F23D 99/004
For use in particular heating operations
Official title: {for use in particular heating operations}
F23D99/004 (For use in particular heating operations) appears on 193 US grants and 208 published applications in this corpus.
Search patents in F23D- Granted patents
- 193
- Published applications
- 208
- Assignees
- 177
- Inventors
- 524
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 10 |
| 2004 | 5 | 8 |
| 2005 | 9 | 4 |
| 2006 | 2 | 11 |
| 2007 | 0 | 8 |
| 2008 | 5 | 9 |
| 2009 | 2 | 12 |
| 2010 | 6 | 13 |
| 2011 | 6 | 10 |
| 2012 | 3 | 10 |
| 2013 | 15 | 5 |
| 2014 | 9 | 7 |
| 2015 | 2 | 15 |
| 2016 | 10 | 14 |
| 2017 | 11 | 9 |
| 2018 | 16 | 9 |
| 2019 | 6 | 5 |
| 2020 | 7 | 11 |
| 2021 | 7 | 5 |
| 2022 | 12 | 8 |
| 2023 | 4 | 6 |
| 2024 | 1 | 8 |
| 2025 | 4 | 8 |
| 2026 | 6 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Furnace for implementing an endothermic process11 Aug 2026US 12,704,257 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- High-temperature ceramic combustor with thermophotovoltaic power generation11 Aug 2026US 12,706,559 B2Massachusetts Institute of Technology
- Metal curing ovens with quick heat-up and cool-down, and processes of using same14 Jul 2026US 12,678,823 B2EPCON Industrial Services, LP
- Radiant heating element with free end24 Feb 2026US 12,560,382 B2Drever International S.A.
- Apparatus for producing inorganic spheroidized particles and method for producing inorganic spheroidized particles10 Feb 2026US 12,546,535 B2Taiyo Nippon Sanso Corporation
- Glass melting process with low co2 emission20 Aug 2026US 2026/0242269 A1Agc Glass Europe
- Heating apparatus for a fluid conveying line28 May 2026US 2026/0146735 A1
- Pulverized coal and warm nuclear fusion combined glowing flame burner19 Mar 2026US 2026/0081041 A1Leading Guochuang (Beijing) Technology Group Co., LTD
- Method for heating steel sheet, method for producing coated steel sheet, direct fired furnace, and continuous hot-dip galvanizing facility25 Dec 2025US 2025/0388989 A1Jfe Steel Corporation
- Burner for a remforming reactor13 Nov 2025US 2025/0345764 A1Casale SA
Most cited
By later US patents
- Method and apparatus for generating power by combustion of vaporized fuel87US 7,313,916 B2Philip Morris USA Inc. · 2008
- Burner for the thermal regeneration of a particle filter in an exhaust gas aftertreatment system of an internal combustion engine, especially a diesel engine85US 5,826,428 AJ. Eberspächer GmbH & Co. KG · 1998
- Gaseous fuel burner77US 7,934,926 B2DEKA Products Limited Partnership · 2011
- Fired heater73US 7,789,658 B2Uop LLC · 2010
- Apparatus for electric steelmaking43US 5,714,113 AAmerican Combustion, Inc. · 1998