F23M 11/00
Safety arrangements
F23M11/00 (Safety arrangements) appears on 266 US grants and 166 published applications in this corpus.
Search patents in F23M- Granted patents
- 266
- Published applications
- 166
- Assignees
- 174
- Inventors
- 559
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 7 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 6 | 0 |
| 1982 | 9 | 0 |
| 1983 | 11 | 0 |
| 1984 | 20 | 0 |
| 1985 | 5 | 0 |
| 1986 | 7 | 0 |
| 1987 | 12 | 0 |
| 1988 | 5 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 6 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 7 | 0 |
| 2001 | 2 | 1 |
| 2002 | 6 | 5 |
| 2003 | 6 | 18 |
| 2004 | 4 | 9 |
| 2005 | 16 | 9 |
| 2006 | 3 | 9 |
| 2007 | 6 | 5 |
| 2008 | 4 | 7 |
| 2009 | 8 | 9 |
| 2010 | 8 | 16 |
| 2011 | 5 | 3 |
| 2012 | 5 | 8 |
| 2013 | 7 | 5 |
| 2014 | 1 | 7 |
| 2015 | 6 | 14 |
| 2016 | 6 | 11 |
| 2017 | 6 | 4 |
| 2018 | 2 | 4 |
| 2019 | 8 | 3 |
| 2020 | 6 | 8 |
| 2021 | 5 | 4 |
| 2022 | 1 | 0 |
| 2023 | 6 | 5 |
| 2024 | 1 | 0 |
| 2025 | 2 | 2 |
| 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
- Particle heating landscape furnace29 Jul 2025US 12,372,236 B2Haohong Electric Technology (Hubei) Co., Ltd.
- Dynamic sealing structure and rotary kiln apparatus21 Jan 2025US 12,203,704 B2Henan Longcheng Coal High Efficiency Technology Application Co., Ltd.
- 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
- Gas furnace with flame arrestor7 Aug 2025US 2025/0249300 A1Daikin Comfort Technologies Manufacturing, L.P.
- A gasket arrangement for a protruding bar of a boiler and a method of operating the gasket arrangement30 Jan 2025US 2025/0034808 A1Andritz Inc.
- 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
- Particle heating landscape furnace3 Aug 2023US 2023/0243501 A1Haohong Electric Technology (Hubei) Co., Ltd.
- Inspection device27 Jul 2023US 2023/0235880 A1Azbil Corporation
Most cited
By later US patents
- Furnace monitoring system97US 4,296,727 AMicro-Burner Systems Corporation · 1981
- Method and combustor apparatus for sensing the level of a contaminant within a combustion flame94US 6,268,913 B1Siemens Westinghouse Power Corporation · 2001
- Method and installation for improving the efficiency of a submerged-combustion heating installation67US 4,488,537 A1984
- 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