F05D 2270/64
Hydraulic actuators
F05D2270/64 (Hydraulic actuators) appears on 181 US grants and 234 published applications in this corpus.
Search patents in F05D- Granted patents
- 181
- Published applications
- 234
- Assignees
- 77
- Inventors
- 397
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 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 | 1 |
| 2006 | 0 | 2 |
| 2007 | 1 | 2 |
| 2008 | 1 | 2 |
| 2009 | 2 | 6 |
| 2010 | 2 | 4 |
| 2011 | 1 | 6 |
| 2012 | 4 | 5 |
| 2013 | 4 | 8 |
| 2014 | 3 | 10 |
| 2015 | 4 | 11 |
| 2016 | 8 | 20 |
| 2017 | 7 | 17 |
| 2018 | 10 | 17 |
| 2019 | 24 | 14 |
| 2020 | 15 | 19 |
| 2021 | 22 | 19 |
| 2022 | 18 | 14 |
| 2023 | 11 | 7 |
| 2024 | 14 | 15 |
| 2025 | 22 | 18 |
| 2026 | 5 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hydraulically supported face seal12 May 2026US 12,624,762 B2Rtx Corporation
- Fueldraulic heat management system21 Apr 2026US 12,607,147 B2ROLLS-ROYCE plc
- Three servovalve thrust reverser actuator system7 Apr 2026US 12,595,774 B2Woodward, Inc.
- Auxiliary oil supply device for an aircraft turbine engine17 Mar 2026US 12,577,891 B2Safran Aircraft Engines
- Multi-modal gas-turbine engine starting10 Mar 2026US 12,571,350 B2ROLLS-ROYCE plc
- Turbofan engine including a fan actuation system8 Oct 2026US 2026/0309162 A1General Electric Company
- Two-speed epicyclic gearbox with clutch for aircraft propulsion system24 Sep 2026US 2026/0286902 A1Pratt & Whitney Canada Corp.
- Gas turbine engine24 Sep 2026US 2026/0286907 A1ROLLS-ROYCE plc
- Turbofan engine including a fan actuation system24 Sep 2026US 2026/0286973 A1General Electric Company
- Adjustable coolant pump with annular slider27 Aug 2026US 2026/0251155 A1Nidec Gpm GmbH
Most cited
By later US patents
- Circumferential gap seal for axial-flow machines39US 4,334,822 AMTU Motoren-und Turbinen-Union Munchen GmbH · 1982
- Centrifugal pump with self-regulating impeller discharge shutter25US 4,802,817 ASundstrand Corporation · 1989
- Variable capacity centrifugal pump23US 4,828,454 AThe United States of America as represented by the Secretary of the Navy · 1989
- Dual pump fuel system with pump sharing connection20US 10,502,138 B2Hamilton Sundstrand Corporation · 2019
- Thermally actuated passive gas turbine engine compartment venting19US 8,991,191 B2General Electric Company · 2015