Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10472301 | Catalytic systems and methods for process stream treatment | Chad L. Felch, Bryan J. Kumfer | 2019-11-12 |
| 10246382 | Catalytic systems and methods for process stream treatment | Chad L. Felch, Bryan J. Kumfer | 2019-04-02 |
| 10189723 | Multi-media stratified filtration | Chad L. Felch, Eric A. Lorge, Shane Wiercinski | 2019-01-29 |
| 9782694 | Composite media for water treatment processes and methods of using same | Chad L. Felch, Shane Wiercinski, Eric A. Lorge | 2017-10-10 |
| 9580335 | Water treatment apparatus incorporating walnut shell filter media and a draft tube system | Chad L. Felch, Michael Howdeshell, Stuart J. Munson, Eric A. Lorge, Bryan J. Kumfer | 2017-02-28 |
| 8828351 | H2S conversion to sulfur using a regenerated iodine solution | Chad L. Felch, Bryan J. Kumfer, Timothy Schleusner, Richard Kerr | 2014-09-09 |
| 8753524 | Composite media for water treatment processes and methods of using same | Chad L. Felch, Shane Wiercinski | 2014-06-17 |
| 8747667 | Water filter apparatus incorporating walnut shell filter media and a draft tube system | Chad L. Felch, Michael Howdeshell, Eric A. Lorge, Bryan J. Kumfer, Stuart J. Munson | 2014-06-10 |
| 8551341 | Suspended media membrane biological reactor system including suspension system and multiple biological reactor zones | William G. Conner, Mohammed A. AL-HAJRI, Thomas E. Schultz, Michael Howdeshell, Chad L. Felch +2 more | 2013-10-08 |
| 8501149 | H2S conversion to sulfur using a regenerated iodine solution | Chad L. Felch, Bryan J. Kumfer, Timothy Schleusner, Richard Kerr | 2013-08-06 |