F01D 17/26
Fluid
Official title: fluid, e.g. hydraulic
F01D17/26 (Fluid) appears on 102 US grants and 91 published applications in this corpus.
Search patents in F01D- Granted patents
- 102
- Published applications
- 91
- Assignees
- 53
- Inventors
- 239
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 1 |
| 2009 | 2 | 4 |
| 2010 | 1 | 6 |
| 2011 | 3 | 5 |
| 2012 | 4 | 2 |
| 2013 | 3 | 3 |
| 2014 | 3 | 2 |
| 2015 | 0 | 7 |
| 2016 | 1 | 5 |
| 2017 | 6 | 5 |
| 2018 | 3 | 3 |
| 2019 | 6 | 8 |
| 2020 | 6 | 5 |
| 2021 | 7 | 11 |
| 2022 | 4 | 4 |
| 2023 | 5 | 3 |
| 2024 | 8 | 5 |
| 2025 | 6 | 5 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fueldraulic heat management system21 Apr 2026US 12,607,147 B2ROLLS-ROYCE plc
- Element and method for compensation of tolerances and/or gap widths of a device and engine, assembly method for a shaft/hub connection13 Jan 2026US 12,523,160 B2Universität der Bundeswehr München
- Hydraulic drive valve monitoring device9 Dec 2025US 12,492,646 B2Kabushiki Kaisha Toshiba
- Turbine engine comprising an oil supply system2 Dec 2025US 12,486,799 B2Safran Aircraft Engines
- Turbofan engine including a fan actuation system25 Nov 2025US 12,480,415 B2General Electric Company
- Fueldraulic heat management system30 Jul 2026US 2026/0218659 A1ROLLS-ROYCE plc
- Turbo engine including a system to control pitch of a propeller blade4 Jun 2026US 2026/0153033 A1General Electric Company
- Modulated air flow heat exchanger system in bi-fi duct9 Apr 2026US 2026/0098500 A1Rtx Corporation
- Turbofan engine including a fan actuation system19 Feb 2026US 2026/0049557 A1General Electric Company
- Fueldraulic heat management system11 Sep 2025US 2025/0283431 A1ROLLS-ROYCE plc
Most cited
By later US patents
- Dedicated microcomputer-based control system for steam turbine-generators60US 4,280,060 AGeneral Electric Company · 1981
- Memory cell formation using ion implant isolated conductive metal oxide22US 8,003,511 B2Unity Semiconductor Corporation · 2011
- Shut-off valve20US 4,040,600 AGeneral Electric Company · 1977
- Variable guide vane actuator19US 8,066,474 B1Jansen's Aircraft Systems Controls, Inc. · 2011
- Feed device for a two-phase fluid pump and a hydrocarbon producing installation with such feed device16US 4,641,679 AInstitute Francais du Petrole · 1987