F05D 2270/10
To cope with, or avoid, compressor flow instabilities
Official title: to cope with, or avoid, compressor flow instabilities
F05D2270/10 (To cope with, or avoid, compressor flow instabilities) appears on 456 US grants and 507 published applications in this corpus.
Search patents in F05D- Granted patents
- 456
- Published applications
- 507
- Assignees
- 138
- Inventors
- 987
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 1 |
| 2002 | 4 | 8 |
| 2003 | 9 | 6 |
| 2004 | 5 | 3 |
| 2005 | 2 | 7 |
| 2006 | 1 | 5 |
| 2007 | 3 | 6 |
| 2008 | 7 | 10 |
| 2009 | 6 | 14 |
| 2010 | 7 | 19 |
| 2011 | 4 | 13 |
| 2012 | 17 | 11 |
| 2013 | 8 | 19 |
| 2014 | 12 | 19 |
| 2015 | 15 | 16 |
| 2016 | 13 | 41 |
| 2017 | 19 | 44 |
| 2018 | 26 | 33 |
| 2019 | 34 | 25 |
| 2020 | 35 | 57 |
| 2021 | 42 | 39 |
| 2022 | 46 | 30 |
| 2023 | 35 | 31 |
| 2024 | 33 | 20 |
| 2025 | 25 | 10 |
| 2026 | 6 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Anti-stall system with a fuel cell22 Sep 2026US 12,742,425 B2General Electric Company
- Method and unit for controlling a motor assembly14 Apr 2026US 12,600,486 B2Safran Aircraft Engines
- Engine system and method of operating the same14 Apr 2026US 12,601,303 B2ROLLS-ROYCE plc
- Treatment of non-axisymmetric casing with controlled opening10 Feb 2026US 12,546,336 B2Safran
- Compressor stall mitigation6 Jan 2026US 12,516,635 B2General Electric Company
- Ratio unit based system for filling a fuel manifold of a gas turbine engine10 Sep 2026US 2026/0266228 A1Pratt & Whitney Canada Corp.
- Aircraft engine power management for large generator loads6 Aug 2026US 2026/0226865 A1Honeywell International Inc.
- Aeronautical thruster23 Jul 2026US 2026/0208853 A1Centre National de la Recherche Scientifique (CNRS)
- Idle speed maintenance control method and device9 Jul 2026US 2026/0194022 A1Safran Aircraft Engines
- Method for checking bleed-off valve closing point2 Jul 2026US 2026/0185458 A1Pratt & Whitney Canada Corp.
Most cited
By later US patents
- Compressor stall and surge control using airflow asymmetry measurement414US 5,915,917 AUnited Technologies Corporation · 1999
- System and method for controlling the working line position in a gas turbine engine compressor106US 7,762,084 B2Rolls-Royce Canada, Ltd. · 2010
- Method and apparatus for detecting and compensating for compressor surge in a gas turbine using remote monitoring and diagnostics59US 6,438,484 B1General Electric Company · 2002
- Active vaned passage casing treatment53US 5,431,533 AUnited Technologies Corporation · 1995
- Flow control method and means51US 5,340,271 AROLLS-ROYCE plc · 1994