B64C 11/34
Automatic
Official title: automatic
B64C11/34 (Automatic) appears on 88 US grants and 94 published applications in this corpus.
Search patents in B64C- Granted patents
- 88
- Published applications
- 94
- Assignees
- 45
- Inventors
- 171
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 3 |
| 2013 | 0 | 1 |
| 2014 | 4 | 2 |
| 2015 | 2 | 3 |
| 2016 | 4 | 6 |
| 2017 | 2 | 5 |
| 2018 | 7 | 10 |
| 2019 | 5 | 7 |
| 2020 | 10 | 12 |
| 2021 | 11 | 8 |
| 2022 | 8 | 6 |
| 2023 | 13 | 4 |
| 2024 | 6 | 5 |
| 2025 | 4 | 5 |
| 2026 | 3 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Disengagement for reverse propeller protection26 May 2026US 12,637,202 B2Pratt & Whitney Canada Corp.
- Automated variable pitch propeller blade3 Mar 2026US 12,565,308 B2Skydio, Inc.
- Pitch-change mechanism with pitch-locking device comprising a satellite roller screw17 Feb 2026US 12,553,353 B2Safran Aircraft Engines
- Fan assembly for a gas turbine engine9 Dec 2025US 12,492,708 B1General Electric Company
- Fan module having variable-pitch blades30 Sep 2025US 12,428,966 B2Safran Aircraft Engines
- 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.
- 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
- Swashplateless helicopter and control method thereof27 Aug 2026US 2026/0249987 A1Guangzhou Walkera Technology Co., Ltd
Most cited
By later US patents
- Propeller/fan-pitch feathering apparatus35US 4,913,623 AGeneral Electric Company · 1990
- Ram air turbine32US 4,578,019 AThe Garrett Corporation · 1986
- Control system for non-linear control of a speed setting and a throttle valve in an aircraft engine28US 5,810,560 AToyota Jidosha Kabushiki Kaisha · 1998
- Correlative filter for a synchrophaser27US 5,715,162 AUnited Technologies Corporation · 1998
- Remote shaft driven open rotor propulsion system with electrical power generation18US 8,701,381 B2ROLLS-ROYCE plc · 2014