F02D 41/1494
Control of sensor heater
Official title: {Control of sensor heater}
F02D41/1494 (Control of sensor heater) appears on 418 US grants and 315 published applications in this corpus.
Search patents in F02D- Granted patents
- 418
- Published applications
- 315
- Assignees
- 88
- Inventors
- 768
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 6 | 0 |
| 1989 | 4 | 0 |
| 1990 | 6 | 0 |
| 1991 | 5 | 0 |
| 1992 | 8 | 0 |
| 1993 | 5 | 0 |
| 1994 | 9 | 0 |
| 1995 | 4 | 0 |
| 1996 | 7 | 0 |
| 1997 | 8 | 0 |
| 1998 | 10 | 0 |
| 1999 | 11 | 0 |
| 2000 | 8 | 0 |
| 2001 | 7 | 1 |
| 2002 | 7 | 6 |
| 2003 | 7 | 13 |
| 2004 | 10 | 11 |
| 2005 | 9 | 6 |
| 2006 | 6 | 6 |
| 2007 | 7 | 15 |
| 2008 | 5 | 9 |
| 2009 | 14 | 20 |
| 2010 | 11 | 15 |
| 2011 | 10 | 23 |
| 2012 | 11 | 16 |
| 2013 | 20 | 20 |
| 2014 | 19 | 14 |
| 2015 | 18 | 11 |
| 2016 | 16 | 22 |
| 2017 | 16 | 22 |
| 2018 | 24 | 17 |
| 2019 | 22 | 19 |
| 2020 | 18 | 18 |
| 2021 | 19 | 12 |
| 2022 | 15 | 4 |
| 2023 | 4 | 6 |
| 2024 | 2 | 2 |
| 2025 | 6 | 4 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cold start control systems and methods24 Mar 2026US 12,583,437 B2GM Global Technology Operations LLC
- Oxygen sensor heater control for hybrid vehicle3 Mar 2026US 12,565,864 B2Fca US LLC
- Exhaust-gas sensor for an internal combustion engine1 Jul 2025US 12,345,215 B2Vitesco Technologies GmbH
- Method for self-balancing of a lambda sensor and exhaust gas system1 Jul 2025US 12,345,600 B2Dr. Ing. h,c.F. Porsche Aktiengesellschaft
- Method of heating catalyst through system cooperation and vehicle18 Mar 2025US 12,253,037 B2Hyundai Motor Company
- Methods and systems for controlling an engine following a fuel cut-off event17 Sep 2026US 2026/0275929 A1Ford Global Technologies, LLC
- Fast awakening oxygen sensor11 Jun 2026US 2026/0160214 A1GM Global Technology Operations LLC
- Methane mitigation system1 Jan 2026US 2026/0001036 A1Enhanced Energy Group LLC
- Cold start control systems and methods25 Dec 2025US 2025/0388205 A1GM Global Technology Operations LLC
- Oxygen sensor heater control for hybrid vehicle5 Jun 2025US 2025/0179968 A1Fca US LLC
Most cited
By later US patents
- Device for reactivating catalyst of engine60US 6,178,743 B2Toyota Jidosha Kabushiki Kaisha · 2001
- Engine control system58US 6,789,533 B1Mitsubishi Denki Kabushiki Kaisha · 2004
- Emission control system with catalyst warm-up speeding control57US 6,898,927 B2Denso Corporation · 2005
- Oxygen concentration detector and method of using same42US 6,304,813 B1Toyota Jidosha Kabushiki Kaisha · 2001
- Control device for heater for oxygen sensor operative to correct target resistance with reference to standard power supply thereto41US 4,938,196 AToyota Jidosha Kabushiki Kaisha · 1990