F23D 11/386
Nozzle cleaning
Official title: {Nozzle cleaning}
F23D11/386 (Nozzle cleaning) appears on 41 US grants and 37 published applications in this corpus.
Search patents in F23D- Granted patents
- 41
- Published applications
- 37
- Assignees
- 29
- Inventors
- 102
- Latest grant
- 6 Aug 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 2 |
| 2005 | 4 | 2 |
| 2006 | 1 | 1 |
| 2007 | 2 | 3 |
| 2008 | 0 | 2 |
| 2009 | 1 | 3 |
| 2010 | 1 | 2 |
| 2011 | 1 | 1 |
| 2012 | 0 | 3 |
| 2013 | 0 | 4 |
| 2014 | 2 | 1 |
| 2015 | 1 | 3 |
| 2016 | 2 | 0 |
| 2017 | 1 | 2 |
| 2018 | 2 | 0 |
| 2019 | 2 | 0 |
| 2020 | 1 | 1 |
| 2021 | 0 | 1 |
| 2022 | 1 | 4 |
| 2023 | 1 | 1 |
| 2024 | 3 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Fuel nozzle structure for air assist injection6 Aug 2024US 12,055,295 B2General Electric Company
- Burner maintenance tool30 Jan 2024US 11,885,491 B2Fives Pillard
- Systems and methods for addition of fuel additives to control turbine corrosion2 Jan 2024US 11,859,533 B2General Electric Company
- Systems and methods for addition of fuel additives to control turbine corrosion14 Nov 2023US 11,814,972 B2General Electric Company
- Fuel nozzle structure for air assist injection12 Apr 2022US 11,300,295 B2General Electric Company
- Fuel nozzle with restricted core air passage1 Jun 2023US 2023/0167975 A1Pratt & Whitney Canada Corp.
- Systems and methods for addition of fuel additives to control turbine corrosion8 Dec 2022US 2022/0389832 A1General Electric Company
- Systems and methods for addition of fuel additives to control turbine corrosion8 Dec 2022US 2022/0389863 A1General Electric Company
- Fuel nozzle structure for air assist injection16 Jun 2022US 2022/0186930 A1General Electric Company
- Methods for cleaning aerospace components24 Feb 2022US 2022/0055772 A1APPLIED Materials.Inc.
Most cited
By later US patents
- Cleaning apparatus and method for fuel and other passages49US 5,339,845 AFuel Systems Textron Inc. · 1994
- Cleaning apparatus for fuel burner45US 4,703,888 AIsuzu Motors Limited · 1987
- Device for actively controlling combustion instabilities and for decoking a fuel injector40US 5,797,266 ASociete Nationale d'Etude et de Construction de Moteurs D'Aviation "S.N.E.C.M A." · 1998
- Methods and apparatus for washing gas turbine engine combustors36US 6,932,093 B2General Electric Company · 2005
- Differential pressure induced purging fuel injector with asymmetric cyclone33US 6,898,938 B2General Electric Company · 2005