F02P 2017/128
For knock detection
Official title: {for knock detection}
F02P2017/128 (For knock detection) appears on 129 US grants and 74 published applications in this corpus.
Search patents in F02P- Granted patents
- 129
- Published applications
- 74
- Assignees
- 63
- Inventors
- 228
- Latest grant
- 23 Jan 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 7 | 0 |
| 1994 | 2 | 0 |
| 1995 | 7 | 0 |
| 1996 | 6 | 0 |
| 1997 | 3 | 0 |
| 1998 | 6 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 1 |
| 2002 | 5 | 4 |
| 2003 | 6 | 2 |
| 2004 | 5 | 18 |
| 2005 | 7 | 2 |
| 2006 | 9 | 1 |
| 2007 | 2 | 5 |
| 2008 | 2 | 3 |
| 2009 | 2 | 5 |
| 2010 | 5 | 0 |
| 2011 | 0 | 4 |
| 2012 | 2 | 0 |
| 2013 | 3 | 2 |
| 2014 | 0 | 2 |
| 2015 | 2 | 1 |
| 2016 | 1 | 4 |
| 2017 | 2 | 4 |
| 2018 | 3 | 4 |
| 2019 | 5 | 6 |
| 2020 | 6 | 2 |
| 2021 | 5 | 1 |
| 2022 | 0 | 2 |
| 2023 | 1 | 0 |
| 2024 | 1 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- System and method for controlling ignition coil23 Jan 2024US 11,879,420 B1Hyundai Motor Company
- Electronic device to control an ignition coil of an internal combustion engine and electronic ignition system thereof for detecting a preignition in the internal combustion engine27 Jun 2023US 11,686,282 B2Eldor Corporation S.P.A.
- Method and system for combustion control in a combustion chamber of an internal combustion engine21 Dec 2021US 11,204,013 B2Fpt Industrial S.P.A.
- Gated ionization current supply voltage7 Dec 2021US 11,193,432 B2Cummins Inc.
- Ion current sensing for estimation of combustion phasing in an internal combustion engine30 Nov 2021US 11,187,201 B1Fca US LLC
- System and method for misfire detection for dual spark plug engine31 Jul 2025US 2025/0244207 A1Fca US LLC
- Electronic device to control an ignition coil of an internal combustion engine and electronic ignition system thereof for detecting a pre-ignition in the internal combustion engine5 May 2022US 2022/0136477 A1Eldor Corporation S.P.A.
- Internal-combustion-engine combustion state control apparatus5 May 2022US 2022/0136478 A1Mitsubishi Electric Corporation
- Method and system for combustion control in a combustion chamber of an internal combustion engine11 Feb 2021US 2021/0040930 A1Fpt Industrial S.P.A.
- Knocking detection method, ignition timing control method, and ignition timing control system15 Oct 2020US 2020/0325835 A1Mitsubishi Heavy Industries, Ltd.
Most cited
By later US patents
- Exhaust gas control using a spark plug ionization signal198US 6,980,903 B2Visteon Global Technologies, Inc. · 2005
- Method and apparatus for detecting ion current in an internal combustion engine ignition system95US 4,648,367 ASaab-Scania Aktiebolog · 1987
- System and method for reducing knock and preignition in an internal combustion engine65US 7,533,651 B2Ford Global Technologies, LLC · 2009
- Combustion condition detecting apparatus for an internal combustion engine61US 6,336,355 B12002
- Preignition warning device56US 5,204,630 AAllied-Signal Inc. · 1993