B01D 2255/911
Nh3-storage component incorporated in the catalyst
Official title: NH3-storage component incorporated in the catalyst
B01D2255/911 (Nh3-storage component incorporated in the catalyst) appears on 112 US grants and 136 published applications in this corpus.
Search patents in B01D- Granted patents
- 112
- Published applications
- 136
- Assignees
- 56
- Inventors
- 352
- Latest grant
- 12 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 5 |
| 2007 | 4 | 7 |
| 2008 | 1 | 2 |
| 2009 | 1 | 2 |
| 2010 | 5 | 8 |
| 2011 | 1 | 7 |
| 2012 | 5 | 7 |
| 2013 | 8 | 4 |
| 2014 | 4 | 5 |
| 2015 | 3 | 9 |
| 2016 | 7 | 13 |
| 2017 | 9 | 12 |
| 2018 | 8 | 11 |
| 2019 | 17 | 6 |
| 2020 | 8 | 6 |
| 2021 | 6 | 5 |
| 2022 | 4 | 5 |
| 2023 | 3 | 7 |
| 2024 | 8 | 4 |
| 2025 | 3 | 5 |
| 2026 | 0 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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- Systems and methods for managing ammonia slip in an aftertreatment system5 Mar 2026US 2026/0063060 A1Cummins Inc.
- Selective catalytic reduction system for exhaust gas treatment, and exhaust gas purification apparatus for lean combustion engines comprising selective catalytic reduction system for exhaust gas treatment22 Jan 2026US 2026/0021449 A1N. E. Chemcat Corporation
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Most cited
By later US patents
- Method and device for purifying exhaust gas of an engine75US 6,345,496 B1Toyota Jidosha Kabushiki Kaisha · 2002
- Hybrid catalyst system for exhaust emissions reduction60US 7,213,395 B2Eaton Corporation · 2007
- Process and apparatus for reducing nitrogen-oxide emissions in exhaust gas49US 6,176,079 B1DaimlerChrysler AG · 2001
- Valveless dual leg exhaust aftertreatment system44US 7,334,400 B2Eaton Corporation · 2008
- Hybrid catalyst system for exhaust emissions reduction43US 7,650,746 B2Eaton Corporation · 2010