| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 12 | |
| #2 | Germany | 2 | |
| #3 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Electrical machinery and energy | |
| #3 | Mechanical elements | |
| #4 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Domestic stoves | |
| #2 | Electric switches | |
| #3 | Venting or aerating devices | |
| #4 | Laundering textiles |
| # | Name | Total Patents |
|---|---|---|
| #1 | Bono-Apparate Ag | 5 |
| #2 | Willy Gradinger | 4 |
| #3 | Luder Franz | 2 |
| #4 | Hunziker Erwin | 2 |
| #5 | Hunziker E | 1 |
| #6 | Luder F | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CH583886A5 | Oven with fan mounted behind shelves - has fan offset from centre, behind perforated sheehssheet with all round circulation | |
| DE2410646A1 | Hot-air circulating roasting, baking and grilling oven - has deflector plate forming top air duct with passages | |
| DE2410645A1 | Roasting, baking and grilling oven with sealed door - has bottom ventilating duct without sealing above condensation collector | |
| CH275771A | Switch on electrically heated washing machines. |