F02B 77/086
Sensor arrangements in the exhaust
Official title: {Sensor arrangements in the exhaust, e.g. for temperature, misfire, air/fuel ratio, oxygen sensors}
F02B77/086 (Sensor arrangements in the exhaust) appears on 68 US grants and 60 published applications in this corpus.
Search patents in F02B- Granted patents
- 68
- Published applications
- 60
- Assignees
- 50
- Inventors
- 184
- Latest grant
- 13 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 3 |
| 2006 | 1 | 4 |
| 2007 | 1 | 0 |
| 2008 | 1 | 3 |
| 2009 | 2 | 0 |
| 2010 | 2 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 3 | 4 |
| 2016 | 2 | 10 |
| 2017 | 7 | 3 |
| 2018 | 8 | 3 |
| 2019 | 1 | 5 |
| 2020 | 3 | 6 |
| 2021 | 6 | 4 |
| 2022 | 3 | 2 |
| 2023 | 1 | 1 |
| 2024 | 3 | 4 |
| 2025 | 4 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Internal combustion engine misfire detecting device and misfire detecting method13 Jan 2026US 12,523,170 B2Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
- Carbon monoxide detecting system for internal combustion engine-based machines23 Dec 2025US 12,503,984 B2Generac Power Systems, Inc.
- Hydrogen-oxygen cycle engine and using method therefor22 Jul 2025US 12,366,198 B2
- NOx sensor monitoring18 Feb 2025US 12,228,471 B2Caterpillar Motoren GmbH & Co. KG
- Method and apparatus for diagnosing an exhaust gas sensor4 Feb 2025US 12,216,180 B2Vitesco Technologies GmbH
- Carbon monoxide detecting system for internal combustion engine-based machines23 Jul 2026US 2026/0210305 A1Generac Power Systems, Inc.
- Turbine Dosing System with Bypass Take Off and Delivery3 Jul 2025US 2025/0215812 A1Cummins Emission Solutions Inc.
- Turbine NOx Sensor26 Jun 2025US 2025/0207524 A1Cummins Emission Solutions Inc.
- Internal combustion engine misfire detecting device and misfire detecting method14 Nov 2024US 2024/0376843 A1Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
- Carbon monoxide detecting system for internal combustion engine-based machines15 Aug 2024US 2024/0271578 A1Generac Power Systems, Inc.
Most cited
By later US patents
- Method and apparatus for monitoring the activity of catalytic reactors112US 3,969,932 ARobert Bosch GmbH · 1976
- Method for monitoring the catalytic activity of a catalytic converter in the exhaust gas system of an internal combustion engine33US 5,428,956 AEMITEC Gesellschaft fuer Emissionstechnologie mbH · 1995
- Methods of monitoring a combustion system29US 4,372,155 AFord Motor Company · 1983
- Oxygen sensor signal conditioner27US 4,263,652 AThe Bendix Corporation · 1981
- Internal combustion engine with oxygen sensor heater control27US 4,332,225 AGeneral Motors Corporation · 1982