F23M 11/04
Means for supervising combustion
Official title: Means for supervising combustion, e.g. windows
F23M11/04 (Means for supervising combustion) appears on 173 US grants and 114 published applications in this corpus.
Search patents in F23M- Granted patents
- 173
- Published applications
- 114
- Assignees
- 117
- Inventors
- 370
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 5 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 12 | 0 |
| 1985 | 5 | 0 |
| 1986 | 6 | 0 |
| 1987 | 8 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 5 | 0 |
| 2001 | 2 | 1 |
| 2002 | 4 | 4 |
| 2003 | 5 | 16 |
| 2004 | 3 | 6 |
| 2005 | 12 | 5 |
| 2006 | 3 | 6 |
| 2007 | 3 | 3 |
| 2008 | 3 | 3 |
| 2009 | 6 | 6 |
| 2010 | 3 | 10 |
| 2011 | 3 | 1 |
| 2012 | 5 | 3 |
| 2013 | 4 | 4 |
| 2014 | 1 | 6 |
| 2015 | 6 | 9 |
| 2016 | 4 | 6 |
| 2017 | 5 | 3 |
| 2018 | 2 | 4 |
| 2019 | 6 | 3 |
| 2020 | 4 | 8 |
| 2021 | 5 | 4 |
| 2022 | 1 | 0 |
| 2023 | 5 | 3 |
| 2024 | 1 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Inspection device12 May 2026US 12,624,835 B2Azbil Corporation
- Viewport for high temperature combustion zones6 Feb 2024US 11,892,164 B2HRST, Inc.
- Combustion systems with ease of serviceability19 Dec 2023US 11,846,449 B2Rheem Manufacturing Company
- Fresh air intake for low NOx emission furnace7 Nov 2023US 11,808,449 B2Lennox Industries Inc.
- Oven door assembly10 Oct 2023US 11,781,750 B2Whirlpool Corporation
- Exhaust gas treatment device with a burner for generating a flame for the combustion of process gas30 Nov 2023US 2023/0383948 A1DAS Environmental Expert GmbH
- Inspection device27 Jul 2023US 2023/0235880 A1Azbil Corporation
- Viewport for high temperature combustion zones6 Jul 2023US 2023/0213189 A1HRST, Inc.
- Combustion systems with ease of serviceability4 Nov 2021US 2021/0341176 A1Rheem Manufacturing Company
- Viewport for high temperature combustion zones16 Sep 2021US 2021/0285638 A1HRST, Inc.
Most cited
By later US patents
- Method and combustor apparatus for sensing the level of a contaminant within a combustion flame94US 6,268,913 B1Siemens Westinghouse Power Corporation · 2001
- Apparatus for observing combustion conditions in a gas turbine engine64US 7,484,369 B2Rosemount Aerospace Inc. · 2009
- Method for the control of a burner equipped with an injector nozzle and an arrangement for executing the method55US 4,830,601 A1989
- Torch igniter for a combustor having U.V. flame detection54US 4,860,533 APruTech II · 1989
- Heat insulating screen40US 4,048,978 AGlaverbel-Mecaniver · 1977