F02D 41/08
For idling
Official title: for idling (F02D41/06, F02D41/16 take precedence)
F02D41/08 (For idling) appears on 1,078 US grants and 896 published applications in this corpus.
Search patents in F02D- Granted patents
- 1,078
- Published applications
- 896
- Assignees
- 261
- Inventors
- 2,337
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 9 | 0 |
| 1985 | 17 | 0 |
| 1986 | 16 | 0 |
| 1987 | 11 | 0 |
| 1988 | 13 | 0 |
| 1989 | 15 | 0 |
| 1990 | 7 | 0 |
| 1991 | 15 | 0 |
| 1992 | 12 | 0 |
| 1993 | 13 | 0 |
| 1994 | 7 | 0 |
| 1995 | 12 | 0 |
| 1996 | 9 | 0 |
| 1997 | 10 | 0 |
| 1998 | 18 | 0 |
| 1999 | 25 | 0 |
| 2000 | 19 | 0 |
| 2001 | 22 | 8 |
| 2002 | 21 | 24 |
| 2003 | 29 | 38 |
| 2004 | 36 | 38 |
| 2005 | 39 | 46 |
| 2006 | 39 | 32 |
| 2007 | 34 | 46 |
| 2008 | 28 | 28 |
| 2009 | 19 | 41 |
| 2010 | 25 | 35 |
| 2011 | 23 | 35 |
| 2012 | 26 | 49 |
| 2013 | 28 | 43 |
| 2014 | 43 | 40 |
| 2015 | 46 | 54 |
| 2016 | 36 | 64 |
| 2017 | 63 | 51 |
| 2018 | 69 | 56 |
| 2019 | 46 | 44 |
| 2020 | 45 | 32 |
| 2021 | 27 | 19 |
| 2022 | 29 | 19 |
| 2023 | 22 | 16 |
| 2024 | 18 | 21 |
| 2025 | 19 | 11 |
| 2026 | 4 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Fuel system for a spark ignition engine21 Apr 2026US 12,607,150 B2Fpt Industrial S.P.A.
- Vehicle31 Mar 2026US 12,590,563 B2Toyota Jidosha Kabushiki Kaisha
- Method of fuel injector management based on cylinder knock detection and vehicle including the same17 Mar 2026US 12,577,921 B1GM Global Technology Operations LLC
- System and method for power take-off control3 Feb 2026US 12,540,585 B2Ford Global Technologies, LLC
- Control device and method for controlling an injector30 Dec 2025US 12,510,040 B2Hitachi Astemo, Ltd.
- Temperature-controllable glow plug assisted compression ignition methanol engine and control method thereof23 Jul 2026US 2026/0210322 A1Taiyuan University of Technology
- Control device for internal combustion engine18 Jun 2026US 2026/0168455 A1Toyota Jidosha Kabushiki Kaisha
- Controller for internal combustion engine11 Jun 2026US 2026/0160215 A1Toyota Jidosha Kabushiki Kaisha
- Evaporative-emission-control system and straddled vehicle equipped with evaporative-emission-control system4 Jun 2026US 2026/0153059 A1Yamaha Hatsudoki Kabushiki Kaisha
- Engine control system and methods19 Mar 2026US 2026/0078710 A1Arctic Cat Inc.
Most cited
By later US patents
- Remote control of engine idling time242US 5,619,412 ACummins Engine Company, Inc. · 1997
- Engine system and method with cylinder deactivation106US 6,978,204 B2Ford Global Technologies, LLC · 2005
- Idle speed control for internal combustion engines87US 5,863,277 AOrbital Engine Company (Australia) Pty. Limited · 1999
- Method of feedback controlling engine idle speed84US 4,492,195 ANissan Motor Co., Ltd. · 1985
- Control strategy for diesel engine auxiliary loads to reduce emissions during engine power level changes81US 6,725,134 B2General Electric Company · 2004