Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6249988 | Particulate drying system | Ernest W. Schmidt | 2001-06-26 |
| 5746006 | Single pass rotary dryer | Robert T. Hogue, Kenneth J. Koeslin | 1998-05-05 |
| 5525239 | Method for completing the transformation of waste water sludge into spreadable fertilizer and product thereby | — | 1996-06-11 |
| 4558525 | Dehydration equipment | Lowell C. Frank | 1985-12-17 |
| 4357152 | Fluid borne particulate separator | Lowell C. Frank | 1982-11-02 |
| 4244716 | Skimmer apparatus for centrifugal separators | — | 1981-01-13 |