F23D 11/406
Flame stabilising means
Official title: {Flame stabilising means, e.g. flame holders}
F23D11/406 (Flame stabilising means) appears on 67 US grants and 81 published applications in this corpus.
Search patents in F23D- Granted patents
- 67
- Published applications
- 81
- Assignees
- 39
- Inventors
- 136
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 2 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 5 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 3 |
| 2014 | 0 | 6 |
| 2015 | 1 | 17 |
| 2016 | 6 | 2 |
| 2017 | 7 | 4 |
| 2018 | 5 | 5 |
| 2019 | 3 | 12 |
| 2020 | 8 | 7 |
| 2021 | 2 | 6 |
| 2022 | 5 | 1 |
| 2023 | 1 | 0 |
| 2024 | 4 | 2 |
| 2025 | 1 | 5 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Compact low emissions burner nozzle using additive manufacturing15 Sep 2026US 12,736,218 B2Honeywell International Inc.
- Nozzle assembly with a central fuel pipe that is sealed against an in-flow of air24 Mar 2026US 12,584,631 B2Rolls-Royce Deutschland Ltd & Co KG
- Prefabricated integrated combustion assemblies and methods of installing the same into a combustion system11 Mar 2025US 12,247,733 B2Clearsign Technologies Corporation
- Burner system including a plurality of perforated flame holders20 Aug 2024US 12,066,248 B2Clearsign Technologies Corporation
- Burner including an electrical permittivity or electrical capacitance flame sensor30 Jul 2024US 12,050,151 B2Clearsign Technologies Corporation
- Burner device18 Dec 2025US 2025/0383082 A2Dürr Systems AG
- Burner device19 Jun 2025US 2025/0198617 A1Dürr Systems AG
- Nozzle assembly with a central fuel pipe that is sealed against an in-flow of air19 Jun 2025US 2025/0198623 A1Rolls-Royce Deutschland Ltd & Co KG
- Prefabricated integrated combustion assemblies and methods of installing the same into a combustion system22 May 2025US 2025/0164104 A1Clearsign Technologies Corporation
- Compact low emissions burner nozzle using additive manufacturing15 May 2025US 2025/0155121 A1Honeywell International Inc.
Most cited
By later US patents
- Burner with a perforated flame holder and pre-heat apparatus52US 9,377,190 B2Clearsign Combustion Corporation · 2016
- Method for flame location transition from a start-up location to a perforated flame holder49US 9,388,981 B2Clearsign Combustion Corporation · 2016
- Burner with a perforated reaction holder and heating apparatus29US 9,447,965 B2Clearsign Comubstion Corporation · 2016
- Burner system with anti-flashback electrode22US 9,453,640 B2Clearsign Combustion Corporation · 2016
- Flame retention head assembly21US 4,082,495 A1978