F02P 15/003
Layout of ignition circuits for gas turbine plants
Official title: {Layout of ignition circuits for gas turbine plants (ignition of gas turbine plants per se F02C7/26)}
F02P15/003 (Layout of ignition circuits for gas turbine plants) appears on 94 US grants and 38 published applications in this corpus.
Search patents in F02P- Granted patents
- 94
- Published applications
- 38
- Assignees
- 48
- Inventors
- 133
- Latest grant
- 20 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 7 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 6 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 6 | 0 |
| 2002 | 3 | 1 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 2 |
| 2006 | 2 | 2 |
| 2007 | 0 | 0 |
| 2008 | 2 | 1 |
| 2009 | 2 | 1 |
| 2010 | 0 | 3 |
| 2011 | 0 | 2 |
| 2012 | 2 | 5 |
| 2013 | 3 | 1 |
| 2014 | 3 | 0 |
| 2015 | 1 | 2 |
| 2016 | 1 | 3 |
| 2017 | 0 | 1 |
| 2018 | 4 | 3 |
| 2019 | 2 | 3 |
| 2020 | 2 | 1 |
| 2021 | 1 | 0 |
| 2022 | 1 | 1 |
| 2023 | 2 | 2 |
| 2024 | 1 | 2 |
| 2025 | 3 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Ignition system and method of operating a combustion engine20 Jan 2026US 12,529,341 B2General Electric Company
- Engine ignition systems and control methods therefor2 Dec 2025US 12,486,822 B2Hamilton Sundstrand Corporation
- Engine ignition systems15 Jul 2025US 12,359,648 B2Hamilton Sundstrand Corporation
- Plasma ignition and combustion assist system for gas turbine engines25 Feb 2025US 12,234,774 B2
- Plasma ignition and combustion assist system for gas turbine engines16 Jul 2024US 12,037,948 B2Acutronic Turbines Inc.
- Ignition system and method of operating a combustion engine11 Dec 2025US 2025/0376948 A1General Electric Company
- Engine ignition systems and control methods therefor13 Jun 2024US 2024/0191681 A1Hamilton Sundstrand Corporation
- Plasma Ignition and Combustion Assist System for Gas Turbine Engines16 May 2024US 2024/0159190 A1Acutronic Turbines Inc.
- Plasma Ignition and Combustion Assist System for Gas Turbine Engines7 Dec 2023US 2023/0392553 A1Acutronic Turbines Inc.
- Engine ignition systems26 Oct 2023US 2023/0340934 A1Hamilton Sundstrand Corporation
Most cited
By later US patents
- Engine with flow coupled spark discharge64US 5,517,961 ACombustion Electromagnetics, Inc. · 1996
- Exciter controlled by FADEC system57US 6,195,247 B12001
- Apparatus and method for providing ignition to a turbine engine39US 5,065,073 A1991
- Method and apparatus for controllably generating sparks in an ignition system or the like38US 5,754,011 AUnison Industries Limited Partnership · 1998
- Piezoelectric ignition and sensing device31US 6,138,654 AMide Technology Corporation · 2000