B64C 11/32
Mechanical
Official title: mechanical
B64C11/32 (Mechanical) appears on 304 US grants and 309 published applications in this corpus.
Search patents in B64C- Granted patents
- 304
- Published applications
- 309
- Assignees
- 101
- Inventors
- 528
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 0 | 0 |
| 1992 | 6 | 0 |
| 1993 | 5 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 2 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 2 |
| 2010 | 0 | 6 |
| 2011 | 1 | 5 |
| 2012 | 5 | 8 |
| 2013 | 2 | 6 |
| 2014 | 10 | 7 |
| 2015 | 8 | 8 |
| 2016 | 11 | 15 |
| 2017 | 10 | 26 |
| 2018 | 14 | 34 |
| 2019 | 28 | 27 |
| 2020 | 36 | 28 |
| 2021 | 34 | 26 |
| 2022 | 25 | 18 |
| 2023 | 24 | 17 |
| 2024 | 18 | 26 |
| 2025 | 29 | 11 |
| 2026 | 10 | 33 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Battery and engine architecture for VTOL aircraft25 Aug 2026US 12,715,578 B2Archer Aviation Inc.
- Propeller propulsion system for aircraft including means for adjusting the blade angle of the blades of the propeller and aircraft including such a propulsion system28 Jul 2026US 12,691,997 B2Airbus Operations GmbH
- Disengagement for reverse propeller protection26 May 2026US 12,637,202 B2Pratt & Whitney Canada Corp.
- Covering system and method for a pitch link of a helicopter14 Apr 2026US 12,600,461 B2The Boeing Company
- Propulsor assembly for a turbine engine10 Mar 2026US 12,571,405 B1GE AEROSPACE POLAND sp. z o. o.
- Variable-pitch propeller passively controlled by thrust8 Oct 2026US 2026/0307780 A1Lockheed Martin Corporation
- Automated Variable Pitch Propeller Blade10 Sep 2026US 2026/0264842 A1Skydio, Inc.
- Disengagement for reverse propeller protection3 Sep 2026US 2026/0257786 A1Pratt & Whitney Canada Corp.
- Redundant Blade Pitch Mechanism With Control Links And Geared Coupling And Aircraft Using Same3 Sep 2026US 2026/0257787 A1
- Method and avionics device for controlling the pitch angle of a fan or propeller of an aircraft powertrain27 Aug 2026US 2026/0249980 A1Airbus Operations GmbH
Most cited
By later US patents
- Pitch change mechanism100US 5,174,716 AGeneral Electric Company · 1992
- Vertical takeoff and landing (VTOL) air vehicle59US 9,834,305 B2AeroVironment, Inc. · 2017
- EVTOL aircraft using large, variable speed tilt rotors58US 10,351,235 B2Karem Aircraft, Inc. · 2019
- Quad mode fan pitch actuation system for a gas turbine engine54US 5,282,719 AAlliedSignal Inc. · 1994
- Pitch change mechanism for prop fans43US 5,152,668 AGeneral Electric Company · 1992