| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 12 | |
| #2 | Austria | 3 | |
| #3 | Spain | 3 | |
| #4 | Canada | 2 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Furniture and games | |
| #3 | Electrical machinery and energy |
| # | Technology | |
|---|---|---|
| #1 | Domestic stoves | |
| #2 | Kitchen equipment | |
| #3 | Domestic washing | |
| #4 | Electric switches |
| # | Name | Total Patents |
|---|---|---|
| #1 | Paul Spiess | 10 |
| #2 | Spiess Paul | 7 |
| Publication | Filing date | Title |
|---|---|---|
| ES134869A1 | Provision provided with a heat accumulator for cooking, roasting, toasting and the like. | |
| CA365775A | Cooking vessel | |
| CA343539A | Cooking, frying and baking apparatus |