F23L 15/02
Arrangements of regenerators
F23L15/02 (Arrangements of regenerators) appears on 293 US grants and 160 published applications in this corpus.
Search patents in F23L- Granted patents
- 293
- Published applications
- 160
- Assignees
- 154
- Inventors
- 488
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 5 | 0 |
| 1983 | 4 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 5 | 0 |
| 1987 | 2 | 0 |
| 1988 | 9 | 0 |
| 1989 | 10 | 0 |
| 1990 | 13 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 5 | 0 |
| 1994 | 5 | 0 |
| 1995 | 4 | 0 |
| 1996 | 16 | 0 |
| 1997 | 7 | 0 |
| 1998 | 15 | 0 |
| 1999 | 14 | 0 |
| 2000 | 14 | 0 |
| 2001 | 7 | 1 |
| 2002 | 8 | 8 |
| 2003 | 9 | 3 |
| 2004 | 7 | 5 |
| 2005 | 5 | 4 |
| 2006 | 4 | 9 |
| 2007 | 2 | 3 |
| 2008 | 3 | 2 |
| 2009 | 2 | 8 |
| 2010 | 2 | 5 |
| 2011 | 3 | 6 |
| 2012 | 2 | 8 |
| 2013 | 2 | 7 |
| 2014 | 9 | 11 |
| 2015 | 5 | 6 |
| 2016 | 4 | 10 |
| 2017 | 15 | 6 |
| 2018 | 5 | 7 |
| 2019 | 5 | 5 |
| 2020 | 9 | 15 |
| 2021 | 8 | 10 |
| 2022 | 9 | 11 |
| 2023 | 10 | 5 |
| 2024 | 5 | 2 |
| 2025 | 4 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Furnace system29 Sep 2026US 12,747,860 B2Owens-Brockway Glass Container Inc.
- Heat exchanger and use thereof22 Jul 2025US 12,366,415 B2American Air Liquide, Inc.
- Regenerative burner system and method of use3 Jun 2025US 12,320,521 B2Fives North American Combustion, Inc.
- Fuel enrichment system for fuel-fired appliance27 May 2025US 12,313,300 B2Rheem Manufacturing Company
- Enhancement of thermochemical regeneration operation21 Jan 2025US 12,203,705 B2Praxair Technology, Inc.
- Air heating apparatus12 Mar 2026US 2026/0071828 A1Kyungdong Navien Co., Ltd.
- Furnace system23 Oct 2025US 2025/0327573 A1Owens-Brockway Glass Container Inc.
- Ammonia And Low Btu Bio-Fuel Combustion In A Furnace With Thermochemical Heat Exchanger8 May 2025US 2025/0146664 A1
- Regenerative burner system6 Jun 2024US 2024/0183532 A1Sistem Teknik EndüStriyel Firinlar Limited Sirketi
- Monolithic heat-exchanger bodies16 May 2024US 2024/0159201 A1Hyliion Holdings Corp.
Most cited
By later US patents
- Method and system for reducing NO.sub.x and fuel emissions in a furnace149US 5,759,022 AGas Research Institute · 1998
- Method for apparatus for combusting fuel in a combustion chamber97US 5,154,599 A1992
- Method and system for increasing the efficiency and productivity of a high temperature furnace90US 6,113,389 AAmerican Air Liquide, Inc. · 2000
- Device and method for feeding fuel86US 7,104,784 B1Nippon Furnace Kogyo Kaisha, Ltd. · 2006
- Method of retrofitting a furnace to provide oxygen enrichment81US 6,276,928 B1American Air Liquide, Inc. · 2001