F02D 41/144
Sensor in intake manifold
Official title: {Sensor in intake manifold}
F02D41/144 (Sensor in intake manifold) appears on 270 US grants and 245 published applications in this corpus.
Search patents in F02D- Granted patents
- 270
- Published applications
- 245
- Assignees
- 83
- Inventors
- 448
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 5 |
| 2003 | 5 | 4 |
| 2004 | 6 | 4 |
| 2005 | 3 | 4 |
| 2006 | 5 | 5 |
| 2007 | 4 | 3 |
| 2008 | 3 | 1 |
| 2009 | 1 | 4 |
| 2010 | 4 | 5 |
| 2011 | 2 | 9 |
| 2012 | 3 | 5 |
| 2013 | 5 | 14 |
| 2014 | 8 | 19 |
| 2015 | 14 | 32 |
| 2016 | 23 | 22 |
| 2017 | 29 | 24 |
| 2018 | 32 | 33 |
| 2019 | 27 | 19 |
| 2020 | 25 | 14 |
| 2021 | 12 | 6 |
| 2022 | 5 | 2 |
| 2023 | 4 | 6 |
| 2024 | 4 | 1 |
| 2025 | 3 | 3 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Camless reciprocating engine control system20 Feb 2025US 2025/0059925 A1Adaptive Camless Technology, LLC
- Combustion Apparatus with Mass Flow Sensor18 Jan 2024US 2024/0018921 A1Siemens Aktiengesellschaft
Most cited
By later US patents
- Controlled temperature combustion engine113US 6,651,432 B1The United States of America as represented by the Administrator of the Environmental Protection Agency · 2003
- Combustible-gas sensor, diagnostic device for intake-oxygen concentration sensor, and air-fuel ratio control device for internal combustion engines63US 6,739,177 B2Nippon Soken, Inc. · 2004
- Optimized combustion control of an internal combustion engine equipped with exhaust gas recirculation55US 6,948,475 B1Clean Air Power, Inc. · 2005
- DPF regeneration monitoring method51US 7,299,626 B2International Engine Intellectual Property Company, LLC · 2007
- Engine exhaust gas recirculation control system37US 4,614,175 AMitsubishi Denki Kabushiki Kaisha · 1986