Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7452511 | Reactor for production of chlorine dioxide, methods of production of same, and related systems and methods of using the reactor | David Francis | 2008-11-18 |
| 7407642 | Chlorine dioxide generation method | Frederick P. Mussari, David Francis | 2008-08-05 |
| 7279099 | Sludge treatment process | Robert Reimers, Frederick P. Mussari | 2007-10-09 |
| 6949196 | Methods and systems for improved dosing of a chemical treatment, such as chlorine dioxide, into a fluid stream, such as a wastewater stream | David Francis | 2005-09-27 |
| 6746715 | Method for creation of a multi-walled liquid storage vessel | James M. Hume | 2004-06-08 |
| 4266329 | Apparatus for positioning out-of-round workpieces particularly piston rings | Otto Feller, Alois Skrobek | 1981-05-12 |