Issued Patents All Time
Showing 26–50 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6426009 | Travelling screen with travel pause for improved cleaning of screen and method of implementing same | Joseph Karl Brauch | 2002-07-30 |
| 6245243 | Settler plate supports with integral outlets for individual flow channels and methods of collecting liquid from each flow channel | — | 2001-06-12 |
| 6158142 | Method of and apparatus for drying and conveying screenings | Joseph Karl Brauch, Douglas Lee Meurer, James Malcolm Meurer | 2000-12-12 |
| 6129215 | Programmed method of and apparatus for screening debris | Joseph Karl Brauch, Jerry Boyd Francis, Douglas Lee Meurer | 2000-10-10 |
| 6086058 | Method for compound movement of an aeration unit | Joseph Karl Brauch, Douglas Lee Meurer | 2000-07-11 |
| 6016920 | Programmed method of and apparatus for screening debris | Joseph Karl Brauch, Jerry Boyd Francis, Douglas Lee Meurer | 2000-01-25 |
| 6010013 | Universal method of and apparatus for screening debris | Joseph Karl Brauch, Douglas Lee Meurer | 2000-01-04 |
| 5945040 | Apparatus for compound movement of an aeration unit | Joseph Karl Brauch, Douglas Lee Meurer | 1999-08-31 |
| 5914049 | Method and apparatus for helical flow in a header conduit | Joseph Karl Brauch, Ronald Eddie Dollar, Jerry Boyd Francis, Christopher D. Hanson | 1999-06-22 |
| 5804104 | Apparatus for moving an aeration unit | Joseph Karl Brauch, Douglas Lee Meurer | 1998-09-08 |
| 5736037 | Foldable tube settler and method of installing tube settler | — | 1998-04-07 |
| 5655727 | Sludge collector method and drive with shared reel for taking up and paying out cables | Christopher D. Hanson | 1997-08-12 |
| 5468392 | Submerged fixed-film biological waste treatment method and system | Christopher D. Hanson | 1995-11-21 |
| 5391306 | Settler with preset outlet area deck and variable angle removable lamina and method of using settler | — | 1995-02-21 |
| 5378378 | Method of and apparatus for helical inlet flow | — | 1995-01-03 |
| 5217614 | Clarifier with integral trusses | — | 1993-06-08 |
| 5149057 | Tape drive with self-expanding coils for sludge collector | — | 1992-09-22 |
| 5116443 | Clarifier apparatus and methods with 3D arrays | — | 1992-05-26 |
| 4986141 | Tape drive with self-expanding coils for sludge collector | — | 1991-01-22 |
| 4986915 | Tape drive with self-expanding coils for sludge collector | — | 1991-01-22 |
| 4933524 | Clarifier apparatus and methods with 3-D arrays | — | 1990-06-12 |
| 4927537 | Tape drive with self-expanding coils for sludge collector | — | 1990-05-22 |
| 4865753 | Clarifier apparatus and methods having releasably closed flow channels | — | 1989-09-12 |
| D261802 | Tiered circular fluid treatment module | — | 1981-11-10 |
| 4221671 | Upright circular tube settler with stacked tube modules | — | 1980-09-09 |