F02D 2041/2086
With means for detecting circuit failures
Official title: {with means for detecting circuit failures}
F02D2041/2086 (With means for detecting circuit failures) appears on 134 US grants and 122 published applications in this corpus.
Search patents in F02D- Granted patents
- 134
- Published applications
- 122
- Assignees
- 64
- Inventors
- 313
- Latest grant
- 6 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 2 |
| 2002 | 6 | 3 |
| 2003 | 2 | 4 |
| 2004 | 4 | 1 |
| 2005 | 1 | 3 |
| 2006 | 1 | 2 |
| 2007 | 3 | 4 |
| 2008 | 1 | 11 |
| 2009 | 6 | 8 |
| 2010 | 8 | 6 |
| 2011 | 4 | 7 |
| 2012 | 3 | 2 |
| 2013 | 4 | 4 |
| 2014 | 1 | 6 |
| 2015 | 7 | 8 |
| 2016 | 8 | 3 |
| 2017 | 4 | 10 |
| 2018 | 7 | 6 |
| 2019 | 12 | 2 |
| 2020 | 3 | 2 |
| 2021 | 4 | 13 |
| 2022 | 8 | 7 |
| 2023 | 7 | 3 |
| 2024 | 5 | 4 |
| 2025 | 3 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method and circuitry for controlling discharge of a solenoid valve6 Jan 2026US 12,518,901 B2Scania CV AB
- Purge valve driving control device3 Jun 2025US 12,322,544 B2Bosch Corporation
- Method for diagnosing a speed/position sensor25 Mar 2025US 12,259,262 B2Vitesco Technologies GmbH
- Method and apparatus for diagnosing an exhaust gas sensor4 Feb 2025US 12,216,180 B2Vitesco Technologies GmbH
- Method for diagnosing exhaust gas sensors17 Sep 2024US 12,092,548 B2Robert Bosch GmbH
- Load driving device and method for controlling load driving device16 Apr 2026US 2026/0106549 A1Hitachi Astemo, Ltd.
- Purge valve driving control device1 Aug 2024US 2024/0258005 A1Bosch Corporation
- Method and circuitry for controlling discharge of a solenoid valve18 Jul 2024US 2024/0242867 A1Scania CV AB
- System and method for detecting a failure in a fluid path of a fluid system7 Mar 2024US 2024/0077007 A1Novares France
- Fuel injector drive system8 Feb 2024US 2024/0044298 A1Caterpillar Inc.
Most cited
By later US patents
- Fault detection circuit50US 4,736,267 AMotorola, Inc. · 1988
- Switching type driver circuit for fuel injector35US 4,479,161 AThe Bendix Corporation · 1984
- Fuel injector failure detection circuit33US 5,469,825 AChrysler Corporation · 1995
- Injector driver fault detect and protection device27US 4,589,401 AMotorola, Inc. · 1986
- Driver circuit for solenoid operated fuel injectors24US 4,905,120 ACaterpillar Inc. · 1990