F01N 3/106
Auxiliary oxidation catalysts
Official title: {Auxiliary oxidation catalysts}
F01N3/106 (Auxiliary oxidation catalysts) appears on 1,017 US grants and 1,295 published applications in this corpus.
Search patents in F01N- Granted patents
- 1,017
- Published applications
- 1,295
- Assignees
- 279
- Inventors
- 2,202
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 2 |
| 2004 | 3 | 5 |
| 2005 | 2 | 10 |
| 2006 | 6 | 15 |
| 2007 | 8 | 50 |
| 2008 | 13 | 56 |
| 2009 | 24 | 74 |
| 2010 | 29 | 93 |
| 2011 | 36 | 83 |
| 2012 | 66 | 69 |
| 2013 | 89 | 85 |
| 2014 | 74 | 83 |
| 2015 | 94 | 115 |
| 2016 | 77 | 86 |
| 2017 | 84 | 82 |
| 2018 | 47 | 75 |
| 2019 | 76 | 62 |
| 2020 | 57 | 64 |
| 2021 | 63 | 27 |
| 2022 | 41 | 41 |
| 2023 | 34 | 38 |
| 2024 | 40 | 35 |
| 2025 | 38 | 20 |
| 2026 | 12 | 24 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Work vehicle and aftertreatment system therefor25 Aug 2026US 12,716,375 B2Deere & Company
- Catalytic heater for an exhaust gas system of an internal combustion engine, exhaust gas system and method of operating an exhaust gas system23 Jun 2026US 12,662,955 B2Purem GmbH
- Engine exhaust aftertreatment system architecture with coordinated emission control16 Jun 2026US 12,655,781 B1GM Global Technology Operations LLC
- Diesel engine24 Mar 2026US 12,584,438 B2Yanmar Holdings Co., Ltd.
- Engine system comprising a hydrogen combustion engine10 Mar 2026US 12,571,338 B2Volvo Truck Corporation
- System for treating an exhaust gas8 Oct 2026US 2026/0307052 A1Johnson Matthey Public Limited Company
- Improved hydrocarbon trap for cold-start hydrocarbon control from internal combustion engines1 Oct 2026US 2026/0295527 A1
- Composite of manganese-based oxide and zeolite useful as nh3-scr catalyst24 Sep 2026US 2026/0284594 A1
- Multi-stage emission system for large displacement compression ignition non-road diesel, diesel-natural gas or alternative fuel mixture generator systems for emergency and non-emergency stationary power applications17 Sep 2026US 2026/0275892 A1Bluefin ESI, Inc.
- Exhaust aftertreatment system, an engine system, and methods for controlling operation thereof3 Sep 2026US 2026/0258743 A1Volvo Truck Corporation
Most cited
By later US patents
- Layered catalyst composite162US 5,597,771 AEngelhard Corporation · 1997
- Method and apparatus for controlled introduction of a reducing agent into a nitrogen oxide-containing exhaust gas153US 5,628,186 ASiemens Aktiengesellschaft · 1997
- Catalyzed SCR filter and emission treatment system132US 7,229,597 B2BASFD Catalysts LLC · 2007
- Integrated NOx and PM reduction devices for the treatment of emissions from internal combustion engines116US 7,062,904 B1Eaton Corporation · 2006
- Adaptive exhaust temperature estimation and control105US 5,722,236 AFord Global Technologies, LLC · 1998