Issued Patents All Time
Showing 25 most recent of 46 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12383890 | Mixed zeolite-containing SCR catalyst | — | 2025-08-12 |
| 12318762 | Metal oxide-based SCR catalyst composition | Fudong Liu, Shaohua Xie | 2025-06-03 |
| 12163454 | Catalytic washcoat with added alumina for NOx abatement | Wen-Mei Xue, Ivan Petrovic, Jeff Yang, Stanley A. Roth | 2024-12-10 |
| 12134088 | Catalytic composition with added copper trapping component for NOx abatement | — | 2024-11-05 |
| 12071882 | Low temperature NOx reduction using H2-SCR for diesel vehicles | — | 2024-08-27 |
| 12053768 | Advanced NOx reduction catalysts | — | 2024-08-06 |
| 11801491 | Three-way catalyst with reduced palladium loading and method of making the three-way catalyst | Yuntao Gu, Fudong Liu, Wei Li, Shaohua Xie, Xiaolai Zheng | 2023-10-31 |
| 11732625 | Low temperature NOx reduction using H2-SCR for diesel vehicles | — | 2023-08-22 |
| 11713705 | Nitrous oxide removal catalysts for exhaust systems | Xiaolai Zheng, Stanley A. Roth, Olga Gerlach, Andreas Sundermann | 2023-08-01 |
| 11486288 | Catalyzed soot filter with reduced ammonia oxidation | Kevin A. Hallstrom, David M. Youngren | 2022-11-01 |
| 11149610 | Nitrous oxide removal catalysts for exhaust systems | Xiaolai Zheng, Stanley A. Roth, Olga Gerlach, Andreas Sundermann | 2021-10-19 |
| 11117098 | Multifunctional filters for diesel emission control | Stanley A. Roth | 2021-09-14 |
| 10961890 | On-board vehicle ammonia and hydrogen generation | Shiang Sung, Michael LoCascio | 2021-03-30 |
| 10919025 | N2O removal from automotive exhaust for lean/rich systems | Shiang Sung, Stanley Roth, Torsten Neubauer, Susanne Stiebels | 2021-02-16 |
| 10792615 | Catalyzed filters with end coating for lean engine exhaust | Stanley A. Roth | 2020-10-06 |
| 10634030 | Nitrous oxide removal catalysts for exhaust systems | Xiaolai Zheng, Stanley A. Roth, Olga Gerlach, Andreas Sundermann | 2020-04-28 |
| 10493434 | NOx adsorber catalyst, methods and systems | Gerd Grubert, Torsten Neubauer, Alfred Punke, Marcus Hilgendorff | 2019-12-03 |
| 10369548 | Catalyzed soot filter | Gerd Grubert, Alfred Punke, Torsten Neubauer, Marcus Hilgendorff, Chung-Zong Wan +1 more | 2019-08-06 |
| 10260395 | Nitrous oxide removal catalysts for exhaust systems | Xiaolai Zheng, Stanley A. Roth, Olga Gerlach, Andreas Sundermann | 2019-04-16 |
| 10253667 | Exhaust gas treatment system | Xiaofan Yang, Wen-Mei Xue, John K. Hochmuth, Matthew J. Schladt | 2019-04-09 |
| 10215073 | Catalyzed soot filter for use in passive selective catalytic reduction | Alfred Punke, Gerd Grubert, Marcus Hilgendorff, Torsten Neubauer, Matthew Tyler Caudle | 2019-02-26 |
| 10188987 | Multifunctional filters for diesel emission control | Stanley A. Roth | 2019-01-29 |
| 8858904 | Catalyzed soot filter | Alfred Punke, Gerd Grubert, Ruediger Wolff, Stanley Roth, Torsten W. Müller-Stach +3 more | 2014-10-14 |
| 8845974 | Advanced catalyzed soot filters and method of making and using the same | Stanley A. Roth, Alfred Punke, Gary A. Gramiccioni | 2014-09-30 |
| 8679434 | Catalytic articles, systems and methods for the oxidation of nitric oxide | Stanley A. Roth | 2014-03-25 |