Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5104520 | Apparatus and method for separating constituents | Carl P. Maronde | 1992-04-14 |
| H1026 | Rotary bulk solids divider | Carl P. Maronde | 1992-03-03 |
| 5022892 | Fine coal cleaning via the micro-mag process | Mark S. Klima, Carl P. Maronde | 1991-06-11 |
| 5008083 | Apparatus for centrifugal separation of coal particles | William Dickie, Joseph A. Cavallaro | 1991-04-16 |