F05D 2260/963
By helmholtz resonators
Official title: by Helmholtz resonators
F05D2260/963 (By helmholtz resonators) appears on 275 US grants and 337 published applications in this corpus.
Search patents in F05D- Granted patents
- 275
- Published applications
- 337
- Assignees
- 81
- Inventors
- 645
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 2 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 2 |
| 2007 | 0 | 1 |
| 2008 | 2 | 2 |
| 2009 | 1 | 2 |
| 2010 | 0 | 5 |
| 2011 | 4 | 2 |
| 2012 | 1 | 5 |
| 2013 | 4 | 8 |
| 2014 | 5 | 9 |
| 2015 | 8 | 18 |
| 2016 | 8 | 18 |
| 2017 | 11 | 18 |
| 2018 | 19 | 35 |
| 2019 | 23 | 22 |
| 2020 | 27 | 42 |
| 2021 | 22 | 20 |
| 2022 | 38 | 40 |
| 2023 | 28 | 28 |
| 2024 | 38 | 20 |
| 2025 | 22 | 20 |
| 2026 | 9 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Method and apparatus for aircraft inlet ice protection43US 6,371,411 B1The Boeing Company · 2002
- Method and apparatus for aircraft inlet ice protection42US 6,457,676 B1The Boeing Company · 2002
- Airfoil acoustic impedance control41US 7,607,287 B2United Technologies Corporation · 2009
- Hybrid mode-scattering/sound-absorbing segmented liner system and method38US 5,979,593 AHersh Acoustical Engineering, Inc. · 1999
- Acoustic liner with varied properties32US 10,066,548 B2United Technologies Corporation · 2018