| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 13 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Mechanical elements | |
| #3 | Chemical engineering | |
| #4 | Materials and metallurgy | |
| #5 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Drying solid materials by removing liquid | |
| #2 | Unspecified technologies | |
| #3 | Steam traps | |
| #4 | Unspecified technologies | |
| #5 | Pipes | |
| #6 | Non-metallic elements | |
| #7 | Heat-exchanger without contact |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ellis Hubert C | 12 |
| #2 | Ellis Norman C | 4 |
| Publication | Filing date | Title |
|---|---|---|
| US1567718A | Tilting trap | |
| US1631407A | Tilting trap | |
| US1603526A | Grain drier | |
| US1553523A | Grain-drying apparatus | |
| US1460411A | Tilting trap | |
| US1529994A | Pipe connection | |
| US1492364A | Tilting trap | |
| US1460410A | Condensation trap | |
| US1331983A | Grain-drier | |
| US1355218A | Radiator | |
| US1327863A | Grain-drier | |
| US1289417A | Sulfur-burner. | |
| US1127974A | Grain-drier. |