B64C 2230/02
Boundary layer controls: by using acoustic waves generated by transducers
Official title: by using acoustic waves generated by transducers
B64C2230/02 (Boundary layer controls: by using acoustic waves generated by transducers) appears on 70 US grants and 43 published applications in this corpus.
Search patents in B64C- Granted patents
- 70
- Published applications
- 43
- Assignees
- 39
- Inventors
- 116
- Latest grant
- 17 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 7 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 0 |
| 2002 | 5 | 2 |
| 2003 | 2 | 2 |
| 2004 | 5 | 4 |
| 2005 | 1 | 1 |
| 2006 | 2 | 6 |
| 2007 | 1 | 2 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 2 | 1 |
| 2011 | 1 | 4 |
| 2012 | 0 | 4 |
| 2013 | 2 | 4 |
| 2014 | 4 | 0 |
| 2015 | 2 | 3 |
| 2016 | 1 | 1 |
| 2017 | 2 | 1 |
| 2018 | 4 | 3 |
| 2019 | 1 | 0 |
| 2020 | 2 | 0 |
| 2021 | 1 | 1 |
| 2022 | 2 | 3 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Steerable rotating projectile17 Jun 2025US 12,330,782 B1
- Maritime vehicle with surface array of transducers controlling drag24 Oct 2023US 11,794,881 B2The United States of America as represented by the Secretary of the Navy
- Vehicle with surface array of transducers controlling drag27 Sep 2022US 11,453,482 B2The United States of America as represented by the Secretary of the Navy
- Steerable rotating projectile25 Jan 2022US 11,230,375 B1
- Virtual aerodynamic surface systems27 Jul 2021US 11,072,413 B2Rohr, Inc.
- Vehicle with Surface Array of Transducers Controlling Drag24 Nov 2022US 2022/0371725 A1The United States of America as represented by the Secretary of the Navy
- Lattice phononic subsurface materials for flow control15 Sep 2022US 2022/0290700 A1The Regents of the Univ. of Colorado, a body corp.
- Structural subsurface material for turbulent flow control15 Sep 2022US 2022/0290701 A1The Reg. of the Univ. of Colorado, a body corp.
- Vehicle with Surface Array of Transducers Controlling Drag16 Dec 2021US 2021/0387719 A1The United States of America as represented by the Secretary of the Navy
- Virtual aerodynamic surface systems13 Sep 2018US 2018/0257756 A1Rohr, Inc.
Most cited
By later US patents
- Synthetic jet actuator and applications thereof162US 5,758,823 AGeorgia Tech Research Corporation · 1998
- Synthetic jet actuators for cooling heated bodies and environments132US 6,123,145 AGeorgia Tech Research Corporation · 2000
- Synthetic jet actuators for modifiying the direction of fluid flows89US 5,988,522 AGeorgia Tech Research Corporation · 1999
- Control of laminar flow in fluids by means of acoustic energy78US 4,802,642 AThe Boeing Company · 1989
- Synthetic jet actuators78US 6,722,581 B2General Electric Company · 2004