| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 8 | |
| #2 | United Kingdom | 4 | |
| #3 | United States | 4 | |
| #4 | Brazil | 1 | |
| #5 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games | |
| #2 | Medical technology | |
| #3 | Machine tools | |
| #4 | Machines | |
| #5 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Kitchen equipment | |
| #2 | Veterinary instruments or methods | |
| #3 | Burners | |
| #4 | Grinding or polishing devices | |
| #5 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Keller Max | 6 |
| #2 | Max Keller | 3 |
| #3 | Kuhn Jacques R | 2 |
| #4 | Kuhn Jacques | 1 |
| Publication | Filing date | Title |
|---|---|---|
| BR9104731A | Food support in gomes to be flambed dependured on arm on tray with bottle receptacles with food accompanying | |
| US2948431A | Pressure cookers | |
| GB857617A | Improvements in pressure cookers | |
| GB708197A | Improvements in pressure cookers | |
| US2660330A | Pressure cooker | |
| US2608318A | Pressure cooker | |
| GB669935A | Improvements in pressure cookers | |
| US2631607A | Pressure-relief valve for pressure cooking vessels | |
| GB650708A | Improvements relating to pressure-relief valves for pressure cooking vessels or the like | |
| CA633876A | Pressure cookers |