Issued Patents 2019
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10493434 | NOx adsorber catalyst, methods and systems | Gerd Grubert, Alfred Punke, Marcus Hilgendorff, Yuejin Li | 2019-12-03 |
| 10464052 | Oxidation catalyst and method for its preparation | Marcus Hilgendorff, Alfred Punke, Gerd Grubert | 2019-11-05 |
| 10369548 | Catalyzed soot filter | Gerd Grubert, Alfred Punke, Marcus Hilgendorff, Chung-Zong Wan, Yuejin Li +1 more | 2019-08-06 |
| 10226754 | Lean NOx trap with enhanced high and low temperature performance | Gerd Grubert, Alfred Punke, Marcus Hilgendorff, Marko Buchholz, Matthew Tyler Caudle | 2019-03-12 |
| 10215073 | Catalyzed soot filter for use in passive selective catalytic reduction | Alfred Punke, Gerd Grubert, Marcus Hilgendorff, Matthew Tyler Caudle, Yuejin Li | 2019-02-26 |