B64C 2230/04
Boundary layer controls: by actively generating fluid flow
Official title: by actively generating fluid flow
B64C2230/04 (Boundary layer controls: by actively generating fluid flow) appears on 361 US grants and 261 published applications in this corpus.
Search patents in B64C- Granted patents
- 361
- Published applications
- 261
- Assignees
- 109
- Inventors
- 511
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 6 | 0 |
| 1984 | 5 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 8 | 0 |
| 1988 | 7 | 0 |
| 1989 | 5 | 0 |
| 1990 | 6 | 0 |
| 1991 | 5 | 0 |
| 1992 | 9 | 0 |
| 1993 | 5 | 0 |
| 1994 | 6 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 10 | 0 |
| 1999 | 12 | 0 |
| 2000 | 14 | 0 |
| 2001 | 5 | 0 |
| 2002 | 7 | 4 |
| 2003 | 4 | 3 |
| 2004 | 3 | 3 |
| 2005 | 1 | 6 |
| 2006 | 2 | 4 |
| 2007 | 4 | 6 |
| 2008 | 2 | 1 |
| 2009 | 4 | 10 |
| 2010 | 4 | 8 |
| 2011 | 3 | 3 |
| 2012 | 7 | 9 |
| 2013 | 8 | 9 |
| 2014 | 5 | 6 |
| 2015 | 9 | 8 |
| 2016 | 6 | 7 |
| 2017 | 8 | 25 |
| 2018 | 13 | 34 |
| 2019 | 26 | 31 |
| 2020 | 28 | 26 |
| 2021 | 31 | 17 |
| 2022 | 27 | 14 |
| 2023 | 11 | 9 |
| 2024 | 7 | 7 |
| 2025 | 10 | 5 |
| 2026 | 6 | 6 |
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.
- Ejector and airfoil configurations3 Mar 2026US 12,565,327 B2Jetoptera, Inc.
- Uniform exhaust sheet and flow turning control24 Feb 2026US 12,559,227 B1Whisper Aero Inc.
- Boat propulsion system17 Feb 2026US 12,552,504 B2Bound 4 Blue, S.L.
- Fluidic propulsive system10 Feb 2026US 12,545,423 B2Jetoptera, Inc.
- Wake Filling for Propeller Noise Reduction13 Aug 2026US 2026/0233829 A1Textron Aviation Inc.
- Apparatus and method for fluid manipulation9 Jul 2026US 2026/0194082 A1
- Configuration for vertical take-off and landing system for aerial vehicles18 Jun 2026US 2026/0167330 A1Jetoptera, Inc.
- Fluidic propulsive system21 May 2026US 2026/0138751 A1Jetoptera, Inc.
- Uniform Exhaust Sheet and Flow Turning Control26 Feb 2026US 2026/0054826 A1Whisper Aero Inc.
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