F02D 35/022
Using an optical sensor
Official title: {using an optical sensor, e.g. in-cylinder light probe}
F02D35/022 (Using an optical sensor) appears on 107 US grants and 64 published applications in this corpus.
Search patents in F02D- Granted patents
- 107
- Published applications
- 64
- Assignees
- 52
- Inventors
- 234
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 3 | 0 |
| 1984 | 8 | 0 |
| 1985 | 6 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 5 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 7 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 4 |
| 2003 | 5 | 4 |
| 2004 | 3 | 2 |
| 2005 | 4 | 0 |
| 2006 | 0 | 7 |
| 2007 | 1 | 1 |
| 2008 | 5 | 2 |
| 2009 | 1 | 3 |
| 2010 | 2 | 4 |
| 2011 | 1 | 0 |
| 2012 | 3 | 4 |
| 2013 | 2 | 4 |
| 2014 | 4 | 6 |
| 2015 | 2 | 5 |
| 2016 | 4 | 2 |
| 2017 | 3 | 2 |
| 2018 | 1 | 2 |
| 2019 | 1 | 3 |
| 2020 | 4 | 3 |
| 2021 | 3 | 1 |
| 2022 | 2 | 2 |
| 2023 | 1 | 1 |
| 2024 | 1 | 1 |
| 2025 | 1 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Camless reciprocating engine control system10 Mar 2026US 12,571,356 B2Adaptive Camless Technology, LLC
- System and method to predict and control blowout in combustion systems7 Oct 2025US 12,435,875 B2Indian Institute of Technology Madras (Iit Madras)
- Adaptive any-fuel camless reciprocating engine24 Dec 2024US 12,173,664 B2The Regents of the University of California
- Combustion system13 Jun 2023US 11,674,465 B2Denso Corporation
- Systems and methods for engine combustion modeling and control22 Mar 2022US 11,280,277 B1Honda Motor Co., Ltd.
- Camless reciprocating engine control system20 Feb 2025US 2025/0059925 A1Adaptive Camless Technology, LLC
- System and method to predict and control blowout in combustion Systems28 Nov 2024US 2024/0392964 A1Indian Institute of Technology Madras
- Adaptive any-fuel camless reciprocating engine30 Nov 2023US 2023/0383705 A1The Regents of the University of California
- Combustion system22 Dec 2022US 2022/0403794 A1Denso Corporation
- Adaptive any-fuel camless reciprocating engine2 Jun 2022US 2022/0170423 A1The Regents of the University of California
Most cited
By later US patents
- Method and apparatus for operation of combustion engines205US 6,155,212 A2000
- Multiple operating mode engine and method of operation134US 6,561,157 B2Cummins Inc. · 2003
- Optoelectric measuring device for monitoring combustion processes117US 6,320,184 B1AVL List GmbH · 2001
- Multiple operating mode engine and method of operation64US 6,907,870 B2Cummins Inc. · 2005
- Internal combustion engine operable in PCCI mode with early control injection and method of operation63US 6,659,071 B2Cummins Inc. · 2003