F23N 2229/18
Flame sensor cooling means
F23N2229/18 (Flame sensor cooling means) appears on 25 US grants and 14 published applications in this corpus.
Search patents in F23N- Granted patents
- 25
- Published applications
- 14
- Assignees
- 27
- Inventors
- 72
- Latest grant
- 17 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 2 |
| 2004 | 2 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 3 |
| 2010 | 2 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 2 |
| 2021 | 1 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Optical detection system for a gas turbine engine combustion assembly17 Jun 2025US 12,331,929 B2Rtx Corporation
- Burner with torch ignition mechanism and operation method thereof19 Sep 2023US 11,761,383 B2Toshiba Energy Systems & Solutions Corporation
- Sensor arrangement for measuring gas turbine combustor temperatures2 Mar 2021US 10,935,431 B2Raytheon Technologies Corporation
- Heat source apparatus26 Jun 2018US 10,006,660 B2Rinnai Corporation
- Flame detection device25 Aug 2015US 9,115,933 B2Changzheng Engineering Co., Ltd.
- Optical detection system for a gas turbine engine combustion assembly15 Aug 2024US 2024/0271784 A1Raytheon Technologies Corporation
- Burner with torch ignition mechanism and operation method thereof15 Dec 2022US 2022/0397274 A1Toshiba Energy Systems & Solutions Corporation
- Optical flame-sensor15 Oct 2020US 2020/0326243 A1OnPoint Technologies, LLC
- Sensor arrangement for measuring gas turbine combustor temperatures24 Sep 2020US 2020/0300468 A1United Technologies Corporation
- Heat Source Apparatus7 Dec 2017US 2017/0350618 A1Rinnai Corporation
Most cited
By later US patents
- Flame detector for use with a burner65US 4,709,155 ABabcock-Hitachi Kabushiki Kaisha · 1987
- Method and apparatus for controlling thermoacoustic vibrations in a combustion system38US 6,464,489 B1Alstom · 2002
- Method of controlling combustion28US 4,528,918 AHitachi, Ltd. · 1985
- Method and system for controlling the supply of fuel and air to a furnace25US 4,927,351 AEagleair, Inc. · 1990
- Flame detection23US 5,073,104 AThe Broken Hill Proprietary Company Limited · 1991