F23Q 7/10
For gaseous fuel
Official title: for gaseous fuel, e.g. in welding appliances
F23Q7/10 (For gaseous fuel) appears on 60 US grants and 38 published applications in this corpus.
Search patents in F23Q- Granted patents
- 60
- Published applications
- 38
- Assignees
- 41
- Inventors
- 126
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 2 |
| 2005 | 0 | 2 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 3 |
| 2011 | 0 | 2 |
| 2012 | 0 | 4 |
| 2013 | 1 | 2 |
| 2014 | 4 | 0 |
| 2015 | 1 | 1 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 3 |
| 2020 | 1 | 0 |
| 2021 | 1 | 4 |
| 2022 | 1 | 4 |
| 2023 | 3 | 2 |
| 2024 | 0 | 1 |
| 2025 | 3 | 1 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- High voltage ceramic electric heating element14 Apr 2026US 12,604,370 B2Chongqing Le-Mark Ceramic Technology Co Limited
- Systems and methods for operating an igniter of an oven appliance3 Jun 2025US 12,320,530 B2Haier US Appliance Solutions, Inc.
- Heater11 Mar 2025US 12,250,752 B2KYOCERA Corporation
- Pilot assemblies and methods for enclosed ground flares and elevated flare stacks28 Jan 2025US 12,209,748 B2Surefire Pilotless Burner Systems LLC
- Tool with improved ignition efficiency26 Dec 2023US 11,852,342 B2Pro-Iroda Industries, Inc.
- Flame-based detectors with protected ignitor10 Sep 2026US 2026/0266732 A1Agilent Technologies, Inc.
- Gas ignition system for a gas cooking appliance23 Jul 2026US 2026/0210558 A1Haier US Appliance Solutions, Inc.
- Pilot burner hot surface igniter apparatus,systems, and methods6 Nov 2025US 2025/0341365 A1Oxbow Calcining LLC
- Four-wire electric heating and ignition device capable of temperature measurement5 Dec 2024US 2024/0401806 A1Chongqing Le-Mark Technology Co
- Systems and methods for operating an igniter of an oven appliance30 Nov 2023US 2023/0383952 A1Haier US Appliance Solutions, Inc.
Most cited
By later US patents
- Direct ignition gas burner control system26US 4,444,551 AEmerson Electric Co. · 1984
- Automatic ignition and flame detection system for gas fired devices25US 4,402,663 ARam Products, Inc. · 1983
- Ignition system for a gas appliance25US 6,217,312 B1General Electric Company · 2001
- Pilot assembly for direct fired make-up heater utilizing igniter surrounded by protective shroud24US 5,556,272 AThomas & Betts Corporation · 1996
- Burner ignition and flame monitoring system23US 4,405,299 AHoneywell Inc. · 1983