F02M 19/02
Metering-orifices
Official title: Metering-orifices, e.g. variable in diameter (variable during operation F02M7/18)
F02M19/02 (Metering-orifices) appears on 116 US grants and 52 published applications in this corpus.
Search patents in F02M- Granted patents
- 116
- Published applications
- 52
- Assignees
- 51
- Inventors
- 151
- Latest grant
- 12 Mar 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 5 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 5 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 4 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 1 |
| 2006 | 2 | 1 |
| 2007 | 0 | 0 |
| 2008 | 2 | 1 |
| 2009 | 1 | 1 |
| 2010 | 0 | 1 |
| 2011 | 2 | 3 |
| 2012 | 3 | 4 |
| 2013 | 2 | 4 |
| 2014 | 1 | 4 |
| 2015 | 3 | 6 |
| 2016 | 4 | 1 |
| 2017 | 4 | 3 |
| 2018 | 0 | 2 |
| 2019 | 5 | 8 |
| 2020 | 5 | 3 |
| 2021 | 6 | 5 |
| 2022 | 6 | 2 |
| 2023 | 0 | 1 |
| 2024 | 2 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
- F02M 19/021The cross-sectional area being changed mechanically19
- F02M 19/0235Arrangements of several spray nozzles not provided for in f02m3/00 or f02m11/0018
- F02M 19/0207The cross-sectional area being changed electrically14
- F02M 19/0228Ring nozzles11
- F02M 19/0217Movable mushroom-shaped spray nozzles9
- F02M 19/0225Arrangement of nozzle in the suction passage8
- F02M 19/025Metering orifices not variable in diameter8
- F02M 19/0221With a roughened spray stimulating surface or the like2
All 14 subgroupsShow fewer
- F02M 19/0203The cross-sectional area being changed pneumatically1
- F02M 19/0214Changing the nozzle cross-sectional area as a function of temperature1
- F02M 19/0239In a fixed aerofoil profile1
- F02M 19/0242With inserts of porous material1
- F02M 19/0246Nozzle cleaning1
- F02M 19/0232Fuel nozzle with device for return flow of leaked fuel0
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Most cited
By later US patents
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- Adjustable incline system for exercise equipment150US 5,372,559 AWeslo, Inc. · 1994
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