F02D 35/027
Using knock sensors
Official title: {using knock sensors}
F02D35/027 (Using knock sensors) appears on 958 US grants and 934 published applications in this corpus.
Search patents in F02D- Granted patents
- 958
- Published applications
- 934
- Assignees
- 222
- Inventors
- 1,647
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 8 | 0 |
| 1985 | 4 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 5 | 0 |
| 1990 | 8 | 0 |
| 1991 | 3 | 0 |
| 1992 | 9 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 8 | 0 |
| 2000 | 12 | 0 |
| 2001 | 11 | 7 |
| 2002 | 13 | 14 |
| 2003 | 31 | 24 |
| 2004 | 18 | 37 |
| 2005 | 33 | 26 |
| 2006 | 31 | 27 |
| 2007 | 29 | 32 |
| 2008 | 28 | 41 |
| 2009 | 24 | 43 |
| 2010 | 43 | 39 |
| 2011 | 25 | 45 |
| 2012 | 32 | 49 |
| 2013 | 41 | 35 |
| 2014 | 39 | 39 |
| 2015 | 32 | 56 |
| 2016 | 48 | 74 |
| 2017 | 57 | 68 |
| 2018 | 68 | 63 |
| 2019 | 68 | 59 |
| 2020 | 60 | 39 |
| 2021 | 49 | 32 |
| 2022 | 32 | 28 |
| 2023 | 21 | 14 |
| 2024 | 17 | 14 |
| 2025 | 10 | 14 |
| 2026 | 11 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for operating an internal combustion engine with pressure measurements or pressure estimates based on a plausibility check1 Sep 2026US 12,723,552 B2Innio Jenbacher GmbH & Co OG
- Systems and methods for adaptively managing engine knocking23 Jun 2026US 12,662,984 B2Caterpillar Inc.
- Combustion abnormality monitoring device for two-stroke engine16 Jun 2026US 12,655,809 B2Kawasaki Motors, Ltd.
- System and a method for reducing hydrogen knocking in a hydrogen internal combustion engine2 Jun 2026US 12,644,424 B1United Arab Emirates University
- Method of operating a hydrogen internal combustion engine19 May 2026US 12,631,151 B2Phinia Delphi Luxembourg Sarl
- Knock detection method, knock detection device, gas engine13 Aug 2026US 2026/0235473 A1Caterpillar Energy Solutions GmbH
- Detecting knock using an arima model6 Aug 2026US 2026/0226878 A1Robert Bosch GmbH
- A system for mitigating knocking in an engine and a method thereof23 Jul 2026US 2026/0210307 A1Mahindra & Mahindra Limited
- Detonation detection2 Jul 2026US 2026/0185902 A1Caterpillar Inc.
- Engine anomaly detection and mitigation systems11 Jun 2026US 2026/0160203 A1
Most cited
By later US patents
- Exhaust gas control using a spark plug ionization signal198US 6,980,903 B2Visteon Global Technologies, Inc. · 2005
- Optimized fuel management system for direct injection ethanol enhancement of gasoline engines129US 7,225,787 B2Massachusetts Institute of Technology · 2007
- Knocking control system and method for internal combustion engine using multiple fuels120US 6,951,202 B2Toyota Jidosha Kabushiki Kaisha · 2005
- System and method to pre-ignition in an internal combustion engine107US 7,178,503 B1Ford Global Technologies, LLC · 2007
- Method for controlling injection timing of an internal combustion engine103US 7,278,396 B2Ford Global Technologies, LLC · 2007