F02D 41/401
Controlling injection timing
Official title: {Controlling injection timing (F02D41/402 takes precedence)}
F02D41/401 (Controlling injection timing) appears on 1,237 US grants and 1,140 published applications in this corpus.
Search patents in F02D- Granted patents
- 1,237
- Published applications
- 1,140
- Assignees
- 261
- Inventors
- 2,513
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 6 | 0 |
| 1983 | 8 | 0 |
| 1984 | 11 | 0 |
| 1985 | 9 | 0 |
| 1986 | 11 | 0 |
| 1987 | 9 | 0 |
| 1988 | 11 | 0 |
| 1989 | 5 | 0 |
| 1990 | 0 | 0 |
| 1991 | 6 | 0 |
| 1992 | 6 | 0 |
| 1993 | 8 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 5 | 0 |
| 1998 | 11 | 0 |
| 1999 | 18 | 0 |
| 2000 | 27 | 0 |
| 2001 | 28 | 8 |
| 2002 | 19 | 28 |
| 2003 | 28 | 30 |
| 2004 | 25 | 30 |
| 2005 | 32 | 36 |
| 2006 | 33 | 30 |
| 2007 | 38 | 29 |
| 2008 | 29 | 28 |
| 2009 | 12 | 35 |
| 2010 | 20 | 42 |
| 2011 | 21 | 44 |
| 2012 | 32 | 37 |
| 2013 | 31 | 34 |
| 2014 | 37 | 47 |
| 2015 | 36 | 54 |
| 2016 | 35 | 68 |
| 2017 | 59 | 63 |
| 2018 | 70 | 76 |
| 2019 | 83 | 75 |
| 2020 | 86 | 75 |
| 2021 | 91 | 80 |
| 2022 | 82 | 53 |
| 2023 | 66 | 55 |
| 2024 | 46 | 29 |
| 2025 | 24 | 30 |
| 2026 | 12 | 24 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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