F02D 31/008
For idle speed control
Official title: {for idle speed control}
F02D31/008 (For idle speed control) appears on 110 US grants and 79 published applications in this corpus.
Search patents in F02D- Granted patents
- 110
- Published applications
- 79
- Assignees
- 66
- Inventors
- 259
- Latest grant
- 21 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 9 | 0 |
| 2000 | 4 | 0 |
| 2001 | 9 | 1 |
| 2002 | 5 | 3 |
| 2003 | 2 | 4 |
| 2004 | 4 | 3 |
| 2005 | 3 | 7 |
| 2006 | 3 | 1 |
| 2007 | 5 | 3 |
| 2008 | 2 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 8 |
| 2011 | 3 | 3 |
| 2012 | 3 | 3 |
| 2013 | 4 | 5 |
| 2014 | 5 | 7 |
| 2015 | 2 | 5 |
| 2016 | 3 | 1 |
| 2017 | 5 | 8 |
| 2018 | 7 | 3 |
| 2019 | 3 | 5 |
| 2020 | 3 | 0 |
| 2021 | 0 | 2 |
| 2022 | 3 | 2 |
| 2023 | 2 | 2 |
| 2024 | 2 | 1 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Torque compensation for air/fuel switching21 Oct 2025US 12,448,931 B2Toyota Jidosha Kabushiki Kaisha
- Method for operating an idling control device, an idling control device and a motor vehicle14 May 2024US 11,981,318 B2Vitesco Technologies GmbH
- Test kit for executing a sequence of individual cylinder tests13 Feb 2024US 11,898,933 B2DAF Trucks N. V.
- Engine idle speed control19 Dec 2023US 11,846,240 B2Ford Global Technologies, LLC
- Engine idle reduction control apparatus2 May 2023US 11,639,692 B2Subaru Corporation
- Engine device18 Sep 2025US 2025/0290465 A1Yanmar Holdings Co., Ltd.
- Torque compensation for air/fuel switching22 Aug 2024US 2024/0280063 A1Toyota Jidosha Kabushiki Kaisha
- Hybrid vehicle engine idling control16 Mar 2023US 2023/0083854 A1Jaguar Land Rover Limited
- Engine idle speed control2 Mar 2023US 2023/0068919 A1Ford Global Technologies, LLC
- Test kit for testing an internal combustion engine1 Dec 2022US 2022/0381648 A1DAF Trucks N. V.
Most cited
By later US patents
- Idle speed control system for a marine propulsion system80US 6,109,986 ABrunswick Corporation · 2000
- Digital ignition56US 6,196,208 B1Autotronic Controls Corporation · 2001
- Throttle body fuel injection system with improved idle air control45US 9,303,578 B2Msd K.K. · 2016
- Idle operation control for internal combustion engines36US 4,509,477 ANippondenso Co., Ltd. · 1985
- Throttle body fuel injection system with improved fuel distribution and idle air control36US 9,845,740 B2Msd K.K. · 2017