B64D 2033/0286
For turbofan engines
Official title: {for turbofan engines}
B64D2033/0286 (For turbofan engines) appears on 348 US grants and 343 published applications in this corpus.
Search patents in B64D- Granted patents
- 348
- Published applications
- 343
- Assignees
- 78
- Inventors
- 607
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 5 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 1 | 0 |
| 1999 | 5 | 0 |
| 2000 | 8 | 0 |
| 2001 | 7 | 0 |
| 2002 | 3 | 5 |
| 2003 | 4 | 3 |
| 2004 | 3 | 2 |
| 2005 | 4 | 11 |
| 2006 | 4 | 4 |
| 2007 | 5 | 3 |
| 2008 | 2 | 7 |
| 2009 | 2 | 12 |
| 2010 | 3 | 16 |
| 2011 | 11 | 29 |
| 2012 | 13 | 13 |
| 2013 | 4 | 15 |
| 2014 | 24 | 13 |
| 2015 | 16 | 16 |
| 2016 | 14 | 22 |
| 2017 | 7 | 15 |
| 2018 | 14 | 18 |
| 2019 | 26 | 14 |
| 2020 | 14 | 36 |
| 2021 | 19 | 25 |
| 2022 | 27 | 23 |
| 2023 | 23 | 7 |
| 2024 | 18 | 15 |
| 2025 | 14 | 9 |
| 2026 | 13 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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Most cited
By later US patents
- Noise reducing air inlet for gas turbine engines201US 4,240,250 AThe Boeing Company · 1980
- Nacelle inlet for an aircraft gas turbine engine196US 5,058,617 AGeneral Electric Company · 1991
- Gas turbine engine nacelle189US 4,722,357 AUnited Technologies Corporation · 1988
- Curved centerline air intake for a gas turbine engine171US 4,220,171 AThe United States of America as represented by the Administrator of the National Aeronautics and Space Administration · 1980
- Separator having multiple particle extraction passageways83US 4,928,480 AGeneral Electric Company · 1990