F23D 14/08
With axial outlets at the burner head
Official title: with axial outlets at the burner head
F23D14/08 (With axial outlets at the burner head) appears on 169 US grants and 181 published applications in this corpus.
Search patents in F23D- Granted patents
- 169
- Published applications
- 181
- Assignees
- 115
- Inventors
- 381
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 6 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 2 |
| 2003 | 3 | 16 |
| 2004 | 5 | 7 |
| 2005 | 14 | 3 |
| 2006 | 3 | 5 |
| 2007 | 1 | 5 |
| 2008 | 0 | 3 |
| 2009 | 1 | 4 |
| 2010 | 2 | 5 |
| 2011 | 4 | 5 |
| 2012 | 2 | 11 |
| 2013 | 3 | 14 |
| 2014 | 6 | 10 |
| 2015 | 11 | 9 |
| 2016 | 7 | 16 |
| 2017 | 8 | 11 |
| 2018 | 8 | 10 |
| 2019 | 9 | 13 |
| 2020 | 14 | 15 |
| 2021 | 11 | 2 |
| 2022 | 8 | 3 |
| 2023 | 6 | 3 |
| 2024 | 2 | 6 |
| 2025 | 1 | 1 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Convection conveyor oven manifold and damper system22 Sep 2026US 12,742,546 B2The Middleby Corporation
- Nozzle assembly having swirl-free air and hydrogen inflow6 Jan 2026US 12,516,817 B2Rolls-Royce Deutschland Ltd & Co KG
- Fuel/air mixture and combustion apparatus and associated methods for use in a fuel-fired heating apparatus22 Jul 2025US 12,366,357 B2Rheem Manufacturing Company
- Multi injection dual ring gas burner for domestic gas cooking units26 Mar 2024US 11,940,148 B2Electrolux Appliances Aktiebolag
- Burner assembly, gas turbine combustor, and gas turbine2 Jan 2024US 11,859,822 B2Mitsubishi Heavy Industries, Ltd.
- Torch assembly27 Aug 2026US 2026/0251298 A1Worthington Torch, LLC
- Torch assembly27 Aug 2026US 2026/0251299 A1Worthington Torch, LLC
- Nozzle assembly having swirl-free air and hydrogen inflow19 Jun 2025US 2025/0198624 A1Rolls-Royce Deutschland Ltd & Co KG
- Fire grate, burner, and gas water heater19 Dec 2024US 2024/0418364 A1Wuhu Midea Smart Kitchen Appliance Manufacturing Co., Ltd.
- Torch assembly19 Dec 2024US 2024/0418365 A1Worthington Torch, LLC
Most cited
By later US patents
- Low NO.sub.x premix burner96US 4,629,413 AExxon Research & Engineering Co. · 1986
- Low emission combustion system63US 6,145,501 ACarrier Corporation · 2000
- Converging flame burner38US 6,619,280 B12003
- Gas burner nozzle37US 5,186,620 ABeckett Gas, Inc. · 1993
- Burner system33US 4,858,592 ABelshaw Bros., Inc. · 1989