| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 22 | |
| #2 | Canada | 4 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Agriculture | |
| #3 | Machines | |
| #4 | Foods and drinks | |
| #5 | Basic materials chemistry | |
| #6 | Thermal processes | |
| #7 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Drying solid materials by removing liquid | |
| #2 | Animal care | |
| #3 | Milling | |
| #4 | Treating harvested food | |
| #5 | Food preservation | |
| #6 | Casings for combustion chambers | |
| #7 | Harvesting | |
| #8 | Railway bodies | |
| #9 | Separating solids | |
| #10 | Organic fertilisers |
| # | Name | Total Patents |
|---|---|---|
| #1 | Randolph Oliver W | 26 |
| Publication | Filing date | Title |
|---|---|---|
| US2446952A | Fruit and vegetable comminutor and drier | |
| US2312478A | Material subdividing installation | |
| US2289727A | Feed mill and method of preparing animal fodder | |
| US2226741A | Hammer mill | |
| US2205175A | Transit treating of material | |
| US2100150A | Dehydrator | |
| US2087781A | Plant food manufacture | |
| US1881063A | Multiple tray drier | |
| US1881062A | Descending tray drier | |
| US1763538A | Sterilizer | |
| US1685339A | Furnace | |
| US1685338A | Drying | |
| US1623553A | Coal drying | |
| CA192192A | Heater for grain driers | |
| CA194606A | Grain drying and salvaging railway car | |
| US1346335A | Grain-drier | |
| CA187499A | Grain drier | |
| US1262842A | Grain drying and salvaging railway-car. | |
| US1262841A | Heater for grain-driers. | |
| US1276812A | Grain and seed drier. |