F02D 41/028
Desulfurisation of nox traps or adsorbent
Official title: {Desulfurisation of NOx traps or adsorbent}
F02D41/028 (Desulfurisation of nox traps or adsorbent) appears on 294 US grants and 250 published applications in this corpus.
Search patents in F02D- Granted patents
- 294
- Published applications
- 250
- Assignees
- 77
- Inventors
- 542
- Latest grant
- 21 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 9 | 0 |
| 1999 | 3 | 0 |
| 2000 | 7 | 0 |
| 2001 | 26 | 10 |
| 2002 | 21 | 23 |
| 2003 | 20 | 19 |
| 2004 | 19 | 23 |
| 2005 | 21 | 29 |
| 2006 | 25 | 15 |
| 2007 | 16 | 18 |
| 2008 | 11 | 23 |
| 2009 | 12 | 18 |
| 2010 | 14 | 17 |
| 2011 | 19 | 3 |
| 2012 | 16 | 7 |
| 2013 | 7 | 5 |
| 2014 | 10 | 5 |
| 2015 | 2 | 8 |
| 2016 | 8 | 6 |
| 2017 | 4 | 4 |
| 2018 | 3 | 3 |
| 2019 | 5 | 6 |
| 2020 | 5 | 3 |
| 2021 | 3 | 2 |
| 2022 | 3 | 2 |
| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method and device for determining the sulphur content in an exhaust gas channel of a motor vehicle in relation to the supplied fuel21 Jan 2025US 12,203,398 B2Vitesco Technologies GmbH
- Systems and methods for diagnosis of NOx storage catalyst8 Aug 2023US 11,719,151 B2Cummins Inc.
- Engine controller13 Sep 2022US 11,441,511 B2Subaru Corporation
- Method for operating a petrol engine, in particular of a motor vehicle, and motor vehicle16 Aug 2022US 11,415,033 B2Daimler AG
- Systems and methods for diagnosis of NOx storage catalyst26 Jul 2022US 11,396,838 B2Cummins Inc.
- Method and Device for Determining the Sulphur Content in an Exhaust Gas Channel of a Motor Vehicle in Relation to the Supplied Fuel4 May 2023US 2023/0140536 A1Vitesco Technologies GmbH
- Systems and methods for diagnosis of nox storage catalyst10 Nov 2022US 2022/0356833 A1Cummins Inc.
- Engine controller14 Apr 2022US 2022/0112857 A1Subaru Corporation
- Systems and methods for diagnosis of nox storage catalyst8 Apr 2021US 2021/0102488 A1Cummins Inc.
- Method for Operating a Petrol Engine, in Particular of a Motor Vehicle, and Motor Vehicle7 Jan 2021US 2021/0003057 A1Daimler AG
Most cited
By later US patents
- Exhaust gas purification device for an internal combustion engine197US 5,974,791 AToyota Jidosha Kabushiki Kaisha · 1999
- Method and apparatus for desulfating a no.sub.x trap176US 5,974,788 AFord Global Technologies, LLC · 1999
- Apparatus and method for internal combustion engine control173US 5,657,625 AMitsubishi Jidosha Kogyo Kabushiki Kaisha · 1997
- Exhaust gas purification apparatus for an internal combustion engine149US 5,402,641 AToyota Jidosha Kabushiki Kaisha · 1995
- Method for purifying exhaust gas of a diesel engine146US 5,746,989 AToyota Jidosha Kabushiki Kaisha · 1998