F23N 2227/12
Burner simulation or checking
F23N2227/12 (Burner simulation or checking) appears on 134 US grants and 48 published applications in this corpus.
Search patents in F23N- Granted patents
- 134
- Published applications
- 48
- Assignees
- 82
- Inventors
- 221
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 1 | 0 |
| 1978 | 8 | 0 |
| 1979 | 3 | 0 |
| 1980 | 5 | 0 |
| 1981 | 8 | 0 |
| 1982 | 2 | 0 |
| 1983 | 8 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 7 | 0 |
| 1990 | 10 | 0 |
| 1991 | 5 | 0 |
| 1992 | 0 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 9 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 3 | 3 |
| 2003 | 5 | 3 |
| 2004 | 2 | 5 |
| 2005 | 2 | 1 |
| 2006 | 2 | 1 |
| 2007 | 0 | 2 |
| 2008 | 2 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 3 |
| 2013 | 0 | 1 |
| 2014 | 3 | 0 |
| 2015 | 1 | 2 |
| 2016 | 2 | 0 |
| 2017 | 1 | 4 |
| 2018 | 1 | 2 |
| 2019 | 2 | 2 |
| 2020 | 1 | 4 |
| 2021 | 3 | 2 |
| 2022 | 3 | 1 |
| 2023 | 0 | 2 |
| 2024 | 1 | 3 |
| 2025 | 2 | 3 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems and methods for automated furnace inducer sensor output verification22 Sep 2026US 12,742,548 B2Rheem Manufacturing Company
- System and method to detect flame rod/sensor malfunction24 Mar 2026US 12,584,629 B2Fireye, Inc.
- Method for detecting burner failure6 Jan 2026US 12,517,015 B2ROLLS-ROYCE plc
- Method for evaluating a quasi-stationary pressure difference detectable by a sensor at a gas boiler, and associated gas boiler28 Oct 2025US 12,455,076 B2ebm-papst Landshut GmbH
- Alternate pilot light ignition for gas powered appliances with electric ignition assembly26 Aug 2025US 12,398,884 B2Haier US Appliance Solutions, Inc.
- Method for detecting the presence of flame in a premixed hydrogen burner1 Jan 2026US 2026/0002670 A1Ariston S.P.A.
- Method and device for estimating a combustion efficiency value during flaring21 Aug 2025US 2025/0264217 A1
- Method for detecting burner failure5 Jun 2025US 2025/0180435 A1ROLLS-ROYCE plc
- Device for the delivery of a combustible gaseous mixture and procedure27 Feb 2025US 2025/0067432 A1Sit S.P.A.
- Method of controlling flare gas recovery system4 Jul 2024US 2024/0219022 A1Petroleo Brasileiro S.A. - Petrobras
Most cited
By later US patents
- Self-diagnostic flame rectification sensing circuit and method therefor123US 5,506,569 ATexas Instruments Incorporated · 1996
- Integrated furnace control and control self test122US 4,872,828 AHamilton Standard Controls, Inc. · 1989
- Optical flame detector performance tester56US 5,236,328 AHoneywell Inc. · 1993
- Furnace monitoring and thermostat cycling system for recreational vehicles and marine vessels56US 5,269,458 A1993
- Burner flame detection55US 4,280,184 AElectronic Corporation of America · 1981