F02P 19/02
Electric
Official title: electric, e.g. layout of circuits of apparatus having glowing plugs
F02P19/02 (Electric) appears on 450 US grants and 367 published applications in this corpus.
Search patents in F02P- Granted patents
- 450
- Published applications
- 367
- Assignees
- 163
- Inventors
- 791
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 5 | 0 |
| 1981 | 10 | 0 |
| 1982 | 16 | 0 |
| 1983 | 6 | 0 |
| 1984 | 12 | 0 |
| 1985 | 12 | 0 |
| 1986 | 7 | 0 |
| 1987 | 9 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 6 | 0 |
| 1993 | 3 | 0 |
| 1994 | 7 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 8 | 0 |
| 1999 | 4 | 0 |
| 2000 | 6 | 0 |
| 2001 | 9 | 4 |
| 2002 | 7 | 6 |
| 2003 | 12 | 8 |
| 2004 | 5 | 10 |
| 2005 | 6 | 13 |
| 2006 | 7 | 14 |
| 2007 | 17 | 23 |
| 2008 | 8 | 17 |
| 2009 | 9 | 31 |
| 2010 | 19 | 28 |
| 2011 | 17 | 32 |
| 2012 | 18 | 9 |
| 2013 | 25 | 23 |
| 2014 | 11 | 32 |
| 2015 | 11 | 25 |
| 2016 | 27 | 22 |
| 2017 | 29 | 13 |
| 2018 | 21 | 13 |
| 2019 | 13 | 11 |
| 2020 | 10 | 8 |
| 2021 | 8 | 6 |
| 2022 | 8 | 8 |
| 2023 | 6 | 2 |
| 2024 | 5 | 5 |
| 2025 | 1 | 1 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Heat management system and heat management method of an internal combustion engine1 Sep 2026US 12,723,535 B2Ino8 Pty Ltd.
- Method for diagnosing faults in the operation of a fuel heating system associated with an internal combustion engine17 Mar 2026US 12,577,920 B2Robert Bosch Limitada
- System for lighting off an auxiliary occupational emissions device and method of operating the same15 Apr 2025US 12,276,218 B2Beecher Emission Solution Technologies, LLC
- Heat management system and heat management method of an internal combustion engine10 Sep 2024US 12,085,007 B2Ino8 Pty Ltd.
- Work vehicle6 Aug 2024US 12,055,089 B2Kubota Corporation
- Temperature-controllable glow plug assisted compression ignition methanol engine and control method thereof23 Jul 2026US 2026/0210322 A1Taiyuan University of Technology
- Temperature control system for hot surface igniter21 May 2026US 2026/0139835 A1Chongqing Le-Mark Technology Co
- Hot surface igniter temperature control system and method26 Mar 2026US 2026/0086587 A1Chongqing Le-Mark Technology Co
- Method for diagnosing faults in the operation of a fuel heating system associated with an internal combustion engine27 Feb 2025US 2025/0067228 A1Robert Bosch Limitada
- Heat Management System and Heat Management Method of an Internal Combustion Engine19 Dec 2024US 2024/0418118 A1Ino8 Pty Ltd.
Most cited
By later US patents
- Voltage monitoring glow plug controller216US 6,009,369 ANartron Corporation · 1999
- Method for regenerating a diesel particulate filter118US 6,594,990 B2Ford Global Technologies, LLC · 2003
- Method of initiating regeneration of a particulate filter for a direct-injection diesel engine with a common rail injection system74US 6,666,020 B2C. R. F. Societa Consortile per Azioni · 2003
- Electrical starting system for diesel engines68US 6,148,258 ANartron Corporation · 2000
- Methods and apparatus for starting an internal combustion engine49US 6,202,615 B1ISAD Electronic Systems GmbH & Co. KG · 2001