F01N 2570/145
Dinitrogen oxide
F01N2570/145 (Dinitrogen oxide) appears on 33 US grants and 40 published applications in this corpus.
Search patents in F01N- Granted patents
- 33
- Published applications
- 40
- Assignees
- 25
- Inventors
- 136
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 2 |
| 2012 | 3 | 2 |
| 2013 | 2 | 1 |
| 2014 | 1 | 0 |
| 2015 | 1 | 5 |
| 2016 | 5 | 5 |
| 2017 | 4 | 2 |
| 2018 | 1 | 5 |
| 2019 | 4 | 3 |
| 2020 | 0 | 1 |
| 2021 | 1 | 3 |
| 2022 | 3 | 3 |
| 2023 | 1 | 0 |
| 2024 | 2 | 2 |
| 2025 | 2 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Exhaust gas aftertreatment system in an exhaust gas system of an ammonia combustion engine, method and use thereof16 Jun 2026US 12,655,783 B2Hug Engineering AG
- Dosing module for use in aftertreatment systems for internal combustion engines4 Nov 2025US 12,460,566 B2Cummins Emission Solutions Inc.
- Catalytic system and method for the removal of HCN from off-gases of a fluid cracking unit using same, and FCC unit assembly including the catalytic system15 Apr 2025US 12,274,980 B2Umicore AG & Co. KG
- Dosing module for use in aftertreatment systems for internal combustion engines13 Aug 2024US 12,060,822 B2Cummins Emission Solutions Inc.
- Catalytic composition30 Jan 2024US 11,883,805 B2Johnson Matthey Public Limited Company
- Exhaust gas aftertreatment system in an exhaust gas system of an ammonia combustion engine, method and use thereof15 Jan 2026US 2026/0015958 A1Hug Engineering AG
- Dinitrogen oxide purification system, internal combustion engine system, and dinitrogen oxide purification method25 Sep 2025US 2025/0297565 A1Yanmar Holdings Co., Ltd.
- Dosing module for use in aftertreatment systems for internal combustion engines31 Oct 2024US 2024/0360780 A1Cummins Emission Solutions Inc.
- Catalytic system and method for the removal of hcn from off-gases of a fluid cracking unit using same, and fcc unit assembly including the catalytic system7 Mar 2024US 2024/0075427 A1Umicore AG & Co. KG
- Catalytic composition17 Nov 2022US 2022/0362753 A1Johnson Matthey Public Limited Company
Most cited
By later US patents
- Method and apparatus for operating a diesel engine109US 5,771,686 AMercedes-Benz AG · 1998
- NOx adsorber and method of regenerating same23US 7,168,243 B2Caterpillar Inc. · 2007
- Systems and methods for control of engine NOx emissions using liquid and dry reductant sources13US 9,771,850 B2Cummins Emission Solutions Inc. · 2017
- Method of depleting nitrous oxide in exhaust gas after-treatment for lean-burn engines9US 8,512,658 B2Umicore AG & Co. KG · 2013
- Emissions reduction system8US 9,657,626 B2Ford Global Technologies, LLC · 2017