F23D 2212/20
Metallic
Official title: metallic
F23D2212/20 (Metallic) appears on 136 US grants and 147 published applications in this corpus.
Search patents in F23D- Granted patents
- 136
- Published applications
- 147
- Assignees
- 122
- Inventors
- 369
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 10 | 0 |
| 2001 | 5 | 1 |
| 2002 | 5 | 5 |
| 2003 | 5 | 7 |
| 2004 | 4 | 6 |
| 2005 | 2 | 6 |
| 2006 | 4 | 7 |
| 2007 | 1 | 6 |
| 2008 | 0 | 4 |
| 2009 | 2 | 2 |
| 2010 | 4 | 11 |
| 2011 | 2 | 6 |
| 2012 | 2 | 3 |
| 2013 | 4 | 8 |
| 2014 | 3 | 2 |
| 2015 | 4 | 4 |
| 2016 | 1 | 8 |
| 2017 | 4 | 2 |
| 2018 | 5 | 5 |
| 2019 | 4 | 8 |
| 2020 | 5 | 12 |
| 2021 | 7 | 4 |
| 2022 | 8 | 3 |
| 2023 | 2 | 6 |
| 2024 | 2 | 8 |
| 2025 | 5 | 7 |
| 2026 | 7 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Nozzle tip for a solid fuel burner8 Sep 2026US 12,729,849 B2General Electric Technology GmbH
- Burner and water heating apparatus including same2 Jun 2026US 12,644,595 B2Kyungdong Navien Co., Ltd.
- Hydrogen gas burner26 May 2026US 12,638,173 B2Amf Den Boer B.V.
- Infrared radiation emitter28 Apr 2026US 12,613,031 B2
- Combustor with fuel plenum and extending mixing passages21 Apr 2026US 12,607,357 B2Pratt & Whitney Canada Corp.
- Hydrogen gas burner10 Sep 2026US 2026/0266459 A1Amf Den Boer B.V.
- Passively cooled aluminum barbecue pit3 Sep 2026US 2026/0258945 A1Predator Grills, LLC
- Recuperator burner base unit and recuperator burner6 Aug 2026US 2026/0227062 A1KueSol Additive GmbH
- Nickel-based alloy with a slurry coating, with high resistance to metal dusting2 Jul 2026US 2026/0185705 A1National Institute for Aerospace Technology (INTA)
- Combustion membrane for a gas burner12 Feb 2026US 2026/0043542 A1
Most cited
By later US patents
- Preheated fuel and oxidant combustion burner94US 6,126,438 AAmerican Air Liquide, Inc. · 2000
- Uniform-burning matrix burner81US 6,183,241 B2Midwest Research Institute · 2001
- Gas micro burner64US 7,488,171 B2R. J. Reynolds Tobacco Company · 2009
- Gas micro burner61US 6,827,573 B2Brown & Williamson Tobacco Corporation · 2004
- Variable flame retention device utilizing an interwoven flexible wire metal gauze54US 5,989,015 AGaz De France (G. D. F.) Service National · 1999