Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11198094 | Non-PGM ammonia slip catalyst | Paul Joseph Andersen | 2021-12-14 |
| 10961871 | Method of extending the useful life of an aged SCR catalyst bed in an exhaust system of a stationary source of NOX | Paul Joseph Andersen, Cindy Khalaf, David Repp, Thomas Yeh | 2021-03-30 |