F01N 2900/1614
Nox amount trapped in catalyst
Official title: NOx amount trapped in catalyst
F01N2900/1614 (Nox amount trapped in catalyst) appears on 175 US grants and 195 published applications in this corpus.
Search patents in F01N- Granted patents
- 175
- Published applications
- 195
- Assignees
- 49
- Inventors
- 362
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2005 | 0 | 2 |
| 2006 | 2 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 4 |
| 2011 | 1 | 5 |
| 2012 | 2 | 8 |
| 2013 | 5 | 9 |
| 2014 | 9 | 8 |
| 2015 | 10 | 13 |
| 2016 | 10 | 21 |
| 2017 | 19 | 18 |
| 2018 | 16 | 27 |
| 2019 | 26 | 21 |
| 2020 | 16 | 14 |
| 2021 | 10 | 8 |
| 2022 | 13 | 14 |
| 2023 | 13 | 9 |
| 2024 | 10 | 3 |
| 2025 | 8 | 4 |
| 2026 | 4 | 5 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- System and method for adaptive control of air-to-fuel ratio18 Aug 2026US 12,710,014 B2Caterpillar Inc.
- System and method for adaptive control of ammonia-NOx ratio28 Jul 2026US 12,692,810 B2Caterpillar Inc.
- Purification system21 Jul 2026US 12,687,123 B2Isuzu Motors Limited
- 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
- Method for operating an exhaust system having an SCR catalytic converter for an internal combustion engine, internal combustion engine having an exhaust system, and a motor vehicle having an internal combustion engine18 Nov 2025US 12,473,850 B2Bayerische Motoren Werke Aktiengesellschaft
- System and method for adaptive control of ammonia-nox ratio18 Jun 2026US 2026/0168418 A1Caterpillar Inc.
- Apparatus for diagnosing a post-processing system and a method thereof18 Jun 2026US 2026/0168424 A1AVL Software and Functions GmbH
- System and method for adaptive control of air-to-fuel ratio18 Jun 2026US 2026/0168452 A1Caterpillar Inc.
- Systems and methods for doser bias detection in aftertreatment systems9 Apr 2026US 2026/0098491 A1Cummins Emission Solutions Inc.
- Engine data processor and computer-implemented method for the adjustment of an exhaust gas composition29 Jan 2026US 2026/0028930 A1Rolls-Royce Solutions GmbH
Most cited
By later US patents
- On-board catalyst health monitoring and control system adaptation in internal combustion engines32US 9,435,246 B2General Electric Company · 2016
- Exhaust purification system of internal combustion engine21US 8,679,410 B2Toyota Jidosha Kabushiki Kaisha · 2014
- Method for diagnosing a selective catalytic reduction catalyst16US 9,492,788 B2Volvo Construction Equipment AB · 2016
- Method and system for verifying the operation of an SCR catalyst14US 9,133,750 B2GM Global Technology Operations LLC · 2015
- Control apparatus for an internal combustion engine14US 9,816,415 B2Toyota Jidosha Kabushiki Kaisha · 2017