F01N 2900/1624
Catalyst oxygen storage capacity
F01N2900/1624 (Catalyst oxygen storage capacity) appears on 193 US grants and 212 published applications in this corpus.
Search patents in F01N- Granted patents
- 193
- Published applications
- 212
- Assignees
- 52
- Inventors
- 403
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2008 | 0 | 2 |
| 2009 | 0 | 1 |
| 2010 | 2 | 2 |
| 2011 | 1 | 4 |
| 2012 | 2 | 7 |
| 2013 | 3 | 8 |
| 2014 | 9 | 10 |
| 2015 | 6 | 12 |
| 2016 | 11 | 16 |
| 2017 | 17 | 18 |
| 2018 | 18 | 17 |
| 2019 | 15 | 17 |
| 2020 | 26 | 29 |
| 2021 | 21 | 21 |
| 2022 | 24 | 18 |
| 2023 | 13 | 12 |
| 2024 | 14 | 5 |
| 2025 | 5 | 6 |
| 2026 | 6 | 7 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Method, processing unit, and computer program for ascertaining fill levels of a first exhaust gas catalytic converter and of a second exhaust gas catalytic converter6 Oct 2026US 12,753,716 B2Robert Bosch GmbH
- System and method for adaptive control of air-to-fuel ratio18 Aug 2026US 12,710,014 B2Caterpillar Inc.
- Method to determine the oxygen storage capacity of a catalytic converter of an exhaust gas system of an internal combustion engine14 Jul 2026US 12,680,491 B2Marelli Europe S.P.A.
- Method for operating a drive device and corresponding drive device17 Mar 2026US 12,577,896 B2Audi AG
- Exhaust purification device20 Jan 2026US 12,528,049 B2Mazda Motor Corporation
- Method for Operating a Catalytic Device, Catalytic Device, Internal Combustion Engine, Control Method for Controlling the Internal Combustion Engine, and Motor Vehicle30 Jul 2026US 2026/0218644 A1Bayerische Motoren Werke Aktiengesellschaft
- System and method for adaptive control of air-to-fuel ratio18 Jun 2026US 2026/0168452 A1Caterpillar Inc.
- Engine catalyst diagnosis apparatus11 Jun 2026US 2026/0160194 A1Mazda Motor Corporation
- Air-fuel ratio control method and device for internal combustion engine12 Mar 2026US 2026/0071584 A1Nissan Motor Co., Ltd.
- Catalyst deterioration diagnostic device for flexible fuel engine26 Feb 2026US 2026/0055737 A1Yamaha Hatsudoki Kabushiki Kaisha
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
- Adjustment of measured oxygen storage capacity based on upstream O2 sensor performance20US 9,650,981 B1GM Global Technology Operations LLC · 2017
- Control device for an electrically heated catalyst, and electrode deterioration degree estimation device for an electrically heated catalyst19US 9,163,541 B2Toyota Jidosha Kabushiki Kaisha · 2015
- Catalyst abnormality diagnosis apparatus16US 8,683,856 B2Toyota Jidosha Kabushiki Kaisha · 2014
- Control apparatus for internal combustion engine15US 8,733,081 B2Toyota Jidosha Kabushiki Kaisha · 2014