F23D 14/66
Preheating the combustion air or gas
F23D14/66 (Preheating the combustion air or gas) appears on 199 US grants and 188 published applications in this corpus.
Search patents in F23D- Granted patents
- 199
- Published applications
- 188
- Assignees
- 168
- Inventors
- 549
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 9 | 0 |
| 1999 | 1 | 0 |
| 2000 | 8 | 0 |
| 2001 | 5 | 1 |
| 2002 | 5 | 1 |
| 2003 | 4 | 12 |
| 2004 | 5 | 8 |
| 2005 | 10 | 4 |
| 2006 | 4 | 11 |
| 2007 | 2 | 2 |
| 2008 | 1 | 6 |
| 2009 | 4 | 5 |
| 2010 | 3 | 9 |
| 2011 | 4 | 6 |
| 2012 | 5 | 4 |
| 2013 | 6 | 15 |
| 2014 | 5 | 15 |
| 2015 | 3 | 10 |
| 2016 | 9 | 4 |
| 2017 | 7 | 4 |
| 2018 | 4 | 5 |
| 2019 | 8 | 14 |
| 2020 | 7 | 6 |
| 2021 | 4 | 4 |
| 2022 | 7 | 10 |
| 2023 | 6 | 7 |
| 2024 | 7 | 8 |
| 2025 | 6 | 10 |
| 2026 | 4 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Burner and method for hydrogen combustion with enhanced luminosity6 Oct 2026US 12,753,918 B2Bloom Engineering Company, Inc.
- High-temperature ceramic combustor with thermophotovoltaic power generation11 Aug 2026US 12,706,559 B2Massachusetts Institute of Technology
- Burner assembly for air preheating combustion12 May 2026US 12,624,831 B2
- Scrubber burner10 Feb 2026US 12,546,470 B2Kabushiki Kaisha CSK
- Partial oxidation reactor with warm-up burner for production of synthesis gas4 Nov 2025US 12,459,812 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Reforming device27 Aug 2026US 2026/0249266 A1Kabushiki Kaisha Toyota Jidoshokki
- Recuperator burner base unit and recuperator burner6 Aug 2026US 2026/0227062 A1KueSol Additive GmbH
- Heat exchanger and burner4 Jun 2026US 2026/0153292 A1NGK Insulators, Ltd.
- Recuperative burner19 Mar 2026US 2026/0078899 A1Kueppers Solutions GmbH
- Air heating apparatus12 Mar 2026US 2026/0071828 A1Kyungdong Navien Co., Ltd.
Most cited
By later US patents
- Microcombustor having submillimeter critical dimensions168US 6,193,501 B1The Board of Trustees of the University of Illinois · 2001
- Heat recovery apparatus and methods of use107US 6,250,916 B1American Air Liquide, Inc. · 2001
- Injector for turbine engines97US 5,657,631 AB.B.A. Research & Development, Inc. · 1997
- Preheated fuel and oxidant combustion burner94US 6,126,438 AAmerican Air Liquide, Inc. · 2000
- Heat recovery apparatus and methods of use90US 6,071,116 AAmerican Air Liquide, Inc. · 2000