F02D 2041/227
Limping home, i.e. taking specific engine control measures at abnormal conditions
Official title: {Limping Home, i.e. taking specific engine control measures at abnormal conditions}
F02D2041/227 (Limping home, i.e. taking specific engine control measures at abnormal conditions) appears on 404 US grants and 334 published applications in this corpus.
Search patents in F02D- Granted patents
- 404
- Published applications
- 334
- Assignees
- 134
- Inventors
- 951
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 5 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 6 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 8 | 0 |
| 1998 | 5 | 0 |
| 1999 | 10 | 0 |
| 2000 | 7 | 0 |
| 2001 | 9 | 3 |
| 2002 | 12 | 13 |
| 2003 | 11 | 16 |
| 2004 | 20 | 13 |
| 2005 | 13 | 12 |
| 2006 | 11 | 10 |
| 2007 | 10 | 12 |
| 2008 | 10 | 12 |
| 2009 | 8 | 9 |
| 2010 | 8 | 15 |
| 2011 | 7 | 17 |
| 2012 | 14 | 11 |
| 2013 | 10 | 15 |
| 2014 | 15 | 21 |
| 2015 | 17 | 22 |
| 2016 | 18 | 24 |
| 2017 | 28 | 25 |
| 2018 | 19 | 20 |
| 2019 | 25 | 18 |
| 2020 | 15 | 8 |
| 2021 | 20 | 12 |
| 2022 | 12 | 12 |
| 2023 | 11 | 7 |
| 2024 | 7 | 4 |
| 2025 | 7 | 2 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hybrid car and method for controlling same25 Aug 2026US 12,715,427 B2Hyundai Motor Company
- Control of a vehicle-mounted lighting system2 Jun 2026US 12,643,464 B2Milwaukee Electric Tool Corporation
- Detection method for detecting a speed sensing anomaly of an internal combustion engine and device for detecting the speed sensing anomaly30 Dec 2025US 12,510,038 B2Caterpillar Energy Solutions GmbH
- Systems and methods for bypassing a compromised engine cylinder2 Dec 2025US 12,486,814 B2Cummins Inc.
- Vehicle control device18 Nov 2025US 12,473,019 B2Honda Motor Co., Ltd.
- Method for managing a starting phase of a hybrid vehicle5 Feb 2026US 2026/0034992 A1Schaeffler Technologies AG & Co. KG
- Engine control computer24 Apr 2025US 2025/0129754 A1Vitesco Technologies GmbH
- Detection method for detecting a speed sensing anomaly of an internal combustion engine and device for detecting the speed sensing anomaly16 Jan 2025US 2025/0020087 A1Caterpillar Energy Solutions GmbH
- Engine control device and engine device21 Nov 2024US 2024/0384692 A1Kubota Corporation
- Control of a vehicle-mounted lighting system1 Aug 2024US 2024/0253557 A1Milwaukee Electric Tool Corporation
Most cited
By later US patents
- Accelerator control system for a motor vehicle327US 5,109,819 ACummins Electronics Company, Inc. · 1992
- Engine protection system96US 5,070,832 ACummins Engine Company, Inc. · 1991
- High pressure fuel injection system for internal combustion engine84US 6,024,064 ADenso Corporation · 2000
- Fuel control system including adaptive injected fuel quantity estimation80US 6,557,530 B1Cummins Inc. · 2003
- Control method and apparatus for diagnosing vehicles62US 5,964,811 AHitachi, Ltd. · 1999