F02P 19/026
Glow plug actuation during engine operation
Official title: {Glow plug actuation during engine operation}
F02P19/026 (Glow plug actuation during engine operation) appears on 66 US grants and 71 published applications in this corpus.
Search patents in F02P- Granted patents
- 66
- Published applications
- 71
- Assignees
- 36
- Inventors
- 159
- Latest grant
- 15 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 3 |
| 2003 | 4 | 2 |
| 2004 | 1 | 2 |
| 2005 | 0 | 2 |
| 2006 | 1 | 0 |
| 2007 | 1 | 3 |
| 2008 | 0 | 2 |
| 2009 | 0 | 2 |
| 2010 | 5 | 6 |
| 2011 | 4 | 9 |
| 2012 | 2 | 2 |
| 2013 | 8 | 4 |
| 2014 | 2 | 6 |
| 2015 | 1 | 6 |
| 2016 | 7 | 7 |
| 2017 | 7 | 3 |
| 2018 | 2 | 1 |
| 2019 | 1 | 2 |
| 2020 | 2 | 2 |
| 2021 | 3 | 4 |
| 2022 | 2 | 1 |
| 2023 | 2 | 0 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- 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
- Combustion system18 Jun 2024US 12,013,115 B2Indian Institute of Technology
- Construction machine22 Aug 2023US 11,732,441 B2Hitachi Construction Machinery Co., Ltd.
- Systems and methods of compression ignition engines21 Mar 2023US 11,608,773 B2Nautilus Engineering, LLC
- Revolving speed variable voltage power supply for glow plug of two-stroke or four-stroke gasoline engine23 Aug 2022US 11,421,643 B1
- Temperature-controllable glow plug assisted compression ignition methanol engine and control method thereof23 Jul 2026US 2026/0210322 A1Taiyuan University of Technology
- System for lighting off an auxiliary occupational emissions device and method of operating the same15 Aug 2024US 2024/0271554 A1Beecher Emission Solution Technologies, LLC
- Subchamber diesel engine6 Jan 2022US 2022/0003147 A1Yanmar Power Technology co., Lt.
- Construction machine11 Nov 2021US 2021/0348362 A1Hitachi Construction Machinery Co., Ltd.
- Combustion system7 Oct 2021US 2021/0310649 A1Indian Institute of Technology Bombay
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
- Variable displacement diesel engine46US 5,813,383 A1998
- Soot catcher purgative diesel engine fuel supply method and apparatus40US 4,452,040 AToyota Jidosha Kabushiki Kaisha · 1984