Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6773595 | Compartmentalized facultative lagoon and method of creating and maintaining such a lagoon | — | 2004-08-10 |
| 6514410 | Odor control apparatus for facultative lagoon | — | 2003-02-04 |
| 6103123 | Aeration device and method for creating and maintaining facultative lagoon | — | 2000-08-15 |
| 5674433 | High efficiency microbubble aeration | Michael J. Semmens, Michael J. Bonnette | 1997-10-07 |
| 5406995 | Container assembly for mixing liquids in predetermined ratios | — | 1995-04-18 |
| 5085127 | Cavitation resistant hydraulic cylinder block porting faces | — | 1992-02-04 |
| 5064456 | Liquid vapor purging system | — | 1991-11-12 |
| 4913695 | Liquid vapor purging system | — | 1990-04-03 |