F05D 2270/00
Control
F05D2270/00 (Control) appears on 6,083 US grants and 7,048 published applications in this corpus.
Search patents in F05D- Granted patents
- 6,083
- Published applications
- 7,048
- Assignees
- 1,036
- Inventors
- 10,975
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 6 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 10 | 0 |
| 1981 | 8 | 0 |
| 1982 | 10 | 0 |
| 1983 | 6 | 0 |
| 1984 | 20 | 0 |
| 1985 | 15 | 0 |
| 1986 | 10 | 0 |
| 1987 | 9 | 0 |
| 1988 | 13 | 0 |
| 1989 | 14 | 0 |
| 1990 | 7 | 0 |
| 1991 | 11 | 0 |
| 1992 | 18 | 0 |
| 1993 | 16 | 0 |
| 1994 | 24 | 0 |
| 1995 | 22 | 0 |
| 1996 | 22 | 0 |
| 1997 | 16 | 0 |
| 1998 | 24 | 0 |
| 1999 | 20 | 0 |
| 2000 | 23 | 0 |
| 2001 | 34 | 7 |
| 2002 | 51 | 43 |
| 2003 | 58 | 78 |
| 2004 | 77 | 89 |
| 2005 | 52 | 88 |
| 2006 | 72 | 104 |
| 2007 | 63 | 129 |
| 2008 | 77 | 144 |
| 2009 | 82 | 156 |
| 2010 | 102 | 236 |
| 2011 | 106 | 171 |
| 2012 | 148 | 193 |
| 2013 | 181 | 259 |
| 2014 | 182 | 262 |
| 2015 | 168 | 309 |
| 2016 | 214 | 417 |
| 2017 | 272 | 490 |
| 2018 | 331 | 532 |
| 2019 | 458 | 431 |
| 2020 | 475 | 545 |
| 2021 | 472 | 528 |
| 2022 | 498 | 424 |
| 2023 | 509 | 456 |
| 2024 | 459 | 372 |
| 2025 | 429 | 350 |
| 2026 | 181 | 235 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F05D 2270/01Purpose of the control systemIndexing code3,358
- F05D 2270/30Control parametersIndexing code2,732
- F05D 2270/80Devices generating input signalsIndexing code798
- F05D 2270/60Control system actuates meansIndexing code472
- F05D 2270/40Type of control systemIndexing code437
- F05D 2270/70Type of control algorithmIndexing code417
- F05D 2270/50Control logic embodimentsIndexing code273
Recent patents
- Systems and methods of servicing equipment6 Oct 2026US 12,752,747 B2General Electric Company
- Multicore hybrid-electric powertrain controller6 Oct 2026US 12,752,769 B2Pratt & Whitney Canada Corp.
- Gas turbine engine drone inspection system6 Oct 2026US 12,754,546 B2Rtx Corporation
- System and method for controlling engines of a multi-engine aircraft engine assembly29 Sep 2026US 12,747,708 B2Pratt & Whitney Canada Corp.
- Blade tip clearance sensor and gas turbine including same22 Sep 2026US 12,742,399 B2Doosan Enerbility Co., Ltd.
- Turbine engine tip clearance control utilizing electric machine8 Oct 2026US 2026/0309046 A1Rtx Corporation
- Aircraft engine with lubricant system having windmilling configuration8 Oct 2026US 2026/0309051 A1Pratt & Whitney Canada Corp.
- System and method for controlling contrail formation8 Oct 2026US 2026/0309079 A1Rtx Corporation
- Gas turbine propulsion system with variable pitch fan and method for operating the system8 Oct 2026US 2026/0309094 A1Rtx Corporation
- Control device for gas turbine, gas turbine facility, control method for gas turbine, and control program for gas turbine8 Oct 2026US 2026/0309096 A1Mitsubishi Heavy Industries, Ltd.
Most cited
By later US patents
- Compressor stall and surge control using airflow asymmetry measurement414US 5,915,917 AUnited Technologies Corporation · 1999
- Fan with collapsible blades, redundant fan system, and related method271US 6,860,713 B2Nidec Corporation · 2005
- Lubrication of windmilling journal bearings269US 7,662,059 B2United Technologies Corporation · 2010
- Mobile power generation system including fixture assembly254US 10,371,012 B2On-Power, Inc. · 2019
- Motorized system integrated control and diagnostics using vibration, pressure, temperature, speed, and/or current analysis245US 7,539,549 B1Rockwell Automation Technologies, Inc. · 2009