F02M 47/027
Electrically actuated valves draining the chamber to release the closing pressure
Official title: {Electrically actuated valves draining the chamber to release the closing pressure}
F02M47/027 (Electrically actuated valves draining the chamber to release the closing pressure) appears on 1,210 US grants and 1,071 published applications in this corpus.
Search patents in F02M- Granted patents
- 1,210
- Published applications
- 1,071
- Assignees
- 182
- Inventors
- 1,433
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 5 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 10 | 0 |
| 1991 | 11 | 0 |
| 1992 | 10 | 0 |
| 1993 | 8 | 0 |
| 1994 | 1 | 0 |
| 1995 | 13 | 0 |
| 1996 | 9 | 0 |
| 1997 | 24 | 0 |
| 1998 | 35 | 0 |
| 1999 | 33 | 0 |
| 2000 | 52 | 0 |
| 2001 | 48 | 18 |
| 2002 | 52 | 72 |
| 2003 | 74 | 103 |
| 2004 | 98 | 104 |
| 2005 | 70 | 54 |
| 2006 | 58 | 85 |
| 2007 | 58 | 65 |
| 2008 | 42 | 55 |
| 2009 | 39 | 66 |
| 2010 | 27 | 74 |
| 2011 | 44 | 32 |
| 2012 | 24 | 42 |
| 2013 | 43 | 46 |
| 2014 | 31 | 27 |
| 2015 | 39 | 26 |
| 2016 | 28 | 35 |
| 2017 | 26 | 22 |
| 2018 | 25 | 20 |
| 2019 | 31 | 20 |
| 2020 | 18 | 31 |
| 2021 | 28 | 21 |
| 2022 | 29 | 15 |
| 2023 | 18 | 10 |
| 2024 | 9 | 9 |
| 2025 | 13 | 12 |
| 2026 | 2 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- High speed fuel injector106US 5,460,329 A1995
- Pressure storage fuel injection system102US 5,622,152 AMitsubishi Jidosha Kogyo Kabushiki Kaisha · 1997
- Piezoelectric controlled common rail injector with hydraulic amplification of piezoelectric stroke99US 5,779,149 ASiemens Automotive Corporation · 1998
- Fuel injector for an internal combustion engine88US 4,603,671 ANippon Soken, Inc. · 1986
- Hydraulically-actuated fuel injector with direct control needle valve77US 5,697,342 ACaterpillar Inc. · 1997