F01N 9/007
Storing data relevant to operation of exhaust systems for later retrieval and
Official title: {Storing data relevant to operation of exhaust systems for later retrieval and analysis, e.g. to research exhaust system malfunctions}
F01N9/007 (Storing data relevant to operation of exhaust systems for later retrieval and) appears on 114 US grants and 123 published applications in this corpus.
Search patents in F01N- Granted patents
- 114
- Published applications
- 123
- Assignees
- 58
- Inventors
- 338
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 2 |
| 2004 | 0 | 1 |
| 2005 | 3 | 0 |
| 2006 | 1 | 4 |
| 2007 | 1 | 7 |
| 2008 | 1 | 3 |
| 2009 | 5 | 1 |
| 2010 | 2 | 3 |
| 2011 | 2 | 4 |
| 2012 | 0 | 5 |
| 2013 | 3 | 4 |
| 2014 | 7 | 9 |
| 2015 | 7 | 8 |
| 2016 | 9 | 5 |
| 2017 | 3 | 5 |
| 2018 | 9 | 5 |
| 2019 | 4 | 11 |
| 2020 | 11 | 11 |
| 2021 | 8 | 4 |
| 2022 | 6 | 3 |
| 2023 | 9 | 8 |
| 2024 | 8 | 9 |
| 2025 | 7 | 6 |
| 2026 | 5 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for adaptive control of ammonia-NOx ratio28 Jul 2026US 12,692,810 B2Caterpillar Inc.
- Systems and methods to assess state-of-health of an exhaust gas constituent capture device28 Jul 2026US 12,692,811 B2Cummins Inc.
- Method and a system for controlling a vehicle comprising an engine exhaust system2 Jun 2026US 12,644,425 B2Volvo Truck Corporation
- Systems and methods for controller updating and configuring emission certification level enforcement24 Mar 2026US 12,586,083 B2Cummins Inc.
- Method for exhaust gas after-treatment of an internal combustion engine having at least one SCR catalyst27 Jan 2026US 12,535,024 B2Robert Bosch GmbH
- Aftertreatment system nox and ammonia control strategy13 Aug 2026US 2026/0235059 A1Cummins Inc.
- System and method for adaptive control of ammonia-nox ratio18 Jun 2026US 2026/0168418 A1Caterpillar Inc.
- Systems and methods for diagnosing component failure28 May 2026US 2026/0146555 A1Cummins Inc.
- Engine data processor and computer-implemented method for the adjustment of an exhaust gas composition29 Jan 2026US 2026/0028930 A1Rolls-Royce Solutions GmbH
- Methods and systems for a fuel operated heater24 Jul 2025US 2025/0237164 A1Ford Global Technologies, LLC
Most cited
By later US patents
- Methods of controlling reductant addition45US 7,861,516 B2Johnson Matthey Public Limited Company · 2011
- System for controlling particulate filter temperature43US 6,901,751 B2Cummins Inc. · 2005
- System for controlling particulate filter temperature38US 6,910,329 B2Cummins Inc. · 2005
- Apparatus and method for simultaneous monitoring, logging, and controlling of an industrial process34US 7,117,079 B2Cleaire Advanced Emission Controls · 2006
- Process for determining particle emission in the exhaust fume stream from an internal combustion engine27US 7,474,953 B2AVL List GmbH · 2009