F05D 2270/021
To prevent overspeed
Official title: to prevent overspeed
F05D2270/021 (To prevent overspeed) appears on 219 US grants and 229 published applications in this corpus.
Search patents in F05D- Granted patents
- 219
- Published applications
- 229
- Assignees
- 86
- Inventors
- 465
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 5 | 1 |
| 2002 | 3 | 2 |
| 2003 | 3 | 2 |
| 2004 | 3 | 3 |
| 2005 | 5 | 3 |
| 2006 | 4 | 4 |
| 2007 | 3 | 5 |
| 2008 | 6 | 7 |
| 2009 | 1 | 3 |
| 2010 | 4 | 4 |
| 2011 | 1 | 4 |
| 2012 | 4 | 4 |
| 2013 | 4 | 10 |
| 2014 | 4 | 5 |
| 2015 | 4 | 5 |
| 2016 | 7 | 15 |
| 2017 | 3 | 43 |
| 2018 | 12 | 17 |
| 2019 | 20 | 12 |
| 2020 | 23 | 19 |
| 2021 | 14 | 20 |
| 2022 | 17 | 18 |
| 2023 | 22 | 8 |
| 2024 | 16 | 8 |
| 2025 | 8 | 3 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for overspeed detection and protection in an engine15 Sep 2026US 12,735,993 B2General Electric Company
- Uncontrollable high thrust (UHT) protection for hybrid-electric aircraft propulsion systems14 Jul 2026US 12,680,513 B2Pratt & Whitney Canada Corp.
- Overspeed protection for a turbocompressor of an aircraft powerplant assembly12 May 2026US 12,624,664 B1Pratt & Whitney Canada Corp.
- Turbine overspeed protection2 Dec 2025US 12,486,784 B2ROLLS-ROYCE plc
- Testing mechanical overspeed protection systems28 Oct 2025US 12,454,895 B2
- The sequence in which safety functions are activated in propeller governors or controllers to mitigate undesirable effects occurring during flight27 Aug 2026US 2026/0249979 A1Pratt & Whitney Canada Corp.
- Turbo-expander overspeed protection20 Aug 2026US 2026/0243203 A1NET Power LLC
- Uncontrollable high thrust (uht) protection for hybrid-electric aircraft propulsion systems2 Jul 2026US 2026/0185492 A1Pratt & Whitney Canada Corp.
- Turbofan engine including a fan actuation system18 Jun 2026US 2026/0168511 A1General Electric Company
- System for piloting an aircraft, associated aircraft and method10 Apr 2025US 2025/0115351 A1Dassault Aviation
Most cited
By later US patents
- Multi-compatible digital engine controller179US 9,429,078 B1Tucson Embedded Systems, Inc. · 2016
- Gas turbine engine overspeed prevention178US 9,689,316 B1Tucson Embedded Systems, Inc. · 2017
- Controller assembly for simultaneously managing multiple engine/pump assemblies to perform shared work171US 10,415,557 B1Tucson Embedded Systems, Inc. · 2019
- Pump-engine controller169US 9,869,305 B1Tucson Embedded Systems, Inc. · 2018
- Multi-compatible digital engine controller169US 9,879,609 B1Tucson Embedded Systems, Inc. · 2018