Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6093329 | Air scour/backwash apparatus for celless traveling bridge filter | — | 2000-07-25 |
| 5792359 | Sealing shoe for celless travelling bridge filter | — | 1998-08-11 |
| 5759412 | Control method and apparatus for backwash of filter media bed based water volume in filter basin | — | 1998-06-02 |
| 5599459 | Method for sealing a traveling bridge filter backwash shoe | — | 1997-02-04 |
| 5554281 | Traveling bridge filter system and associated underdrain | — | 1996-09-10 |
| 5545334 | Method for sealing a traveling bridge filter backwash shoe | — | 1996-08-13 |
| 5476584 | Backwash/rewash traveling bridge filter and related process | — | 1995-12-19 |
| 5431809 | Apparatus for sealing a traveling bridge filter backwash shoe | — | 1995-07-11 |
| 5401405 | Combined air/water backwash in a travelling bridge filter | — | 1995-03-28 |