F23N 5/26
Details
F23N5/26 (Details) appears on 155 US grants and 161 published applications in this corpus.
Search patents in F23N- Granted patents
- 155
- Published applications
- 161
- Assignees
- 116
- Inventors
- 347
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 0 |
| 2002 | 3 | 5 |
| 2003 | 8 | 2 |
| 2004 | 0 | 4 |
| 2005 | 1 | 2 |
| 2006 | 2 | 1 |
| 2007 | 1 | 1 |
| 2008 | 1 | 1 |
| 2009 | 1 | 1 |
| 2010 | 1 | 1 |
| 2011 | 1 | 2 |
| 2012 | 2 | 2 |
| 2013 | 0 | 6 |
| 2014 | 1 | 7 |
| 2015 | 3 | 12 |
| 2016 | 8 | 15 |
| 2017 | 10 | 4 |
| 2018 | 8 | 15 |
| 2019 | 9 | 13 |
| 2020 | 9 | 8 |
| 2021 | 8 | 11 |
| 2022 | 11 | 11 |
| 2023 | 10 | 17 |
| 2024 | 10 | 10 |
| 2025 | 13 | 6 |
| 2026 | 7 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems and methods for operation of a flexible fuel combustor25 Aug 2026US 12,716,589 B28 Rivers Capital, LLC
- Monitoring and maintaining flare tip temperatures4 Aug 2026US 12,698,896 B2Saudi Arabian Oil Company
- Boiler and method for stage change control thereof26 May 2026US 12,638,192 B2Kyungdong Navien Co., Ltd.
- Method for operating a gas burner and gas burner for performing the method28 Apr 2026US 12,613,033 B2Viessmann Climate Solutions SE
- Atomization burner with flexible fire rate14 Apr 2026US 12,601,481 B2Babington Technology, Inc.
- Plant and method for operating plant27 Aug 2026US 2026/0251301 A1Mitsubishi Heavy Industries, Ltd.
- Remaining gas amount management system27 Aug 2026US 2026/0251490 A1Panasonic Intellectual Property Management Co., Ltd.
- Burner body with variable gas outlet area30 Apr 2026US 2026/0117969 A1Ariston S.P.A.
- Component with Bus Termination26 Feb 2026US 2026/0055893 A1Siemens Aktiengesellschaft
- Sensor-Driven Variable Gas Flow Burner System18 Sep 2025US 2025/0290631 A1
Most cited
By later US patents
- Pilot flame powered burner controller with remote control operation71US 6,261,087 B1Honeywell International Inc. · 2001
- Heater with flame powered logic supply circuit66US 4,984,981 AA. O. Smith Corporation · 1991
- Control valves for heaters and fireplace devices57US 7,654,820 B22010
- Pressure proving gas valve55US 6,571,817 B1Honeywell International Inc. · 2003
- Burner with a perforated flame holder and pre-heat apparatus52US 9,377,190 B2Clearsign Combustion Corporation · 2016