B64C 2230/14
Achieving noise reductions
Official title: achieving noise reductions
B64C2230/14 (Achieving noise reductions) appears on 119 US grants and 110 published applications in this corpus.
Search patents in B64C- Granted patents
- 119
- Published applications
- 110
- Assignees
- 62
- Inventors
- 282
- Latest grant
- 11 Aug 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 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 6 | 0 |
| 1999 | 8 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 1 |
| 2002 | 5 | 0 |
| 2003 | 1 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 2 |
| 2010 | 0 | 3 |
| 2011 | 2 | 3 |
| 2012 | 1 | 6 |
| 2013 | 2 | 5 |
| 2014 | 5 | 4 |
| 2015 | 5 | 5 |
| 2016 | 7 | 6 |
| 2017 | 8 | 21 |
| 2018 | 7 | 8 |
| 2019 | 12 | 5 |
| 2020 | 13 | 8 |
| 2021 | 3 | 8 |
| 2022 | 5 | 6 |
| 2023 | 6 | 5 |
| 2024 | 5 | 4 |
| 2025 | 3 | 4 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cavity acoustic tones suppression11 Aug 2026US 12,703,480 B2BAE SYSTEMS plc
- Cavity acoustic tones suppression21 Apr 2026US 12,606,297 B2BAE SYSTEMS plc
- Air inlet device comprising at least one helical partition and aircraft comprising at least one air inlet device of this kind3 Mar 2026US 12,565,299 B2Airbus Operations GmbH
- Acoustic attenuation device for an aircraft propulsion unit30 Dec 2025US 12,509,215 B2Safran Aircraft Engines
- Cavity19 Aug 2025US 12,391,369 B2Tusas- Turk Havacilik Ve Uzay Sanayii Anonim Sirketi
- Wake Filling for Propeller Noise Reduction13 Aug 2026US 2026/0233829 A1Textron Aviation Inc.
- Propellers23 Jul 2026US 2026/0208854 A1OnwardAir, Inc.
- Open Rotor Propulsion System with Acoustic Treatment16 Jul 2026US 2026/0200586 A1Rtx Corporation
- Air inlet device comprising at least one helical partition and aircraft comprising at least one air inlet device of this kind4 Dec 2025US 2025/0368309 A1Airbus Operations GmbH
- Cavity acoustic tones suppression8 May 2025US 2025/0145278 A1BAE SYSTEMS plc
Most cited
By later US patents
- Synthetic jet actuator and applications thereof162US 5,758,823 AGeorgia Tech Research Corporation · 1998
- Reduction of turbomachinery noise149US 6,004,095 AMassachusetts Institute of Technology · 1999
- Synthetic jet actuators for cooling heated bodies and environments132US 6,123,145 AGeorgia Tech Research Corporation · 2000
- Micromachined synthetic jet actuators and applications thereof91US 6,457,654 B1Georgia Tech Research Corporation · 2002
- Synthetic jet actuators for modifiying the direction of fluid flows89US 5,988,522 AGeorgia Tech Research Corporation · 1999