| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 5 | |
| #2 | United States | 5 | |
| #3 | France | 4 | |
| #4 | United Kingdom | 4 | |
| #5 | Switzerland | 2 | |
| #6 | Belgium | 1 | |
| #7 | Germany | 1 | |
| #8 | Denmark | 1 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games | |
| #2 | Basic materials chemistry | |
| #3 | Foods and drinks | |
| #4 | Measurement | |
| #5 | Medical technology | |
| #6 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Kitchen equipment | |
| #2 | Fuels | |
| #3 | Foods | |
| #4 | Measuring force, work and fluid pressure | |
| #5 | Unspecified technologies | |
| #6 | Object sterilising |
| # | Name | Total Patents |
|---|---|---|
| #1 | Vischer Jr Alfred | 5 |
| #2 | Vischer Alfred Jr | 4 |
| #3 | Churley George | 3 |
| #4 | Products Company Vischer | 1 |
| #5 | George Churley | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB937850A | Improvements in or relating to the cooking of food | |
| US2828045A | Closure and method of making same | |
| GB595183A | Sterilizers | |
| US2373620A | Pressure cooker | |
| GB528891A | Improvements in pressure relief devices | |
| GB521673A | Improvements in pressure cookers and other containers and enclosures or covers therefor | |
| US2282011A | Pressure cooker and similar container | |
| US2252874A | Pressure indicator | |
| US2301724A | Pressure relief device | |
| CA393257A | Pressure cooker | |
| CA399874A | Pressure relief device | |
| CA687231A | Steam pressure cooker | |
| CA442986A | Pressure container and closure |