F05D 2260/406
Through hydraulic systems
Official title: through hydraulic systems
F05D2260/406 (Through hydraulic systems) appears on 114 US grants and 131 published applications in this corpus.
Search patents in F05D- Granted patents
- 114
- Published applications
- 131
- Assignees
- 55
- Inventors
- 241
- Latest grant
- 21 Jul 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 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 3 |
| 2008 | 2 | 2 |
| 2009 | 3 | 1 |
| 2010 | 1 | 6 |
| 2011 | 1 | 4 |
| 2012 | 7 | 3 |
| 2013 | 1 | 7 |
| 2014 | 2 | 4 |
| 2015 | 4 | 7 |
| 2016 | 7 | 16 |
| 2017 | 7 | 10 |
| 2018 | 7 | 11 |
| 2019 | 14 | 11 |
| 2020 | 11 | 8 |
| 2021 | 8 | 6 |
| 2022 | 7 | 6 |
| 2023 | 5 | 2 |
| 2024 | 9 | 8 |
| 2025 | 11 | 10 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for detecting a mechanical transmission failure21 Jul 2026US 12,687,460 B2Pratt & Whitney Canada Corp.
- Separation tool and method for nozzle segments of gas turbines26 May 2026US 12,636,743 B2GE Vernova Infrastructure Technology LLC
- Three servovalve thrust reverser actuator system7 Apr 2026US 12,595,774 B2Woodward, Inc.
- Turbine engine comprising an oil supply system2 Dec 2025US 12,486,799 B2Safran Aircraft Engines
- Hot exhaust gas energy recovery system28 Oct 2025US 12,454,908 B2
- Turbofan engine including a fan actuation system27 Aug 2026US 2026/0251152 A1General Electric Company
- Three servovalve thrust reverser actuator system23 Jul 2026US 2026/0210311 A1
- Modulated air flow heat exchanger system in bi-fi duct9 Apr 2026US 2026/0098500 A1Rtx Corporation
- Separation tool and method for nozzle segments of gas turbines30 Oct 2025US 2025/0332670 A1GE Vernova Infrastructure Technology LLC
- Gas turbine engine having a hydraulic fan brake18 Sep 2025US 2025/0290430 A1General Electric Company
Most cited
By later US patents
- Hydraulic control and lubrication system with compressed air pre-heat circuit for rapid response at low ambient temperatures24US 5,667,051 ASundstrand Corporation · 1997
- Fuel delivery and control system including a positive displacement actuation pump with a variable pressure regulator supplementing a fixed displacement main fuel pump24US 8,302,406 B2Woodward, Inc. · 2012
- Fuel delivery and control system including a variable displacement actuation pump supplementing a fixed displacement main pump20US 8,166,765 B2Woodward, Inc. · 2012
- Independently-controlled gas turbine inlet guide vanes and variable stator vanes18US 9,068,470 B2General Electric Company · 2015
- Rotation coupling employing torque converter and synchronization motor12US 7,422,543 B2ConocoPhillips Company · 2008