F23N 2227/30
For pilot burners
Official title: for pilot burners
F23N2227/30 (For pilot burners) appears on 65 US grants and 25 published applications in this corpus.
Search patents in F23N- Granted patents
- 65
- Published applications
- 25
- Assignees
- 34
- Inventors
- 94
- Latest grant
- 26 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 10 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 1 |
| 2016 | 0 | 2 |
| 2017 | 1 | 0 |
| 2018 | 1 | 1 |
| 2019 | 0 | 1 |
| 2020 | 4 | 6 |
| 2021 | 1 | 3 |
| 2022 | 3 | 2 |
| 2023 | 4 | 1 |
| 2024 | 1 | 2 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Alternate pilot light ignition for gas powered appliances with electric ignition assembly26 Aug 2025US 12,398,884 B2Haier US Appliance Solutions, Inc.
- High-capacity igniter3 Dec 2024US 12,158,268 B2Forney Corporation
- Intermittent pilot ignition gas valve having protection against negative pressure for internal diaphragms7 Nov 2023US 11,808,452 B2Robertshaw Controls Company
- Control system for an intermittent pilot water heater29 Aug 2023US 11,739,982 B2Ademco Inc.
- Method and system for controlling an intermittent pilot water heater system8 Aug 2023US 11,719,467 B2Ademco Inc.
- Circuit including supercapacitor for supplying power to leak detection circuitry and controller in water heater12 Feb 2026US 2026/0043587 A1Ademco Inc.
- Method and System for Controlling an Intermittent Pilot Water Heater System30 May 2024US 2024/0175605 A1Ademco Inc.
- Alternate pilot light ignition for gas powered appliances with electric ignition assembly18 Apr 2024US 2024/0125474 A1Haier US Appliance Solutions, Inc.
- Food cooking unit6 Jul 2023US 2023/0213200 A1Inbrooll Industries, S.L.
- High-capacity igniter8 Dec 2022US 2022/0390108 A1Forney Corporation
Most cited
By later US patents
- Thermally amplified and stimulated emission radiator fiber matrix burner66US 5,356,487 AThe Quantum Group, Inc. · 1994
- Self-powered gas appliance50US 4,906,178 AThe Quantum Group, Inc. · 1990
- Fuel ignition control system42US 4,242,079 AJohnson Controls GmbH · 1980
- Photovoltaic control system31US 4,793,799 AThe Quantum Group, Inc. · 1988
- Condition control system for efficient transfer of energy to and from a working fluid25US 4,373,663 AHoneywell Inc. · 1983