F23N 2227/24
The pilot burner not burning continuously
Official title: the pilot burner not burning continuously
F23N2227/24 (The pilot burner not burning continuously) appears on 23 US grants and 18 published applications in this corpus.
Search patents in F23N- Granted patents
- 23
- Published applications
- 18
- Assignees
- 19
- Inventors
- 59
- Latest grant
- 30 Jan 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 2 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 2 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 2 |
| 2020 | 2 | 0 |
| 2021 | 0 | 3 |
| 2022 | 1 | 2 |
| 2023 | 3 | 0 |
| 2024 | 1 | 1 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Smart fuel burning system and method of operating same30 Jan 2024US 11,885,494 B2Reecon M & E Co. Ltd.
- 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.
- Method and system for controlling an intermittent pilot water heater system1 Feb 2022US 11,236,930 B2Ademco Inc.
- Dual-Fuel Burner and Method of Operation20 Feb 2025US 2025/0060098 A1Air Products and Chemicals, Inc.
- Method and System for Controlling an Intermittent Pilot Water Heater System30 May 2024US 2024/0175605 A1Ademco Inc.
- Smart Fuel Burning System and Method of Operating Same29 Sep 2022US 2022/0307690 A1Reecon M & E Co. Ltd.
- Method and system for controlling an intermittent pilot water heater system12 May 2022US 2022/0146149 A1Ademco Inc.
- Low emission modular flare stack5 Aug 2021US 2021/0239317 A1Clearsign Technologies Corporation
Most cited
By later US patents
- Gas regulating fitting26US 7,891,972 B2Mertik Maxitrol GmbH & Co. KG · 2011
- Control system for dual coil pilot valve burner system24US 4,360,338 ARobertshaw Controls Company · 1982
- Gas burner control system14US 4,435,150 AEmerson Electric Co. · 1984
- Burner control apparatus12US 4,137,035 AElectronics Corporation of America · 1979
- Safe start fuel burner control system8US 4,382,770 AHoneywell Inc. · 1983