F02B 2075/125
Direct injection in the combustion chamber for spark ignition engines, i.e. not
Official title: {Direct injection in the combustion chamber for spark ignition engines, i.e. not in pre-combustion chamber}
F02B2075/125 (Direct injection in the combustion chamber for spark ignition engines, i.e. not) appears on 1,698 US grants and 957 published applications in this corpus.
Search patents in F02B- Granted patents
- 1,698
- Published applications
- 957
- Assignees
- 316
- Inventors
- 2,354
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 15 | 0 |
| 1977 | 10 | 0 |
| 1978 | 9 | 0 |
| 1979 | 3 | 0 |
| 1980 | 14 | 0 |
| 1981 | 8 | 0 |
| 1982 | 8 | 0 |
| 1983 | 4 | 0 |
| 1984 | 10 | 0 |
| 1985 | 14 | 0 |
| 1986 | 4 | 0 |
| 1987 | 14 | 0 |
| 1988 | 22 | 0 |
| 1989 | 17 | 0 |
| 1990 | 21 | 0 |
| 1991 | 18 | 0 |
| 1992 | 32 | 0 |
| 1993 | 36 | 0 |
| 1994 | 25 | 0 |
| 1995 | 16 | 0 |
| 1996 | 17 | 0 |
| 1997 | 19 | 0 |
| 1998 | 60 | 0 |
| 1999 | 79 | 0 |
| 2000 | 112 | 0 |
| 2001 | 121 | 50 |
| 2002 | 107 | 110 |
| 2003 | 132 | 105 |
| 2004 | 103 | 88 |
| 2005 | 82 | 54 |
| 2006 | 73 | 62 |
| 2007 | 51 | 58 |
| 2008 | 50 | 51 |
| 2009 | 27 | 54 |
| 2010 | 46 | 40 |
| 2011 | 41 | 40 |
| 2012 | 38 | 40 |
| 2013 | 40 | 40 |
| 2014 | 32 | 26 |
| 2015 | 24 | 31 |
| 2016 | 36 | 18 |
| 2017 | 26 | 8 |
| 2018 | 14 | 11 |
| 2019 | 8 | 17 |
| 2020 | 21 | 26 |
| 2021 | 19 | 9 |
| 2022 | 9 | 5 |
| 2023 | 3 | 5 |
| 2024 | 4 | 6 |
| 2025 | 2 | 3 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
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- Control system for two cycle direct injection engine and the method thereof165US 6,158,411 AFuji Jukogyo Kabushiki Kaisha · 2000
- System and method for engine starting160US 7,159,568 B1Ford Global Technologies, LLC · 2007
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