F05D 2260/84
Redundancy
F05D2260/84 (Redundancy) appears on 135 US grants and 165 published applications in this corpus.
Search patents in F05D- Granted patents
- 135
- Published applications
- 165
- Assignees
- 76
- Inventors
- 337
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2001 | 0 | 1 |
| 2002 | 3 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 3 |
| 2011 | 2 | 1 |
| 2012 | 1 | 0 |
| 2013 | 1 | 2 |
| 2014 | 0 | 4 |
| 2015 | 3 | 5 |
| 2016 | 2 | 8 |
| 2017 | 4 | 9 |
| 2018 | 7 | 12 |
| 2019 | 10 | 15 |
| 2020 | 7 | 19 |
| 2021 | 16 | 24 |
| 2022 | 21 | 18 |
| 2023 | 22 | 18 |
| 2024 | 18 | 14 |
| 2025 | 13 | 6 |
| 2026 | 3 | 0 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Pressure regulating shut-off valve25 Aug 2026US 12,717,359 B2Microtecnica S.R.L.
- Piston seal ring10 Mar 2026US 12,571,472 B2Rtx Corporation
- Accommodation for mismatch in guide vane feedback via undesired engine behavior6 Jan 2026US 12,516,636 B1Pratt & Whitney Canada Corp.
- Method and apparatus for controlling electrical machines operating with a turbine engine4 Nov 2025US 12,459,659 B2General Electric Company
- Aircraft system operational testing4 Nov 2025US 12,459,671 B2The Boeing Company
- Adaptive manufacturing using ct scan data13 Nov 2025US 2025/0345856 A1Pratt & Whitney Canada Corp.
- Electric motor driven auxiliary oil system for geared gas turbine engine22 May 2025US 2025/0164003 A1Rtx Corporation
- Compressor for a fuel-cell system, and fuel-cell system having same20 Mar 2025US 2025/0092879 A1ZF CV Systems Global GmbH
- Controllable fuel nozzle valves with redundancy6 Mar 2025US 2025/0075661 A1Hamilton Sundstrand Corporation
- Method of operating a lubrication system for a turbine engine30 Jan 2025US 2025/0035013 A1General Electric Company
Most cited
By later US patents
- Gas turbine aeroengine control system36US 6,353,790 B1Honda Giken Kogyo Kabushiki Kaisha · 2002
- Robust engine variable vane monitor logic15US 6,341,238 B12002
- Emergency power engine restart system14US 7,937,949 B2Honeywell International Inc. · 2011
- Gas turbine engine system having a disengageable electric machine13US 10,125,692 B2ROLLS-ROYCE plc · 2018
- Auxiliary oil system for geared gas turbine engine12US 11,203,974 B2Raytheon Technologies Corporation · 2021