F01N 2550/10
Of catalytic converters
Official title: of catalytic converters
F01N2550/10 (Of catalytic converters) appears on 26 US grants and 24 published applications in this corpus.
Search patents in F01N- Granted patents
- 26
- Published applications
- 24
- Assignees
- 19
- Inventors
- 49
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 2 | 0 |
| 2014 | 0 | 3 |
| 2015 | 1 | 2 |
| 2016 | 2 | 1 |
| 2017 | 0 | 3 |
| 2018 | 2 | 0 |
| 2019 | 1 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 1 |
| 2023 | 1 | 2 |
| 2024 | 6 | 2 |
| 2025 | 2 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for controlling a cold light off catalyst8 Sep 2026US 12,729,639 B2Fca US LLC
- Valve arrangement for split-flow close-coupled catalyst2 Sep 2025US 12,404,794 B2Cummins Emission Solutions Inc.
- Dual leg aftertreatment system4 Mar 2025US 12,241,394 B2Cummins Power Generation Inc.
- Vehicle bypass catalyst diagnostic system31 Dec 2024US 12,180,870 B1Fca US LLC
- Vehicle bypass catalyst diagnostic system17 Sep 2024US 12,092,003 B1Fca US LLC
- System and method for controlling a cold light off catalyst3 Sep 2026US 2026/0258742 A1Fca US LLC
- Dual leg aftertreatment system19 Jun 2025US 2025/0198322 A1Cummins Power Generation Inc.
- Vehicle bypass catalyst diagnostic system2 Jan 2025US 2025/0003362 A1Fca US LLC
- Dual leg aftertreatment system16 May 2024US 2024/0159180 A1Cummins Power Generation Inc.
- Valve arrangement for split-flow close-coupled catalyst4 Apr 2024US 2024/0110499 A1Cummins Emission Solutions Inc.
Most cited
By later US patents
- Method and system for diagnosing deterioration of NOx catalyst43US 6,167,695 ANissan Motor Co., Ltd. · 2001
- Apparatus and method for filtering particulate and reducing NOx emissions32US 6,989,045 B2Illinois Valley Holding Company · 2006
- Exhaust purification apparatus for an engine23US 5,311,737 AMazda Motor Corporation · 1994
- Exhaust gas purifier for engines15US 6,082,101 AHitachi, Ltd. · 2000
- Exhaust system with bypass catalytic converter and diagnostics14US 5,522,219 AFord Motor Company · 1996