B64C 2230/08
Boundary layer controls: by influencing fluid flow by means of surface cavities
Official title: by influencing fluid flow by means of surface cavities, i.e. net fluid flow is null
B64C2230/08 (Boundary layer controls: by influencing fluid flow by means of surface cavities) appears on 42 US grants and 47 published applications in this corpus.
Search patents in B64C- Granted patents
- 42
- Published applications
- 47
- Assignees
- 34
- Inventors
- 106
- Latest grant
- 20 Aug 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 2 | 1 |
| 2008 | 0 | 3 |
| 2009 | 0 | 1 |
| 2010 | 2 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 4 | 8 |
| 2017 | 1 | 3 |
| 2018 | 2 | 2 |
| 2019 | 4 | 3 |
| 2020 | 1 | 12 |
| 2021 | 4 | 3 |
| 2022 | 8 | 2 |
| 2023 | 3 | 1 |
| 2024 | 4 | 1 |
| 2025 | 0 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Spoiling apparatus for triggering turbulent transition by autonomous disturbance and spoilers20 Aug 2024US 12,066,801 B2China Academy of Launch Vehicle Technology
- Micro-cavity actuator for delay of dynamic stall23 Jul 2024US 12,043,372 B1The United States of America as represented by the Secretary of the Air Force
- Removable passive airflow oscillation device and system28 May 2024US 11,994,156 B2Textron Innovations Inc.
- Propeller-driven helicopter or airplane2 Jan 2024US 11,858,617 B2
- Removable passive airflow oscillation device and system14 Mar 2023US 11,603,186 B2Textron Innovations Inc.
- Aerodynamic diverter18 Sep 2025US 2025/0289576 A1ODTÜ Strateji Gelistirme Daire Baskanligi
- Aircraft comprising at least one cavity opening at an aerodynamic wall and provided with a partial reduction in passage section6 Mar 2025US 2025/0074580 A1
- Aircraft generating larger thrust and lift by fluid continuity18 Apr 2024US 2024/0124131 A1
- Removable passive airflow oscillation device and system15 Jun 2023US 2023/0182890 A1Textron Innovations Inc.
- Propeller-driven helicopter or airplane13 Oct 2022US 2022/0324554 A1
Most cited
By later US patents
- Passively driven acoustic jet controlling boundary layers68US 6,379,110 B1United Technologies Corporation · 2002
- Aircraft cavity acoustic resonance suppression system27US 5,699,981 AThe United States of America as represented by the Secretary of the Air Force · 1997
- Apparatus for active fluid control27US 5,983,944 A1999
- High performance synthetic valve/pulsator10US 7,748,664 B2Lockheed Martin Corporation · 2010
- Systems and methods for active control of surface drag8US 11,299,260 B2Deep Science, LLC · 2022