Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6884353 | Apparatus for aeration without significant agitation to deplete and biodegrade sludge | Jerard B. Hoage | 2005-04-26 |
| 6461500 | Apparatus for aeration without significant agitation to deplete and biodegrade sludge | Jerard B. Hoage | 2002-10-08 |
| 6245237 | Method for vacuum aeration of septic tanks to provide low pressure microbubbles | Ronald S. Blough, Jerard B. Hoage | 2001-06-12 |
| 5951867 | Method for vacuum aeration of septic tanks to provide low pressure microbubbles | Ronald S. Blough, Jerard B. Hoage | 1999-09-14 |