B64C 11/42
Non-automatic
Official title: non-automatic
B64C11/42 (Non-automatic) appears on 23 US grants and 25 published applications in this corpus.
Search patents in B64C- Granted patents
- 23
- Published applications
- 25
- Assignees
- 15
- Inventors
- 51
- Latest grant
- 16 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 2 |
| 2013 | 1 | 1 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 2 | 2 |
| 2017 | 1 | 1 |
| 2018 | 0 | 1 |
| 2019 | 2 | 3 |
| 2020 | 4 | 5 |
| 2021 | 3 | 1 |
| 2022 | 3 | 0 |
| 2023 | 0 | 0 |
| 2024 | 3 | 5 |
| 2025 | 2 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Pitch change mechanism for a fan of a gas turbine engine16 Dec 2025US 12,497,902 B2General Electric Company
- Systems and methods for controlling propeller control unit fluid pressure11 Nov 2025US 12,466,545 B2Pratt & Whitney Canada Corp.
- Variable pitch fan of a gas turbine engine8 Oct 2024US 12,110,903 B2GE Avio S. r. l.
- Pitch change mechanism for a fan of a gas turbine engine30 Apr 2024US 11,970,956 B2General Electric Company
- Propeller speed overshoot preventing logic23 Apr 2024US 11,964,750 B2General Electric Company
- Pitch change mechanism for a fan of a gas turbine engine19 Mar 2026US 2026/0078680 A1General Electric Company
- Pitch change mechanism for a fan of a gas turbine engine15 Aug 2024US 2024/0271539 A1General Electric Company
- Systems and methods for controlling propeller control unit fluid pressure9 May 2024US 2024/0150010 A1Pratt & Whitney Canada Corp.
- Variable pitch fan of a gas turbine engine9 May 2024US 2024/0151240 A1GE Avio S. r. l.
- Gear pump, drive device and adjustable-pitch propeller2 May 2024US 2024/0140612 A1Rolls-Royce Deutschland Ltd & Co KG
Most cited
By later US patents
- Electrical system for driving a propeller pitch change mechanism15US 8,167,553 B2Hamilton Sundstrand Corporation · 2012
- Method of controlling a propeller with two-position solenoid5US 11,059,567 B2Pratt & Whitney Canada Corp. · 2021
- Propeller blade pitch angle feedback from actuator rotation4US 11,479,339 B2Hamilton Sundstrand Corporation · 2022
- Variable pitch propeller3US 4,678,402 A1987
- Pitch control assembly2US 10,384,763 B2GE Aviation Systems LLC · 2019