Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 8137568 | Rotary drum vacuum filter | Paul Norman Rouillard, Jean Paul Haramboure | 2012-03-20 | |
| 6339859 | Control system for a filtrate splitting device | Lewis D. Shackford | 2002-01-22 | |
| 5242590 | Lightweight, anti-rewet, modular style disc sector | William Frederick Thomson, Alfred F. Blichmann | 1993-09-07 | $15,110,000 |