Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12372020 | Preparation of SCR catalyst comprising Cu and Fe-exchanged zeolite, said catalyst, system comprising said catalyst and exhaust gas treatment using such | Jeff Yang, Stanley A. Roth | 2025-07-29 |
| 12163454 | Catalytic washcoat with added alumina for NOx abatement | Ivan Petrovic, Jeff Yang, Stanley A. Roth, Yuejin Li | 2024-12-10 |
| 11845067 | Copper CHA zeolite catalysts | Ivor Bull, Patrick Burk, R. Samuel Boorse, William M. Jaglowski, Gerald Stephen Koermer +4 more | 2023-12-19 |
| 11724248 | Selective catalytic reduction articles and systems | Xiaofan Yang, Haiyang Zhu, Stanley A. Roth, Jeff Yang, Subramanian Prasad +1 more | 2023-08-15 |
| 11660586 | In-situ copper ion-exchange on pre-exchanged copper zeolitic material | Matthias Peter, Karifala Dumbuya, Miriam Schubert, Ahmad Moini, Yu Dai +5 more | 2023-05-30 |
| 11529619 | Copper CHA zeolite catalysts | Ivor Bull, Patrick Burk, R. Samuel Boorse, William M. Jaglowski, Gerald Stephen Koermer +4 more | 2022-12-20 |
| 11473471 | Exhaust gas treatment system | John K. Hochmuth | 2022-10-18 |
| 11448110 | Selective catalytic reduction articles and systems | Jeff Yang, Stanley A. Roth, Kenneth E. Voss, Sandip D. Shah, Jaya L. Mohanan | 2022-09-20 |
| 11344868 | Selective catalytic reduction articles and systems | Jeff Yang, Stanley A. Roth, Kenneth E. Voss, Qi Fu, Subramanian Prasad +3 more | 2022-05-31 |
| 11260372 | Catalyst system for lean gasoline direct injection engines | Attilio Siani, John K. Hochmuth | 2022-03-01 |
| 10850265 | Molecular sieve catalyst compositions, catalytic composites, systems, and methods | Xiaofan Yang, John K. Hochmuth, Xiaoming Wang, Matthew Tyler Caudle, Ahmad Moini +3 more | 2020-12-01 |
| 10654031 | Copper CHA zeolite catalysts | Ivor Bull, Patrick Burk, R. Samuel Boorse, William M. Jaglowski, Gerald Stephen Koermer +4 more | 2020-05-19 |
| 10450918 | Exhaust gas treatment system | John K. Hochmuth | 2019-10-22 |
| 10253667 | Exhaust gas treatment system | Xiaofan Yang, John K. Hochmuth, Matthew J. Schladt, Yuejin Li | 2019-04-09 |
| 9981258 | Integrated LNT-TWC catalyst | Attilio Siani, John K. Hochmuth, Markus Kinne, Stefan Kielbassa | 2018-05-29 |
| 9931596 | Emissions treatment systems with TWC catalysts and SCR-HCT catalysts | Xiaolai Zheng, Chunxin Ji, Matthew J. Schladt, Xiaoming Wang, Tian Luo +2 more | 2018-04-03 |
| 9839905 | Copper CHA zeolite catalysts | Ivor Bull, Patrick Burk, R. Samuel Boorse, William M. Jaglowski, Gerald Stephen Koermer +4 more | 2017-12-12 |
| 9744529 | Integrated LNT-TWC catalyst | Attilio Siani, John K. Hochmuth, Markus Kinne, Stefan Kielbassa | 2017-08-29 |
| 9656254 | Copper CHA zeolite catalysts | Ivor Bull, Patrick Burk, R. Samuel Boorse, William M. Jaglowski, Gerald Stephen Koermer +4 more | 2017-05-23 |
| 9610564 | NOx storage catalyst with improved hydrothermal stability and NOx conversion | Xinyi Wei, Marcus Hilgendorff, Patrick Burk | 2017-04-04 |
| 9611774 | Catalyst with improved hydrothermal stability | Xinyi Wei, Marcus Hilgendorff, Patrick Burk | 2017-04-04 |
| 9533295 | Pt-Pd diesel oxidation catalyst with CO/HC light-off and HC storage function | Torsten W. Müller-Stach, Alfred Punke, Gerd Grubert, Marcus Hilgendorff, Helke Doering +4 more | 2017-01-03 |
| 9162218 | Copper CHA zeolite catalysts | Ivor Bull, Patrick Burk, R. Samuel Boorse, William M. Jaglowski, Gerald Stephen Koermer +4 more | 2015-10-20 |
| 9138732 | Copper CHA zeolite catalysts | Ivor Bull, Patrick Burk, R. Samuel Boorse, William M. Jaglowski, Gerald Stephen Koermer +4 more | 2015-09-22 |
| 8906330 | Lean HC conversion of TWC for lean burn gasoline engines | Marcus Hilgendorff, Cesar Tolentino | 2014-12-09 |