F02C 7/266
Electric
Official title: Electric (sparking plugs H01T)
F02C7/266 (Electric) appears on 233 US grants and 252 published applications in this corpus.
Search patents in F02C- Granted patents
- 233
- Published applications
- 252
- Assignees
- 90
- Inventors
- 465
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 4 | 0 |
| 2003 | 1 | 1 |
| 2004 | 1 | 1 |
| 2005 | 1 | 9 |
| 2006 | 8 | 7 |
| 2007 | 4 | 5 |
| 2008 | 4 | 4 |
| 2009 | 3 | 4 |
| 2010 | 3 | 7 |
| 2011 | 2 | 5 |
| 2012 | 2 | 10 |
| 2013 | 6 | 10 |
| 2014 | 9 | 12 |
| 2015 | 9 | 22 |
| 2016 | 11 | 14 |
| 2017 | 11 | 8 |
| 2018 | 19 | 12 |
| 2019 | 7 | 42 |
| 2020 | 15 | 22 |
| 2021 | 13 | 10 |
| 2022 | 23 | 12 |
| 2023 | 13 | 12 |
| 2024 | 11 | 11 |
| 2025 | 6 | 6 |
| 2026 | 11 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Propellant cartridge ignitor22 Sep 2026US 12,742,421 B1Rtx Corporation
- Hybrid ignitor8 Sep 2026US 12,729,662 B1Rtx Corporation
- Method and system for dual-voltage start of an aeronautical turbine engine having a free turbine and a single-spool gas generator14 Jul 2026US 12,680,506 B2Safran Helicopter Engines
- Hydrogen combustion control system for a vehicle having a turbine engine16 Jun 2026US 12,655,805 B2General Electric Company
- Self-sacrifice battery for starter ignition of small engines2 Jun 2026US 12,644,418 B1Rtx Corporation
- Hydrogen combustion control system for a vehicle having a turbine engine24 Sep 2026US 2026/0286906 A1General Electric Company
- Plasma Ignition and Combustion Assist System for Gas Turbine Engines17 Sep 2026US 2026/0275917 A1Acutronic Turbines Inc.
- Flameholder for a reheat assembly25 Jun 2026US 2026/0177244 A1ROLLS-ROYCE plc
- Ignitor canister for a turbine glow plug18 Jun 2026US 2026/0168443 A1
- Method and system for dual-voltage start of an aeronautical turbine engine having a free turbine and a single-spool gas generator7 May 2026US 2026/0126013 A1Safran Helicopter Engines
Most cited
By later US patents
- System, method and apparatus for lean combustion with plasma from an electrical arc107US 8,074,439 B2Foret Plasma Labs, LLC · 2011
- Aircraft with disengageable engine and auxiliary power unit components72US 7,805,947 B22010
- System and method for generating and sustaining a corona electric discharge for igniting a combustible gaseous mixture64US 6,883,507 B2Etatech, Inc. · 2005
- Cooled igniter60US 3,990,834 AGeneral Electric Company · 1976
- Exciter controlled by FADEC system57US 6,195,247 B12001