Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7972503 | Adjustable pin rack systems for cog rake bar screens | Jeffrey R. Blondin | 2011-07-05 |
| 7824549 | High efficiency grit removal system | Robert Slaby, Thomas W. Quimby | 2010-11-02 |
| 7510650 | Perforated plate element screen with sealed element design | Robert Slaby, Nathan L. Panek | 2009-03-31 |
| 7135109 | Filter screen assembly | — | 2006-11-14 |
| 7014754 | Tilt-out frame for a filter screen | — | 2006-03-21 |
| 6997328 | Grit removal assemblies | Robert Slaby | 2006-02-14 |
| 6994785 | Removable grid for filter element screens | — | 2006-02-07 |
| 6942789 | Filter screen assembly | Juan Fernando Segura, Nathan L. Panek, Alan Wallace Steele | 2005-09-13 |
| 6709578 | Tilt-out frame for a filter screen | — | 2004-03-23 |
| 6659113 | Grit washer and bearing assembly therefore | — | 2003-12-09 |
| 6579450 | Non-metallic tooth segment and bar rack design | — | 2003-06-17 |
| 6305555 | Wear shoe for sludge collector | — | 2001-10-23 |
| 6086757 | Guide rollers for cog rake bar screens | — | 2000-07-11 |
| 6019892 | Guide tracking for cog rake bar screens | — | 2000-02-01 |
| 5918730 | Sludge collector chain with snap-lock pins | — | 1999-07-06 |
| 5887982 | Bearing assembly for use with a submerged apparatus and method for performing maintenance thereon | — | 1999-03-30 |
| 5888158 | Sprocket used in wastewater treatment facilities | — | 1999-03-30 |
| 5885458 | Wear strip assembly for use in a waste water treatment facility | John C. Lodholz | 1999-03-23 |
| RE35676 | Sludge collector flight | — | 1997-12-02 |
| 5620601 | Wear strip assembly for use in a waste water treatment facility | John C. Lodholz | 1997-04-15 |
| 5511649 | Sludge collector flight | — | 1996-04-30 |
| 5468391 | Sludge flight support rail assembly | — | 1995-11-21 |
| D309094 | Shaft alignment collar | Raymond N. Donis | 1990-07-10 |