B64C 2027/725
Using jets controlled by piezoelectric actuators
Official title: {using jets controlled by piezoelectric actuators}
B64C2027/725 (Using jets controlled by piezoelectric actuators) appears on 10 US grants and 2 published applications in this corpus.
Search patents in B64C- Granted patents
- 10
- Published applications
- 2
- Assignees
- 6
- Inventors
- 18
- Latest grant
- 1 Sep 2015
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- High speed compound rotary wing aircraft1 Sep 2015US 9,120,567 B2Sikorsky Aircraft Corporation
- Gust alleviation/flutter suppression device23 Nov 2004US 6,821,090 B1McDonnell Douglas Helicopter Company
- Oscillating air jets for implementing blade variable twist, enhancing engine and blade efficiency, and reducing drag, vibration, download and ir signature8 Apr 2003US 6,543,719 B1McDonnell Douglas Helicopter Company
- Use of flow injection and extraction to control blade vortex interaction and high speed impulsive noise in helicopters4 Sep 2001US 6,283,406 B1GTE Service Corporation
- Oscillating air jets for reducing HSI noise22 May 2001US 6,234,751 B1McDonnell Douglas Helicopter Company
Most cited
By later US patents
- Apparatus and method for aerodynamic blowing control using smart materials43US 5,791,601 A1998
- Oscillating air jets for implementing blade variable twist, enhancing engine and blade efficiency, and reducing drag, vibration, download and ir signature39US 6,543,719 B1McDonnell Douglas Helicopter Company · 2003
- Oscillating air jets for helicopter rotor aerodynamic control and BVI noise reduction33US 6,092,990 AMcDonnell Douglas Helicopter Company · 2000
- Apparatus and method for aerodynamic blowing control using smart materials33US 6,142,425 AGeorgia Institute of Technology · 2000
- Oscillating air jets for reducing HSI noise33US 6,234,751 B1McDonnell Douglas Helicopter Company · 2001