Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6010012 | Fluidizing detrashing impeller | — | 2000-01-04 |
| 5968353 | Clarifier with sludge dewatering | Richard P. Herbert | 1999-10-19 |
| 5791495 | Paper pulp screen cylinder | Stephen G. W. Munro, Philip H. Goldenberg | 1998-08-11 |
| 5538632 | Multiple filter dynamic washer | Goda Rangamannar, Luigi Silveri | 1996-07-23 |
| 5285560 | Method for repairing a screen plate assembly | Frank Paskowski | 1994-02-15 |
| 5139154 | Wear screen plate and method of manufacture thereof | Frank Paskowski | 1992-08-18 |
| 5041212 | Efficiency screen plate for screening pulp | Frank Paskowski | 1991-08-20 |
| 5041214 | Wave screen plate | Frank Paskowski | 1991-08-20 |
| 5023986 | Method of manufacturing a wave screen plate | Frank Paskowski | 1991-06-18 |
| 4954249 | Wave screen plate | Frank Paskowski | 1990-09-04 |