| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 10 | |
| #2 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines | |
| #3 | Furniture and games | |
| #4 | Basic materials chemistry |
| # | Technology | |
|---|---|---|
| #1 | Presses | |
| #2 | Kitchen equipment | |
| #3 | Unspecified technologies | |
| #4 | Refining |
| # | Name | Total Patents |
|---|---|---|
| #1 | Upton Charles B | 11 |
| Publication | Filing date | Title |
|---|---|---|
| US2369192A | Liquid expressing press | |
| US2262566A | Construction of expressing presses | |
| US2138670A | Press cage construction | |
| US2118992A | Press cage | |
| US2154965A | Foots-removing means for expressing presses | |
| US2075070A | Apparatus for rendering and refining fats | |
| US1942624A | Cooker | |
| US2027131A | Cooker | |
| US1916347A | Press cage | |
| US1503673A | Drainage plate for expressing presses | |
| CA355866A | Fat rendering apparatus |