B01D 2255/91
Nox-storage component incorporated in the catalyst
Official title: NOx-storage component incorporated in the catalyst
B01D2255/91 (Nox-storage component incorporated in the catalyst) appears on 424 US grants and 538 published applications in this corpus.
Search patents in B01D- Granted patents
- 424
- Published applications
- 538
- Assignees
- 131
- Inventors
- 893
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 7 | 0 |
| 2000 | 9 | 0 |
| 2001 | 5 | 3 |
| 2002 | 9 | 9 |
| 2003 | 3 | 8 |
| 2004 | 8 | 9 |
| 2005 | 6 | 7 |
| 2006 | 5 | 18 |
| 2007 | 5 | 9 |
| 2008 | 4 | 17 |
| 2009 | 2 | 30 |
| 2010 | 10 | 54 |
| 2011 | 13 | 31 |
| 2012 | 34 | 30 |
| 2013 | 30 | 31 |
| 2014 | 27 | 17 |
| 2015 | 23 | 26 |
| 2016 | 23 | 23 |
| 2017 | 27 | 45 |
| 2018 | 21 | 54 |
| 2019 | 39 | 32 |
| 2020 | 25 | 24 |
| 2021 | 21 | 13 |
| 2022 | 20 | 23 |
| 2023 | 11 | 8 |
| 2024 | 13 | 10 |
| 2025 | 12 | 5 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Exhaust gas purification catalyst device7 Apr 2026US 12,594,525 B2Cataler Corporation
- Adsorbent, its preparation and use3 Feb 2026US 12,539,502 B2City University of Hong Kong
- Catalyst composition comprising magnetic material adapted for inductive heating30 Dec 2025US 12,508,578 B2BASF Mobile Emissions Catalysts LLC
- Diesel oxidation catalyst19 Aug 2025US 12,390,796 B2BASF Mobile Emissions Catalysts LLC
- Systems and methods for operating passive nitrogen oxide adsorbers in exhaust aftertreatment systems22 Jul 2025US 12,366,191 B2Cummins Inc.
- Exhaust Gas Purification Catalyst23 Jul 2026US 2026/0208107 A1Cataler Corporation
- Catalyst for Exhaust Gas Purification9 Apr 2026US 2026/0097363 A1Cataler Corporation
- Exhaust treatment system for ammonia-fueled vehicles23 Oct 2025US 2025/0325943 A1
- Layered and partitioned catalyst article3 Jul 2025US 2025/0214071 A1Dinex A/S
- Exhaust Gas Purification Catalyst19 Jun 2025US 2025/0196108 A1Cataler Corporation
Most cited
By later US patents
- Method for converting exhaust gases from a diesel engine using nitrogen oxide absorbent96US 6,182,443 B2Ford Global Technologies, LLC · 2001
- Thermally regenerable nitric oxide adsorbent90US 8,105,559 B2Johnson Matthey Public Limited Company · 2012
- Exhaust gas purifying device87US 6,370,870 B1Nissan Motor Co., Ltd. · 2002
- No exhaust emission control method and arrangement83US 5,992,142 AVolkswagen Aktiengesellschaft · 1999
- SOx tolerant NOx trap catalysts and methods of making and using the same67US 6,777,370 B2Engelhard Corporation · 2004