Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12311338 | Low temperature NOx adsorber with enhanced hydrothermal stability | Xiaoming Xu, Evan Vincent Miu | 2025-05-27 |
| 11890600 | Low temperature NOx adsorber with enhanced regeneration efficiency | Evan Vincent Miu, Xiaoming Xu, Jia Cheng Liu, Stefan Maurer | 2024-02-06 |
| 11648534 | Oxidation catalyst for lean compressed natural gas engine | Olga Gerlach, Emily Schulman, Andreas Sundermann, Stanley A. Roth, Limiao An | 2023-05-16 |
| 11534736 | Platinum-containing catalysts for combustion engines | Stanley A. Roth, Haiyang Zhu | 2022-12-27 |
| 11413607 | Diesel oxidation catalysts for ultralow NOx control | Jia Cheng Liu, Evan Vincent Miu, Xiaoming Xu, Stefan Maurer | 2022-08-16 |
| 11331653 | Combined NOx absorber and SCR catalyst | Joseph A. Patchett | 2022-05-17 |
| 10974198 | Diesel oxidation catalyst comprising platinum group metal nanoparticles | Xiaoming Xu, Stanley A. Roth | 2021-04-13 |
| 10895183 | Ruthenium impregnated ceria catalyst | Olga Gerlach, Andreas Sundermann, Emily Schulman, Stanley A. Roth | 2021-01-19 |
| 10766020 | Platinum-containing catalysts for combustion engines | Stanley A. Roth, Haiyang Zhu | 2020-09-08 |
| 9687818 | Preparation of diesel oxidation catalyst via deposition of colloidal nanoparticles | Attilio Siani, Torsten W. Müller-Stach, Torsten Neubauer | 2017-06-27 |
| 9611774 | Catalyst with improved hydrothermal stability | Wen-Mei Xue, Marcus Hilgendorff, Patrick Burk | 2017-04-04 |
| 9610564 | NOx storage catalyst with improved hydrothermal stability and NOx conversion | Wen-Mei Xue, Marcus Hilgendorff, Patrick Burk | 2017-04-04 |
| 9120077 | Surface-coated zeolite materials for diesel oxidation applications | Stanley A. Roth | 2015-09-01 |
| 9044734 | Diesel oxidation catalyst with layered structure containing ceria composition as palladium support material for enhanced HC and CO gas conversion | Gerd Grubert, Torsten Neubauer, Alfred Punke, Marcus Hilgendorff, Torsten W. Müller-Stach +4 more | 2015-06-02 |
| 8668877 | Diesel oxidation catalyst articles and methods of making and using | Stanley A. Roth | 2014-03-11 |
| 8329607 | Layered diesel oxidation catalyst composites | M. Shahjahan Kazi, Michel Deeba, Torsten Neubauer, Alfred Punke, Torsten Wolfgang Mueller-Stach +6 more | 2012-12-11 |
| 8211392 | Diesel oxidation catalyst composite with layer structure for carbon monoxide and hydrocarbon conversion | Gerd Grubert, Torsten Neubauer, Alfred Punke, Torsten W. Müller-Stach, Attilio Siani +5 more | 2012-07-03 |
| 7976784 | Methods and systems including CO oxidation catalyst with low NO to NO2 conversion | Xinsheng Liu, Pascaline Tran, Gerard D. Lapadula | 2011-07-12 |
| 7922988 | Multilayered catalyst compositions | Michel Deeba, Stephan Siemund, Stefan Kotrel, Knut Wassermann, Glenn Svoboda +1 more | 2011-04-12 |
| 7816295 | Hydrothermally stable Ag-zeolite traps for small olefin hydrocarbon molecules | Xinsheng Liu | 2010-10-19 |
| 7622096 | Multilayered catalyst compositions | Michel Deeba, Knut Wassermann, Glenn Svoboda, Harold Rabinowitz, Stephan Slemund | 2009-11-24 |
| 7419647 | Hydrothermally stable Ag-zeolite traps for small olefin hydrocarbon molecules | Xinsheng Liu | 2008-09-02 |
| 6727202 | Enhanced NOx trap having increased durability | Michel Deeba, Shau-Lin F. Chen, John K. Hochmuth, Patrick Burk | 2004-04-27 |