F02C 7/277
The starter being a separate turbine
Official title: the starter being a {separate} turbine
F02C7/277 (The starter being a separate turbine) appears on 305 US grants and 297 published applications in this corpus.
Search patents in F02C- Granted patents
- 305
- Published applications
- 297
- Assignees
- 60
- Inventors
- 474
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 8 | 0 |
| 1991 | 5 | 0 |
| 1992 | 8 | 0 |
| 1993 | 7 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 1 |
| 2002 | 0 | 0 |
| 2003 | 4 | 6 |
| 2004 | 5 | 3 |
| 2005 | 4 | 7 |
| 2006 | 7 | 7 |
| 2007 | 2 | 2 |
| 2008 | 1 | 2 |
| 2009 | 2 | 6 |
| 2010 | 1 | 3 |
| 2011 | 3 | 3 |
| 2012 | 4 | 14 |
| 2013 | 5 | 10 |
| 2014 | 10 | 8 |
| 2015 | 4 | 6 |
| 2016 | 3 | 6 |
| 2017 | 8 | 26 |
| 2018 | 12 | 39 |
| 2019 | 30 | 27 |
| 2020 | 30 | 28 |
| 2021 | 21 | 19 |
| 2022 | 20 | 20 |
| 2023 | 23 | 11 |
| 2024 | 19 | 14 |
| 2025 | 16 | 20 |
| 2026 | 16 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Turbine engine including an air turbine starter and a bleed air circuit22 Sep 2026US 12,742,422 B2Unison Industries, LLC
- Hybrid gas turbofan powered idle descent mode15 Sep 2026US 12,735,991 B2Rtx Corporation
- Hybrid turbine starter for a gas turbine engine8 Sep 2026US 12,729,650 B1General Electric Company
- Rotary assembly1 Sep 2026US 12,723,519 B2ROLLS-ROYCE plc
- Gas turbine engine buffer air augmentation system and method25 Aug 2026US 12,716,389 B2Rtx Corporation
- Method of operating a turbine engine including an air turbine starter20 Aug 2026US 2026/0243201 A1Unison Industries, LLC
- Gas turbine engine with starting system and method for using the same23 Jul 2026US 2026/0210294 A1Rtx Corporation
- Air turbine starters and systems for gas turbine engines18 Jun 2026US 2026/0168444 A1Unison Industries, LLC
- Turbine engine including an air turbine starter and a bleed air circuit28 May 2026US 2026/0146562 A1Unison Industries, LLC
- Emergency start of a gas turbine engine21 May 2026US 2026/0139627 A1Rolls-Royce North American Technologies Inc.
Most cited
By later US patents
- Aircraft engine starting and emergency power generating system275US 4,979,362 ASundstrand Corporation · 1990
- Integrated bleed air and engine starting system108US 6,305,156 B1AlliedSignal Inc. · 2001
- Gas turbine engine powered aircraft environmental control system and boundary layer bleed106US 5,143,329 AGeneral Electric Company · 1992
- Systems and methods for starting aircraft engines92US 7,513,119 B2The Boeing Company · 2009
- Integrated auxiliary power system90US 5,363,641 AUnited Technologies Corporation · 1994