F02K 3/075
Controlling flow ratio between flows
Official title: controlling flow ratio between flows
F02K3/075 (Controlling flow ratio between flows) appears on 526 US grants and 503 published applications in this corpus.
Search patents in F02K- Granted patents
- 526
- Published applications
- 503
- Assignees
- 87
- Inventors
- 779
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 8 | 0 |
| 1978 | 5 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 5 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 5 | 0 |
| 1991 | 7 | 0 |
| 1992 | 3 | 0 |
| 1993 | 8 | 0 |
| 1994 | 9 | 0 |
| 1995 | 8 | 0 |
| 1996 | 0 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 1 |
| 2002 | 4 | 4 |
| 2003 | 7 | 10 |
| 2004 | 3 | 2 |
| 2005 | 9 | 5 |
| 2006 | 3 | 7 |
| 2007 | 2 | 11 |
| 2008 | 5 | 20 |
| 2009 | 8 | 20 |
| 2010 | 9 | 26 |
| 2011 | 11 | 17 |
| 2012 | 19 | 20 |
| 2013 | 15 | 29 |
| 2014 | 21 | 27 |
| 2015 | 24 | 35 |
| 2016 | 18 | 42 |
| 2017 | 15 | 31 |
| 2018 | 46 | 25 |
| 2019 | 43 | 23 |
| 2020 | 23 | 39 |
| 2021 | 21 | 15 |
| 2022 | 34 | 24 |
| 2023 | 30 | 20 |
| 2024 | 24 | 12 |
| 2025 | 24 | 23 |
| 2026 | 10 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Variable specific thrust turbofan engine152US 5,261,227 AGeneral Electric Company · 1993
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- Variable cycle gas turbine engines129US 4,064,692 AThe United States of America as represented by the Administrator of the National Aeronautics and Space Administration · 1977
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