|---|---|
| #1 | Merker Ag | 8 |
| #2 | Sigmund Angst | 4 |
| #3 | Karoly Panyoczki | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CH353322A | Drum washing machine | |
| CH351936A | Drum washing machine with closable overflow opening on the container | |
| CH346202A | Automatically controlled washing machine | |
| CH285067A | Drainage and overflow device on multi-part liquid containers. |