B64C 11/303
Characterised by comprising a governor
Official title: {characterised by comprising a governor}
B64C11/303 (Characterised by comprising a governor) appears on 61 US grants and 71 published applications in this corpus.
Search patents in B64C- Granted patents
- 61
- Published applications
- 71
- Assignees
- 32
- Inventors
- 132
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 2 | 2 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 1 | 3 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 1 | 1 |
| 2013 | 1 | 1 |
| 2014 | 2 | 1 |
| 2015 | 2 | 2 |
| 2016 | 0 | 1 |
| 2017 | 1 | 1 |
| 2018 | 3 | 6 |
| 2019 | 1 | 4 |
| 2020 | 5 | 12 |
| 2021 | 4 | 4 |
| 2022 | 2 | 10 |
| 2023 | 11 | 6 |
| 2024 | 11 | 5 |
| 2025 | 3 | 5 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Control system for open rotor propulsion system with one or more sensors9 Jun 2026US 12,650,085 B1Rtx Corporation
- Protection system13 Jan 2026US 12,522,346 B2Ratier-Figeac SAS
- Pitch change mechanism for a fan of a gas turbine engine16 Dec 2025US 12,497,902 B2General Electric Company
- Model-based speed governing for variable-pitch propeller2 Dec 2025US 12,486,023 B2Pratt & Whitney Canada Corp.
- Propeller for an aircraft turbomachine8 Jul 2025US 12,351,294 B2Safran Aircraft Engines
- 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
- Method and avionics device for controlling the pitch angle of a fan or propeller of an aircraft powertrain27 Aug 2026US 2026/0250015 A1Airbus Operations GmbH
- Starting open rotor propulsion system during aircraft flight11 Jun 2026US 2026/0159225 A1Rtx Corporation
- Control system for open rotor propulsion system with one or more sensors11 Jun 2026US 2026/0160179 A1Rtx Corporation
- Pitch change mechanism for a fan of a gas turbine engine19 Mar 2026US 2026/0078680 A1General Electric Company
Most cited
By later US patents
- Electronic propeller control system65US 6,059,528 AUnited Technologies Corporation · 2000
- Counterweighted propeller control system63US 5,897,293 AUnited Technologies Corporation · 1999
- Apparatus and method for dynamic compensation of a propeller pitch speed control governor19US 5,023,793 AUnited Technologies Corporation · 1991
- Method and apparatus for self-contained variable pitch and/or constant speed propeller including provisions for feathering and reverse pitch operation18US 6,672,835 B12004
- Control logic for a propeller system15US 8,651,811 B2Hamilton Sundstrand Corporation · 2014