B64C 2027/004
Using actuators
Official title: {using actuators, e.g. active systems}
B64C2027/004 (Using actuators) appears on 146 US grants and 158 published applications in this corpus.
Search patents in B64C- Granted patents
- 146
- Published applications
- 158
- Assignees
- 42
- Inventors
- 245
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 4 | 1 |
| 2002 | 2 | 2 |
| 2003 | 1 | 2 |
| 2004 | 1 | 2 |
| 2005 | 1 | 2 |
| 2006 | 1 | 4 |
| 2007 | 0 | 1 |
| 2008 | 3 | 1 |
| 2009 | 2 | 2 |
| 2010 | 0 | 2 |
| 2011 | 2 | 2 |
| 2012 | 2 | 5 |
| 2013 | 3 | 4 |
| 2014 | 3 | 5 |
| 2015 | 7 | 21 |
| 2016 | 8 | 7 |
| 2017 | 6 | 42 |
| 2018 | 12 | 13 |
| 2019 | 17 | 10 |
| 2020 | 22 | 9 |
| 2021 | 10 | 4 |
| 2022 | 3 | 7 |
| 2023 | 10 | 2 |
| 2024 | 5 | 3 |
| 2025 | 3 | 2 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Tunable blade assembly, a blade assembly, and a method of controlling vibration12 May 2026US 12,623,773 B2The Boeing Company
- Helicopter active noise suppression device integrating sound array and on-propeller control29 Jul 2025US 12,371,159 B2Nanjing University of Aeronautics and Astronautics
- Anti-resonance system for variable speed rotors8 Jul 2025US 12,351,300 B2
- Tunable blade assembly, a blade assembly, and a method of controlling vibration1 Jul 2025US 12,344,370 B1The Boeing Company
- Tail-rotor vibration dampener system29 Oct 2024US 12,129,021 B2The Boeing Company
- Tunable blade assembly, a blade assembly, and a method of controlling vibration20 Aug 2026US 2026/0242057 A1The Boeing Company
- Aircraft monitoring and control system and method20 Aug 2026US 2026/0244225 A1Honeywell International Inc.
- Tail-rotor vibration dampener system23 Apr 2026US 2026/0109450 A1The Boeing Company
- Active crew seat vibration control18 Dec 2025US 2025/0383008 A1Lockheed Martin Corporation
- Tunable blade assembly, a blade assembly, and a method of controlling vibration18 Sep 2025US 2025/0289566 A1The Boeing Company
Most cited
By later US patents
- Method and apparatus for actively adjusting and controlling a resonant mass-spring system126US 5,456,341 AMoog Inc. · 1995
- Active vibration isolation system employing an electro-rheological fluid64US 4,742,998 ABarry Wright Corporation · 1988
- Inertia force generating device52US 5,005,439 ABarry Wright Corporation · 1991
- Active vibration isolation system51US 4,796,873 ABarry Wright Corporation · 1989
- Integrated vibration reducing and health monitoring system for a helicopter51US 5,383,133 AWestland Helicopters Limited · 1995