F02D 2041/1468
The characteristics being an ammonia content or concentration of the exhaust gases
Official title: {the characteristics being an ammonia content or concentration of the exhaust gases}
F02D2041/1468 (The characteristics being an ammonia content or concentration of the exhaust gases) appears on 110 US grants and 122 published applications in this corpus.
Search patents in F02D- Granted patents
- 110
- Published applications
- 122
- Assignees
- 48
- Inventors
- 260
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 1 |
| 2003 | 2 | 6 |
| 2004 | 3 | 4 |
| 2005 | 3 | 3 |
| 2006 | 3 | 3 |
| 2007 | 3 | 2 |
| 2008 | 0 | 0 |
| 2009 | 2 | 4 |
| 2010 | 0 | 10 |
| 2011 | 2 | 11 |
| 2012 | 7 | 8 |
| 2013 | 9 | 8 |
| 2014 | 10 | 7 |
| 2015 | 11 | 7 |
| 2016 | 5 | 6 |
| 2017 | 6 | 2 |
| 2018 | 2 | 4 |
| 2019 | 3 | 4 |
| 2020 | 6 | 7 |
| 2021 | 5 | 3 |
| 2022 | 4 | 6 |
| 2023 | 6 | 3 |
| 2024 | 3 | 4 |
| 2025 | 5 | 3 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System and method for adaptive control of air-to-fuel ratio18 Aug 2026US 12,710,014 B2Caterpillar Inc.
- Method for controlling the operation of a hydrogen combustion engine system of a vehicle20 Jan 2026US 12,529,347 B2Volvo Truck Corporation
- System for checking a correct mounting of a sensor30 Dec 2025US 12,510,039 B2Liebherr-Components Colmar SAS
- Systems and methods for controlling an engine based on aftertreatment system characteristics4 Nov 2025US 12,460,593 B2Cummins Inc.
- Method for evaluating an exhaust NOx sensor in the exhaust system of spark ignition internal combustion engine6 May 2025US 12,291,984 B2Volkswagen Aktiengesellschaft
- Method for operating a drive device for a motor vehicle and corresponding drive device27 Aug 2026US 2026/0251101 A1Audi AG
- System and method for adaptive control of ammonia-nox ratio18 Jun 2026US 2026/0168418 A1Caterpillar Inc.
- System and method for adaptive control of air-to-fuel ratio18 Jun 2026US 2026/0168452 A1Caterpillar Inc.
- Method of operating a hybrid ammonia-diesel compression ignition propulsion system and/or power generation system and controlling the power output and emissions thereof14 May 2026US 2026/0132750 A1Analytical Engineering, Inc.
- Controller for vehicle14 May 2026US 2026/0132751 A1Toyota Jidosha Kabushiki Kaisha
Most cited
By later US patents
- Method of measuring a gas component and sensing device for measuring the gas component95US 5,672,811 ANGK Insulators, Ltd. · 1997
- System and method for simplified data transfer63US 8,458,363 B2Apple Inc. · 2013
- Method and apparatus for controlling the amount of reactant to be added to a substance using a sensor which is responsive to both the reactant and the substance59US 6,546,720 B2Ford Global Technologies, LLC · 2003
- Catalytic converter function detection59US 6,857,262 B2SPX Corporation · 2005
- System and method for placeshifting media playback54US 8,401,681 B2Apple Inc. · 2013