F02D 41/083
Taking into account engine load variation
Official title: {taking into account engine load variation, e.g. air-conditionning}
F02D41/083 (Taking into account engine load variation) appears on 384 US grants and 260 published applications in this corpus.
Search patents in F02D- Granted patents
- 384
- Published applications
- 260
- Assignees
- 134
- Inventors
- 859
- Latest grant
- 3 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 6 | 0 |
| 1986 | 9 | 0 |
| 1987 | 5 | 0 |
| 1988 | 7 | 0 |
| 1989 | 12 | 0 |
| 1990 | 3 | 0 |
| 1991 | 6 | 0 |
| 1992 | 6 | 0 |
| 1993 | 6 | 0 |
| 1994 | 4 | 0 |
| 1995 | 7 | 0 |
| 1996 | 6 | 0 |
| 1997 | 7 | 0 |
| 1998 | 12 | 0 |
| 1999 | 16 | 0 |
| 2000 | 13 | 0 |
| 2001 | 15 | 7 |
| 2002 | 14 | 10 |
| 2003 | 14 | 23 |
| 2004 | 20 | 22 |
| 2005 | 19 | 21 |
| 2006 | 21 | 14 |
| 2007 | 13 | 16 |
| 2008 | 9 | 11 |
| 2009 | 9 | 13 |
| 2010 | 10 | 7 |
| 2011 | 6 | 9 |
| 2012 | 6 | 9 |
| 2013 | 7 | 12 |
| 2014 | 9 | 14 |
| 2015 | 12 | 10 |
| 2016 | 8 | 11 |
| 2017 | 11 | 8 |
| 2018 | 13 | 9 |
| 2019 | 7 | 4 |
| 2020 | 3 | 9 |
| 2021 | 9 | 4 |
| 2022 | 5 | 2 |
| 2023 | 2 | 4 |
| 2024 | 6 | 8 |
| 2025 | 6 | 3 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for power take-off control3 Feb 2026US 12,540,585 B2Ford Global Technologies, LLC
- Apparatus for active engine idle control11 Nov 2025US 12,467,416 B2Battelle Memorial Institute
- Charge control device for hybrid electric vehicle22 Jul 2025US 12,365,327 B2Toyota Jidosha Kabushiki Kaisha
- Engine control device and engine control method15 Jul 2025US 12,359,640 B2Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
- Predictive power boost demand system for an agricultural vehicle8 Jul 2025US 12,349,626 B2Deere & Company
- Predictive power boost demand system for an agricultural vehicle18 Sep 2025US 2025/0287872 A1Deere & Company
- System and method for power take-off control31 Jul 2025US 2025/0243821 A1Ford Global Technologies, LLC
- Engine control device and engine control method2 Jan 2025US 2025/0003373 A1Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
- Engine speed management with increased electrical power supply5 Dec 2024US 2024/0401541 A1Fca US LLC
- Apparatus for active engine idle control15 Aug 2024US 2024/0271584 A1Battelle Memorial Institute
Most cited
By later US patents
- 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
- Cylinder deactivation engine control system with torque matching68US 6,655,353 B1General Motors Corporation · 2003
- Engine on idle arbitration for a hybrid electric vehicle68US 6,664,651 B1Ford Motor Company · 2003