F01N 2900/0416
Using the state of a sensor
Official title: using the state of a sensor, e.g. of an exhaust gas sensor
F01N2900/0416 (Using the state of a sensor) appears on 454 US grants and 515 published applications in this corpus.
Search patents in F01N- Granted patents
- 454
- Published applications
- 515
- Assignees
- 121
- Inventors
- 994
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2010 | 0 | 3 |
| 2011 | 0 | 8 |
| 2012 | 2 | 20 |
| 2013 | 11 | 32 |
| 2014 | 26 | 26 |
| 2015 | 23 | 45 |
| 2016 | 31 | 55 |
| 2017 | 43 | 52 |
| 2018 | 48 | 44 |
| 2019 | 44 | 38 |
| 2020 | 45 | 53 |
| 2021 | 45 | 32 |
| 2022 | 37 | 34 |
| 2023 | 35 | 33 |
| 2024 | 30 | 16 |
| 2025 | 25 | 12 |
| 2026 | 9 | 12 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Estimation method for determining the oxygen storage capacity of a catalytic converter22 Sep 2026US 12,742,408 B2Ferrari S.P. A.
- Internal combustion engine system15 Sep 2026US 12,736,016 B2Toyota Jidosha Kabushiki Kaisha
- Work vehicle and aftertreatment system therefor25 Aug 2026US 12,716,375 B2Deere & Company
- Methods and systems for particulate filter sensor25 Aug 2026US 12,716,378 B1Ford Global Technologies, LLC
- System and method for adaptive control of air-to-fuel ratio18 Aug 2026US 12,710,014 B2Caterpillar Inc.
- Controller and controlling method for exhaust gas treatment system13 Aug 2026US 2026/0235065 A1Ebara Corporation
- Work vehicle and aftertreatment system therefor6 Aug 2026US 2026/0226857 A1Deere & Company
- Exhaust monitoring apparatus6 Aug 2026US 2026/0226858 A1Toyota Jidosha Kabushiki Kaisha
- 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.
Most cited
By later US patents
- Radio frequency process sensing, control, and diagnostics network and system267US 10,118,119 B2CTS Corporation · 2018
- Method and system for NOx sensor degradation27US 9,010,087 B1Ford Global Technologies, LLC · 2015
- System and method for determining engine exhaust composition23US 8,762,026 B2GM Global Technology Operations LLC · 2014
- Particulate matter sensor and exhaust gas purification apparatus22US 8,261,540 B2Ibiden Co., Ltd. · 2012
- Particulate matter sensing device for controlling and diagnosing diesel particulate filter systems22US 9,605,578 B12017