B64D 33/04
Arrangement in aircraft of power plant parts or auxiliaries not otherwise provided
Official title: of exhaust outlets or jet pipes
B64D33/04 (Arrangement in aircraft of power plant parts or auxiliaries not otherwise provided) appears on 817 US grants and 822 published applications in this corpus.
Search patents in B64D- Granted patents
- 817
- Published applications
- 822
- Assignees
- 221
- Inventors
- 1,474
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 15 | 0 |
| 1977 | 6 | 0 |
| 1978 | 3 | 0 |
| 1979 | 4 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 9 | 0 |
| 1988 | 6 | 0 |
| 1989 | 10 | 0 |
| 1990 | 1 | 0 |
| 1991 | 5 | 0 |
| 1992 | 5 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 5 | 0 |
| 1997 | 5 | 0 |
| 1998 | 12 | 0 |
| 1999 | 10 | 0 |
| 2000 | 13 | 0 |
| 2001 | 8 | 1 |
| 2002 | 7 | 10 |
| 2003 | 14 | 15 |
| 2004 | 10 | 9 |
| 2005 | 11 | 11 |
| 2006 | 6 | 5 |
| 2007 | 4 | 13 |
| 2008 | 4 | 19 |
| 2009 | 7 | 15 |
| 2010 | 18 | 25 |
| 2011 | 19 | 23 |
| 2012 | 15 | 22 |
| 2013 | 20 | 35 |
| 2014 | 32 | 26 |
| 2015 | 20 | 45 |
| 2016 | 23 | 38 |
| 2017 | 49 | 50 |
| 2018 | 36 | 60 |
| 2019 | 49 | 47 |
| 2020 | 42 | 67 |
| 2021 | 60 | 60 |
| 2022 | 59 | 66 |
| 2023 | 53 | 42 |
| 2024 | 47 | 54 |
| 2025 | 40 | 31 |
| 2026 | 31 | 33 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Exhaust duct1 Sep 2026US 12,722,793 B2BAE SYSTEMS plc
- Aircraft powerplant exhaust section with flow diverter1 Sep 2026US 12,723,555 B2Pratt & Whitney Canada Corp.
- Rotorcraft with powerplant exhaust sound attenuation25 Aug 2026US 12,715,576 B2Pratt & Whitney Canada Corp.
- Method for forming a sound attenuation structure provided with s-shaped cells11 Aug 2026US 12,703,154 B2Safran
- Configuration for vertical take-off and landing system for aerial vehicles4 Aug 2026US 12,698,080 B2Jetoptera, Inc.
- Acoustic attenuation structure provided with s-shaped cells having drained barriers and method for manufacturing same8 Oct 2026US 2026/0307816 A1
- Lifting apparatus for aerial vehicle24 Sep 2026US 2026/0285494 A1Changinaviation Co., Ltd.
- Vertical take-off and landing aircraft3 Sep 2026US 2026/0257806 A1
- Ducted fan air vehicle13 Aug 2026US 2026/0233828 A1Venture Kel Inc.
- Unducted propulsion system30 Jul 2026US 2026/0218650 A1General Electric Company
Most cited
By later US patents
- Tortuous path quiet exhaust eductor system134US 6,615,576 B2Honeywell International Inc. · 2003
- Infrared radiation suppressor for gas turbine engine113US 4,018,046 AAvco Corporation · 1977
- Gas turbine exhaust nozzle for controlled temperature flow across adjoining airfoils112US 4,066,214 AAeritalia S.p.A. · 1978
- Fluid mixer with an integral fluid capture ducts forming auxiliary secondary chutes at the discharge end of said ducts90US 7,434,384 B2United Technologies Corporation · 2008
- Sinuous chevron exhaust nozzle87US 7,305,817 B2General Electric Company · 2007