Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7820045 | Sludge filter for separating sludge liquids from sludge solids | — | 2010-10-26 |
| 7179377 | Filter for sludge filtration | — | 2007-02-20 |
| 6146528 | Sludge filtration system including selectively slidably removable filter assemblies and method | Paul Kesterton | 2000-11-14 |
| 5858226 | Selectively removable gravitational and vacuum sludge filtration apparatus and method | — | 1999-01-12 |
| 5681460 | Selectively removable sludge filtration system and method | — | 1997-10-28 |
| 5595654 | Sludge filtration system and method | — | 1997-01-21 |