| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 3 | |
| #2 | Australia | 2 | |
| #3 | Belgium | 2 | |
| #4 | German Democratic Republic | 2 | |
| #5 | EPO (European Patent Office) | 2 | |
| #6 | Finland | 2 | |
| #7 | Italy | 2 | |
| #8 | Argentina | 1 | |
| #9 | France | 1 | |
| #10 | Japan | 1 | |
| #11 | Netherlands | 1 | |
| #12 | Norway | 1 | |
| #13 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Foods and drinks | |
| #2 | Furniture and games | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Foods | |
| #2 | Kitchen equipment | |
| #3 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Karlsen Erich | 10 |
| #2 | Zirn Rudolf | 10 |
| #3 | Karlsen E | 2 |
| #4 | Zirn R | 2 |
| #5 | Rudorufu Efu Tsuirun | 1 |
| #6 | Eritsuhi Kaarusen | 1 |
| Publication | Filing date | Title |
|---|---|---|
| AU6390480A | Insulating container for cooking food | |
| FI803109A | Isolerat kaerl foer mattillagning | |
| DE3010176A1 | INSULATING VESSEL FOR BAKING FOOD | |
| DE2942575A1 | NUTRIENT-SAVING AND ENERGY-SAVING PROCESS FOR COOKING FOOD | |
| DE2940346A1 | INSULATING VESSEL FOR COOKING FOOD |