F02D 41/0295
Control according to the amount of oxygen that is stored on the
Official title: {Control according to the amount of oxygen that is stored on the exhaust gas treating apparatus}
F02D41/0295 (Control according to the amount of oxygen that is stored on the) appears on 394 US grants and 423 published applications in this corpus.
Search patents in F02D- Granted patents
- 394
- Published applications
- 423
- Assignees
- 81
- Inventors
- 699
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
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| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 7 | 6 |
| 2002 | 12 | 22 |
| 2003 | 17 | 20 |
| 2004 | 15 | 25 |
| 2005 | 10 | 13 |
| 2006 | 16 | 11 |
| 2007 | 7 | 19 |
| 2008 | 6 | 13 |
| 2009 | 4 | 15 |
| 2010 | 17 | 8 |
| 2011 | 18 | 12 |
| 2012 | 11 | 12 |
| 2013 | 8 | 12 |
| 2014 | 14 | 10 |
| 2015 | 7 | 20 |
| 2016 | 20 | 28 |
| 2017 | 24 | 39 |
| 2018 | 34 | 17 |
| 2019 | 23 | 16 |
| 2020 | 31 | 36 |
| 2021 | 29 | 14 |
| 2022 | 18 | 14 |
| 2023 | 12 | 14 |
| 2024 | 9 | 5 |
| 2025 | 8 | 8 |
| 2026 | 5 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Device and method for controlling oxygen storage amount in three-way catalyst3 Sep 2026US 2026/0258762 A1Nissan Motor Co., Ltd.
- Control device for exhaust gas control apparatus3 Sep 2026US 2026/0258765 A1Toyota Jidosha Kabushiki Kaisha
- Method for Operating an Internal Combustion Engine of a Motor Vehicle, in Particular a Car13 Aug 2026US 2026/0235086 A1Bayerische Motoren Werke Aktiengesellschaft
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Most cited
By later US patents
- Method for controlling the level of oxygen stored by a catalyst within a catalytic converter152US 5,842,340 AMotorola, Inc. · 1998
- Air-fuel ratio control system for internal combustion engines and exhaust system temperature-estimating device applicable thereto101US 5,678,402 AHonda Giken Kogyo Kabushiki Kaisha · 1997
- Controller of compression-ignition engine77US 6,772,585 B2Hitachi, Ltd. · 2004
- Air-fuel ratio control apparatus of internal combustion engine71US 6,481,201 B2Toyota Jidosha Kabushiki Kaisha · 2002
- Air-fuel ratio control system for internal combustion engine and control method therof59US 6,502,389 B2Toyota Jidosha Kabushiki Kaisha · 2003