F02M 63/0031
Characterized by the type of valves
Official title: {characterized by the type of valves, e.g. special valve member details, valve seat details, valve housing details}
F02M63/0031 (Characterized by the type of valves) appears on 819 US grants and 826 published applications in this corpus.
Search patents in F02M- Granted patents
- 819
- Published applications
- 826
- Assignees
- 191
- Inventors
- 1,469
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 6 | 0 |
| 1994 | 4 | 0 |
| 1995 | 9 | 0 |
| 1996 | 7 | 0 |
| 1997 | 15 | 0 |
| 1998 | 16 | 0 |
| 1999 | 22 | 0 |
| 2000 | 27 | 0 |
| 2001 | 22 | 6 |
| 2002 | 30 | 39 |
| 2003 | 31 | 47 |
| 2004 | 42 | 54 |
| 2005 | 33 | 43 |
| 2006 | 29 | 60 |
| 2007 | 41 | 33 |
| 2008 | 31 | 29 |
| 2009 | 23 | 48 |
| 2010 | 22 | 30 |
| 2011 | 17 | 31 |
| 2012 | 25 | 25 |
| 2013 | 21 | 41 |
| 2014 | 16 | 35 |
| 2015 | 25 | 57 |
| 2016 | 45 | 37 |
| 2017 | 41 | 36 |
| 2018 | 35 | 40 |
| 2019 | 30 | 33 |
| 2020 | 41 | 33 |
| 2021 | 33 | 15 |
| 2022 | 34 | 17 |
| 2023 | 10 | 5 |
| 2024 | 8 | 10 |
| 2025 | 11 | 13 |
| 2026 | 4 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F02M 63/0033Lift valves, i.e. having a valve member that moves perpendicularly to the234
- F02M 63/004Sliding valves186
- F02M 63/005Pressure relief valves164
- F02M 63/0045Three-way valves141
- F02M 63/0043Two-way valves112
- F02M 63/0054Check valves86
- F02M 63/0049Combined valve units78
- F02M 63/0056Throttling valves64
All 10 subgroupsShow fewer
Recent patents
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Most cited
By later US patents
- Hydraulically-actuated electronically-controlled unit injector fuel system having variable control of actuating fluid pressure125US 5,191,867 ACaterpillar Inc. · 1993
- High speed fuel injector106US 5,460,329 A1995
- System and methods for electronic control of an accumulator fuel system101US 5,678,521 ACummins Engine Company, Inc. · 1997
- Piezoelectric controlled common rail injector with hydraulic amplification of piezoelectric stroke99US 5,779,149 ASiemens Automotive Corporation · 1998
- Pressure-controlled fuel injection for internal combustion engines86US 4,628,881 ABKM, Inc. · 1986