Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4640464 | Roller mill control system | Mark Dunn | 1987-02-03 |
| 4493269 | Direct pulverized fuel fired system | Norichika Kai | 1985-01-15 |
| 4478157 | Mill recirculation system | — | 1984-10-23 |
| 4464999 | Direct pulverized fuel fired system | Norichika Kai | 1984-08-14 |
| 4454825 | Mill recirculation system | — | 1984-06-19 |
| 4274601 | Imp mill having adjustment means | — | 1981-06-23 |
| 4257761 | Multiple jet coal burner | — | 1981-03-24 |
| 4206555 | Venturi dispersing feeder | — | 1980-06-10 |