F01N 2900/0412
Using pre-calibrated maps, tables or charts
Official title: using pre-calibrated maps, tables or charts
F01N2900/0412 (Using pre-calibrated maps, tables or charts) appears on 216 US grants and 235 published applications in this corpus.
Search patents in F01N- Granted patents
- 216
- Published applications
- 235
- Assignees
- 86
- Inventors
- 539
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2004 | 0 | 1 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 2 |
| 2009 | 0 | 12 |
| 2010 | 3 | 11 |
| 2011 | 5 | 11 |
| 2012 | 4 | 8 |
| 2013 | 16 | 16 |
| 2014 | 17 | 17 |
| 2015 | 18 | 24 |
| 2016 | 21 | 23 |
| 2017 | 21 | 17 |
| 2018 | 18 | 12 |
| 2019 | 19 | 16 |
| 2020 | 8 | 12 |
| 2021 | 11 | 10 |
| 2022 | 12 | 13 |
| 2023 | 20 | 12 |
| 2024 | 10 | 10 |
| 2025 | 7 | 3 |
| 2026 | 4 | 3 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Apparatus and method for lambda control of spark-ignition engines, and motor vehicle29 Sep 2026US 12,747,711 B2Schaeffler Technologies AG & Co. KG
- Systems and methods for controller updating and configuring emission certification level enforcement24 Mar 2026US 12,586,083 B2Cummins Inc.
- Systems and methods for predicting and controlling tailpipe NOx conversion and ammonia slip based on degradation of an aftertreatment system10 Feb 2026US 12,546,241 B2Cummins Inc.
- Control method and control device for internal combustion engine20 Jan 2026US 12,529,330 B2Nissan Motor Co., Ltd.
- Systems and methods for forecasting aftertreatment temperatures over a horizon2 Dec 2025US 12,486,815 B2Cummins Inc.
- Aftertreatment system nox and ammonia control strategy13 Aug 2026US 2026/0235059 A1Cummins Inc.
- Systems and methods for predicting and controlling tailpipe nox conversion and ammonia slip based on degradation of an aftertreatment system30 Apr 2026US 2026/0117687 A1Cummins Inc.
- Dual scr system and control method thereof2 Apr 2026US 2026/0092548 A1Hd Hyundai Infracore Co., Ltd.
- Control method and control device for internal combustion engine20 Nov 2025US 2025/0354513 A1Nissan Motor Co., Ltd.
- Systems and methods for predicting and controlling tailpipe nox conversion and ammonia slip based on degradation of an aftertreatment system29 May 2025US 2025/0172083 A1Cummins Inc.
Most cited
By later US patents
- Mobile diesel selective catalytic reduction systems and methods37US 6,941,746 B2Combustion Components Associates, Inc. · 2005
- Exhaust system implementing feedforward and feedback control34US 7,832,200 B2Caterpillar Inc. · 2010
- Exhaust emission control device for internal combustion engine24US 7,997,070 B2Honda Motor Co., Ltd. · 2011
- Filter control apparatus23US 7,357,822 B2Bosch Automotive Systems Corporation · 2008
- System and method for determining engine exhaust composition23US 8,762,026 B2GM Global Technology Operations LLC · 2014