Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10053384 | System and process for removing nitrogen compounds and odors from wastewater and wastewater treatment system | David O'Keefe, John D. Cox, Daniel T. White | 2018-08-21 |
| 9440870 | System and process for removing nitrogen compounds and odors from wastewater and wastewater treatment system | David O'Keefe, John D. Cox, Daniel T. White | 2016-09-13 |
| 9272931 | System and process for removing nitrogen compounds and odors from wastewater and wastewater treatment system | David O'Keefe, John D. Cox, Daniel T. White | 2016-03-01 |
| 8585892 | System and process for removing nitrogen compounds and odors from wastewater and wastewater treatment system | David O'Keefe, John D. Cox, Daniel T. White | 2013-11-19 |
| 8388833 | System and process for removing nitrogen compounds and odors from wastewater and wastewater treatment system | David O'Keefe, John D. Cox, Daniel T. White | 2013-03-05 |
| 6143187 | Fluidized bed filter for an aquarium | — | 2000-11-07 |
| 5879567 | Method of purifying aquarium water using a pressurized, tank mounted, fluidized bed filter | — | 1999-03-09 |
| 5792368 | Fluidized bed filter | — | 1998-08-11 |