B64C 2027/7211
Without flaps
Official title: {without flaps}
B64C2027/7211 (Without flaps) appears on 116 US grants and 106 published applications in this corpus.
Search patents in B64C- Granted patents
- 116
- Published applications
- 106
- Assignees
- 62
- Inventors
- 210
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 1 |
| 2003 | 2 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 3 |
| 2010 | 1 | 2 |
| 2011 | 1 | 1 |
| 2012 | 4 | 4 |
| 2013 | 1 | 7 |
| 2014 | 7 | 11 |
| 2015 | 7 | 9 |
| 2016 | 9 | 8 |
| 2017 | 8 | 8 |
| 2018 | 2 | 6 |
| 2019 | 9 | 13 |
| 2020 | 15 | 10 |
| 2021 | 8 | 5 |
| 2022 | 5 | 4 |
| 2023 | 8 | 2 |
| 2024 | 3 | 4 |
| 2025 | 5 | 4 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B64C 2027/7216Using one actuator per bladeIndexing code41
- B64C 2027/7222Using airfoil deformationIndexing code23
- B64C 2027/7255Using one or more swash platesIndexing code21
- B64C 2027/7233Using higher-harmonic control [hhc]Indexing code15
- B64C 2027/725Using jets controlled by piezoelectric actuatorsIndexing code10
- B64C 2027/7227Using blowing slots actuated by piezoelectric actuatorsIndexing code3
Recent patents
- Propulsor external hydraulic control system14 Apr 2026US 12,600,469 B2Lockheed Martin Corporation
- Device comprising an asymmetrical adjustable wing profile24 Feb 2026US 12,560,149 B2
- Mast dampener for a rotorcraft2 Sep 2025US 12,404,018 B2Jaunt Air Mobility, LLC
- Electric motor propeller system12 Aug 2025US 12,384,521 B2
- Rotary-wing vehicle, and rotary-wing turbine22 Apr 2025US 12,281,580 B2
- Rotor assemblies and air mobility apparatus including same4 Jun 2026US 2026/0152280 A1Hyundai Motor Company
- Rotor blade assembly for unmanned aerial vehicle systems and methods9 Oct 2025US 2025/0313359 A1FLIR Unmanned Aerial Systems AS
- Cable Tilt Actuator for an Aircraft31 Jul 2025US 2025/0242911 A1Archer Aviation Inc.
- Propulsor external hydraulic control system6 Mar 2025US 2025/0074583 A1Lockheed Martin Corporation
- Device comprising an asymmetrical adjustable wing profile16 Jan 2025US 2025/0020101 A1
Most cited
By later US patents
- Composites for structural control107US 6,048,622 AMassachusetts Institute of Technology · 2000
- Composites for structural control78US 5,869,189 AMassachusetts Institute of Technology · 1999
- Adaptive compliant wing and rotor system46US 7,384,016 B2FlexSys, Inc. · 2008
- 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