B64C 2230/06
Boundary layer controls: by explicitly adjusting fluid flow
Official title: by explicitly adjusting fluid flow, e.g. by using valves, variable aperture or slot areas, variable pump action or variable fluid pressure
B64C2230/06 (Boundary layer controls: by explicitly adjusting fluid flow) appears on 264 US grants and 174 published applications in this corpus.
Search patents in B64C- Granted patents
- 264
- Published applications
- 174
- Assignees
- 88
- Inventors
- 388
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 6 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 5 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 7 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 8 | 0 |
| 1999 | 11 | 0 |
| 2000 | 9 | 0 |
| 2001 | 4 | 1 |
| 2002 | 6 | 3 |
| 2003 | 5 | 2 |
| 2004 | 1 | 1 |
| 2005 | 1 | 1 |
| 2006 | 2 | 3 |
| 2007 | 1 | 6 |
| 2008 | 1 | 0 |
| 2009 | 2 | 3 |
| 2010 | 5 | 6 |
| 2011 | 2 | 3 |
| 2012 | 3 | 6 |
| 2013 | 4 | 8 |
| 2014 | 2 | 4 |
| 2015 | 8 | 5 |
| 2016 | 5 | 7 |
| 2017 | 9 | 17 |
| 2018 | 9 | 20 |
| 2019 | 15 | 20 |
| 2020 | 15 | 13 |
| 2021 | 30 | 16 |
| 2022 | 13 | 10 |
| 2023 | 9 | 5 |
| 2024 | 4 | 8 |
| 2025 | 6 | 4 |
| 2026 | 6 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fluidic propulsive system and thrust and lift generator for aerial vehicles4 Aug 2026US 12,698,089 B2Jetoptera, Inc.
- Apparatus of vortex generator and spoiler28 Apr 2026US 12,612,155 B1
- 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
- Ejector and airfoil configurations3 Mar 2026US 12,565,327 B2Jetoptera, Inc.
- Boat propulsion system17 Feb 2026US 12,552,504 B2Bound 4 Blue, S.L.
- Wake Filling for Propeller Noise Reduction13 Aug 2026US 2026/0233829 A1Textron Aviation Inc.
- Fluidic propulsive system21 May 2026US 2026/0138751 A1Jetoptera, Inc.
- 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
- Aerial vehicle fluid control system with multi-way flow regulator11 Sep 2025US 2025/0282473 A1Rtx Corporation
- Phase change heat sink transpiration cooling11 Sep 2025US 2025/0287533 A1Raytheon Company
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
- Aircraft gas turbine engine bleed air energy recovery apparatus119US 5,137,230 AGeneral Electric Company · 1992
- Anti-icing system for aircraft118US 5,114,100 AThe Boeing Company · 1992