| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 9 | |
| #2 | Canada | 2 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Materials and metallurgy | |
| #3 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Furnaces | |
| #2 | Cremation furnaces | |
| #3 | Metal production and refining |
| # | Name | Total Patents |
|---|---|---|
| #1 | Stehli Henry J | 11 |
| #2 | Warde Lloyd Stella | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2190493A | Sintering apparatus | |
| US2026366A | Method of treating wet sewage sludge | |
| US2102427A | Method of treating waste wet organic material | |
| US1862832A | Sintering machine | |
| US1885152A | Pallet for sintering machines | |
| US1888296A | Sintering machine pallet | |
| US1661813A | Process of sintering zinc ores | |
| US1673891A | Method of preparing flotation concentrates | |
| US1491778A | Sintering machine | |
| CA287658A | Sintering method | |
| CA287657A | Flotation concentrate processing |