F01D 17/24
Electrical
Official title: electrical
F01D17/24 (Electrical) appears on 133 US grants and 77 published applications in this corpus.
Search patents in F01D- Granted patents
- 133
- Published applications
- 77
- Assignees
- 50
- Inventors
- 256
- Latest grant
- 19 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 15 | 0 |
| 1977 | 12 | 0 |
| 1978 | 5 | 0 |
| 1979 | 4 | 0 |
| 1980 | 4 | 0 |
| 1981 | 7 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 2 |
| 2003 | 2 | 0 |
| 2004 | 1 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 3 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 1 |
| 2012 | 2 | 3 |
| 2013 | 3 | 5 |
| 2014 | 1 | 2 |
| 2015 | 2 | 9 |
| 2016 | 4 | 8 |
| 2017 | 7 | 7 |
| 2018 | 3 | 9 |
| 2019 | 6 | 2 |
| 2020 | 6 | 8 |
| 2021 | 8 | 3 |
| 2022 | 4 | 8 |
| 2023 | 5 | 1 |
| 2024 | 3 | 2 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- System and method for measuring an axial position of a rotating component19 Aug 2025US 12,391,362 B2Pratt & Whitney Canada Corp.
- Propeller governor for electric synchronous thrust27 Aug 2024US 12,071,219 B2Embraer S.A.
- Variable area nozzle for aircraft propulsion system9 Jul 2024US 12,031,445 B2Rohr, Inc.
- Hybrid electric variable area turbine9 Jan 2024US 11,867,069 B2Rtx Corporation
- System and method for controlling dual starter air valve24 Oct 2023US 11,795,880 B2Rtx Corporation
- System and method for measuring an axial position of a rotating component13 Nov 2025US 2025/0346347 A1Pratt & Whitney Canada Corp.
- Electrical actuation of variable stator vanes26 Dec 2024US 2024/0426225 A1Hamilton Sundstrand Corporation
- System and method for measuring an axial position of a rotating component24 Oct 2024US 2024/0351679 A1Pratt & Whitney Canada Corp.
- Variable area nozzle for aircraft propulsion system7 Sep 2023US 2023/0279783 A1Rohr, Inc.
- Hybrid electric variable area turbine29 Dec 2022US 2022/0412272 A1Raytheon Technologies Corporation
Most cited
By later US patents
- Control system with adaptive process controllers especially adapted for electric power plant operation84US 3,939,328 AWestinghouse Electric Corp. · 1976
- Adjustable gain controller for valve position control loop and method for reducing jitter70US 4,556,956 AGeneral Electric Company · 1985
- Dedicated microcomputer-based control system for steam turbine-generators60US 4,280,060 AGeneral Electric Company · 1981
- System and method for starting, synchronizing and operating a steam turbine with digital computer control56US 4,267,458 AWestinghouse Electric Corp. · 1981
- Plant unit master control for fossil fired boiler implemented with a digital computer56US 4,445,180 AWestinghouse Electric Corp. · 1984