F23D 2900/21
Burners specially adapted for a particular use
F23D2900/21 (Burners specially adapted for a particular use) appears on 187 US grants and 216 published applications in this corpus.
Search patents in F23D- Granted patents
- 187
- Published applications
- 216
- Assignees
- 144
- Inventors
- 477
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 3 | 3 |
| 2003 | 3 | 6 |
| 2004 | 4 | 3 |
| 2005 | 6 | 1 |
| 2006 | 0 | 10 |
| 2007 | 3 | 9 |
| 2008 | 1 | 10 |
| 2009 | 3 | 4 |
| 2010 | 4 | 9 |
| 2011 | 4 | 5 |
| 2012 | 6 | 9 |
| 2013 | 5 | 8 |
| 2014 | 7 | 11 |
| 2015 | 5 | 10 |
| 2016 | 9 | 11 |
| 2017 | 10 | 13 |
| 2018 | 13 | 13 |
| 2019 | 9 | 12 |
| 2020 | 10 | 16 |
| 2021 | 15 | 11 |
| 2022 | 14 | 8 |
| 2023 | 6 | 15 |
| 2024 | 4 | 8 |
| 2025 | 6 | 7 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F23D 2900/21003For heating or re-burning air or gas in a ductIndexing code62
- F23D 2900/21002For use in car heating systemsIndexing code43
- F23D 2900/21007For producing sootIndexing code29
- F23D 2900/21001For use in blast furnacesIndexing code13
- F23D 2900/21004For use in gas fed fireplacesIndexing code13
- F23D 2900/21005For flame depositionIndexing code13
- F23D 2900/21006For heating a catalyst in a carIndexing code3
Recent patents
- Burner system and method for providing thermal energy12 May 2026US 12,624,830 B2Siqens GmbH
- Distribution ring for fuel in a burner, burner having such a distribution ring and drying drum having such a burner31 Mar 2026US 12,590,697 B2Benninghoven Zweigniederlassung Der Wirtgen Mineral Technologies GmbH
- Apparatus for producing inorganic spheroidized particles and method for producing inorganic spheroidized particles10 Feb 2026US 12,546,535 B2Taiyo Nippon Sanso Corporation
- Heating system, comprising a fuel-operated heating device23 Dec 2025US 12,502,934 B2Webasto SE
- Fingerprinting system and method18 Nov 2025US 12,474,048 B2Purdue Research Foundation
- Burner16 Jul 2026US 2026/0202052 A1Taiheiyo Engineering Inc.
- Hybrid duct device for heating an air flow16 Jul 2026US 2026/0202092 A1Fives Itas S.P.A.
- A gas heater assembly for a gas heating process and a system for a gas heating process12 Mar 2026US 2026/0071751 A1Luossavaara-Kiirunavaara AB
- Burner for a remforming reactor13 Nov 2025US 2025/0345764 A1Casale SA
- Heating device, heating apparatus and apparatus for providing a flow of gaseous hydrogen18 Sep 2025US 2025/0290665 A1ROLLS-ROYCE plc
Most cited
By later US patents
- Ceramic gas burner for a hot blast stove, and bricks therefor97US 5,052,922 AHoogovens Groep B.V. · 1991
- Production of fullerenic nanostructures in flames83US 5,985,232 AMassachusetts Institute of Technology · 1999
- Fired heater73US 7,789,658 B2Uop LLC · 2010
- Combustion system for a heater38US 6,880,549 B2Topp Intellectual Properties, Inc. · 2005
- Fuel selection valve assemblies34US 8,241,034 B2Continental Appliances, Inc. · 2012