F23D 2203/10
Flame diffusing means
F23D2203/10 (Flame diffusing means) appears on 457 US grants and 433 published applications in this corpus.
Search patents in F23D- Granted patents
- 457
- Published applications
- 433
- Assignees
- 283
- Inventors
- 967
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 5 | 0 |
| 1988 | 5 | 0 |
| 1989 | 5 | 0 |
| 1990 | 4 | 0 |
| 1991 | 5 | 0 |
| 1992 | 5 | 0 |
| 1993 | 9 | 0 |
| 1994 | 7 | 0 |
| 1995 | 11 | 0 |
| 1996 | 10 | 0 |
| 1997 | 10 | 0 |
| 1998 | 12 | 0 |
| 1999 | 17 | 0 |
| 2000 | 17 | 0 |
| 2001 | 13 | 1 |
| 2002 | 11 | 7 |
| 2003 | 7 | 11 |
| 2004 | 6 | 15 |
| 2005 | 11 | 13 |
| 2006 | 9 | 21 |
| 2007 | 5 | 10 |
| 2008 | 2 | 17 |
| 2009 | 5 | 13 |
| 2010 | 6 | 22 |
| 2011 | 7 | 10 |
| 2012 | 7 | 15 |
| 2013 | 9 | 16 |
| 2014 | 10 | 18 |
| 2015 | 15 | 20 |
| 2016 | 10 | 29 |
| 2017 | 17 | 19 |
| 2018 | 30 | 20 |
| 2019 | 16 | 33 |
| 2020 | 24 | 36 |
| 2021 | 18 | 21 |
| 2022 | 24 | 17 |
| 2023 | 13 | 17 |
| 2024 | 8 | 14 |
| 2025 | 16 | 8 |
| 2026 | 10 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F23D 2203/101Characterised by surface shapeIndexing code193
- F23D 2203/102Using perforated platesIndexing code179
- F23D 2203/105Porous platesIndexing code141
- F23D 2203/103Using screensIndexing code58
- F23D 2203/106Assemblies of different layersIndexing code51
- F23D 2203/104GridsIndexing code31
- F23D 2203/108With stacked sheets or strips forming the outletsIndexing code18
- F23D 2203/107Coated with catalystsIndexing code16
Recent patents
- Process burner with distal flame holder25 Aug 2026US 12,716,582 B2
- Burner and water heating apparatus including same2 Jun 2026US 12,644,595 B2Kyungdong Navien Co., Ltd.
- Fuel-air mixing and flame stabilization device for a low emission burner with internal flue gas recirculation26 May 2026US 12,638,174 B2Honeywell International Inc.
- Burner and method of operation19 May 2026US 12,631,326 B2Air Products and Chemicals, Inc.
- Burner component and burner5 May 2026US 12,618,554 B2Dalian Institute of Chemical Physics, Chinese Academy of Sciences
- Fast-heating gas space heater10 Sep 2026US 2026/0266458 A1Junsky Appliances Limited
- Burner and method of operation6 Aug 2026US 2026/0227063 A1Air Products and Chemicals, Inc.
- Burner and water heating apparatus including the same2 Jul 2026US 2026/0185739 A1Kyungdong Navien Co., Ltd.
- Distribution part for gas burner25 Jun 2026US 2026/0177233 A1BSH Hausgeräte GmbH
- Burner body with variable gas outlet area30 Apr 2026US 2026/0117969 A1Ariston S.P.A.
Most cited
By later US patents
- Infrared gas grill142US 4,321,857 A1982
- Non-catalytic porous-phase combustor120US 4,643,667 AInstitute of Gas Technology · 1987
- High temperature surface combustion burner84US 4,673,349 ANGK Insulators, Ltd. · 1987
- Uniform-burning matrix burner81US 6,183,241 B2Midwest Research Institute · 2001
- Atmospheric gas burner assembly78US 5,240,411 AMor-Flo Industries, Inc. · 1993