| # | Industry | |
|---|---|---|
| #1 | Foods and drinks | |
| #2 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Cocoa and sweets | |
| #2 | Mixing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Vogt Clarence W | 7 |
| #2 | Miller Bruce Dehaven | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA299408A | Machine for freezing ice cream | |
| CA296940A | Freezing machine | |
| CA301038A | Apparatus for freezing ice cream | |
| CA302380A | Plasticity control method and apparatus | |
| CA301037A | Apparatus for manufacturing ice cream | |
| CA310469A | Refrigerating apparatus | |
| CA296939A | Freezing process |