F02C 7/268
Starting drives for the rotor , acting directly on the rotor of
Official title: Starting drives for the rotor {, acting directly on the rotor of the gas turbine to be started}
F02C7/268 (Starting drives for the rotor , acting directly on the rotor of) appears on 844 US grants and 870 published applications in this corpus.
Search patents in F02C- Granted patents
- 844
- Published applications
- 870
- Assignees
- 162
- Inventors
- 1,406
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 1 | 0 |
| 1987 | 6 | 0 |
| 1988 | 4 | 0 |
| 1989 | 7 | 0 |
| 1990 | 10 | 0 |
| 1991 | 7 | 0 |
| 1992 | 22 | 0 |
| 1993 | 12 | 0 |
| 1994 | 9 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 6 | 0 |
| 2001 | 11 | 1 |
| 2002 | 3 | 5 |
| 2003 | 8 | 16 |
| 2004 | 18 | 20 |
| 2005 | 21 | 21 |
| 2006 | 17 | 23 |
| 2007 | 9 | 14 |
| 2008 | 11 | 21 |
| 2009 | 9 | 19 |
| 2010 | 17 | 24 |
| 2011 | 17 | 19 |
| 2012 | 15 | 28 |
| 2013 | 17 | 29 |
| 2014 | 25 | 32 |
| 2015 | 17 | 31 |
| 2016 | 19 | 34 |
| 2017 | 34 | 72 |
| 2018 | 38 | 80 |
| 2019 | 59 | 59 |
| 2020 | 73 | 78 |
| 2021 | 68 | 54 |
| 2022 | 56 | 48 |
| 2023 | 52 | 39 |
| 2024 | 43 | 39 |
| 2025 | 43 | 43 |
| 2026 | 35 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
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- Turbine engine including an air turbine starter and a bleed air circuit22 Sep 2026US 12,742,422 B2Unison Industries, LLC
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- Hybrid turbine starter for a gas turbine engine8 Sep 2026US 12,729,650 B1General Electric Company
- Electric machine comprising a clutch assembly8 Oct 2026US 2026/0309086 A1Unison Industries, LLC
- Start mechanism for small engines8 Oct 2026US 2026/0309087 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.
- Engine oil system for an aircraft engine17 Sep 2026US 2026/0275909 A1Pratt & Whitney Canada Corp.
- Gearbox arrangement for close to constant speed accessories17 Sep 2026US 2026/0275919 A1Rtx Corporation
Most cited
By later US patents
- Aircraft engine starting and emergency power generating system275US 4,979,362 ASundstrand Corporation · 1990
- Gas turbine generating apparatus170US 7,061,211 B2Ebara Corporation · 2006
- Systems and methods to operate a dual-shaft gas turbine engine for hydraulic fracturing114US 11,125,066 B1BJ Energy Solutions, LLC · 2021
- Device and method for gas turbine unlocking112US 9,845,730 B2Nuovo Pignone S.p.A. · 2017
- Multi-range starter-generator drive109US 4,708,030 ASundstrand Corporation · 1987