Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11859813 | Pulverized solid fuel nozzle tip assembly with low contact frame | John Childs Lewis, Kevin T. Grzebien | 2024-01-02 |
| 9388982 | Flow deflectors for fuel nozzles | Todd D. Hellewell, Wendell H. Mills | 2016-07-12 |
| 8701572 | Low NOx nozzle tip for a pulverized solid fuel furnace | Todd D. Hellewell, Robert Drennan Lewis, Galen H. Richards, David P. Towle | 2014-04-22 |
| 5626085 | Control of staged combustion, low NO.sub.x firing systems with single or multiple levels of overfire air | Todd D. Hellewell, Paul D. Kuczma, Jonathan S. Simon | 1997-05-06 |