B64C 27/028
Other constructional elements
Official title: {Other constructional elements; Rotor balancing}
B64C27/028 (Other constructional elements) appears on 15 US grants and 19 published applications in this corpus.
Search patents in B64C- Granted patents
- 15
- Published applications
- 19
- Assignees
- 9
- Inventors
- 21
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 2 |
| 2020 | 1 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 8 |
| 2023 | 2 | 2 |
| 2024 | 3 | 0 |
| 2025 | 2 | 2 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Autorotating payload delivery device23 Jun 2026US 12,662,241 B2AeroVironment, Inc.
- Autorotating payload delivery device9 Jun 2026US 12,649,569 B2AeroVironment, Inc.
- Method of assemblying and operating an autorotating payload delivery device7 Oct 2025US 12,434,822 B2AeroVironment, Inc.
- Mast dampener for a rotorcraft2 Sep 2025US 12,404,018 B2Jaunt Air Mobility, LLC
- Hybrid gyrodyne aircraft14 May 2024US 11,983,018 B2Aergility Corporation
- Autorotating payload delivery device24 Sep 2026US 2026/0285480 A1AeroVironment, Inc.
- Autorotating payload delivery device17 Sep 2026US 2026/0274402 A1AeroVironment, Inc.
- Method of assemblying and operating an autorotating payload delivery device1 Jan 2026US 2026/0001645 A1AeroVironment, Inc.
- Autorotating payload delivery device13 Feb 2025US 2025/0051007 A1AeroVironment, Inc.
- Autorotating payload delivery device13 Feb 2025US 2025/0051008 A1AeroVironment, Inc.
Most cited
By later US patents
- Tandem-rotor gyroplane42US 6,089,501 A2000
- Retractable VTOL rotor systems and methods15US 10,894,599 B1Uav Factory Sia · 2021
- Hybrid gyrodyne aircraft12US 11,829,161 B2Aergility Corporation · 2023
- System and method for adjusting helicopter blade trim tabs9US 6,644,081 B12003
- Method for determining the angle of a rotor blade pertaining to a wind energy installation9US 7,052,232 B22006