F27B 9/36
Arrangements of heating devices
F27B9/36 (Arrangements of heating devices) appears on 248 US grants and 273 published applications in this corpus.
Search patents in F27B- Granted patents
- 248
- Published applications
- 273
- Assignees
- 233
- Inventors
- 733
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 6 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 6 | 0 |
| 1981 | 7 | 0 |
| 1982 | 1 | 0 |
| 1983 | 6 | 0 |
| 1984 | 7 | 0 |
| 1985 | 5 | 0 |
| 1986 | 5 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 8 | 0 |
| 2000 | 4 | 0 |
| 2001 | 5 | 2 |
| 2002 | 3 | 5 |
| 2003 | 7 | 6 |
| 2004 | 9 | 13 |
| 2005 | 6 | 4 |
| 2006 | 2 | 7 |
| 2007 | 3 | 8 |
| 2008 | 3 | 11 |
| 2009 | 6 | 11 |
| 2010 | 3 | 13 |
| 2011 | 4 | 9 |
| 2012 | 8 | 9 |
| 2013 | 4 | 15 |
| 2014 | 6 | 11 |
| 2015 | 7 | 19 |
| 2016 | 11 | 10 |
| 2017 | 12 | 11 |
| 2018 | 6 | 16 |
| 2019 | 9 | 10 |
| 2020 | 12 | 5 |
| 2021 | 7 | 7 |
| 2022 | 5 | 9 |
| 2023 | 3 | 19 |
| 2024 | 11 | 17 |
| 2025 | 9 | 16 |
| 2026 | 10 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F27B 2009/3607Heaters located above the track of the chargeIndexing code24
- F27B 2009/3638Heaters located above and under the trackIndexing code21
- F27B 2009/3623Heaters located under the trackIndexing code3
- F27B 2009/3646Heating the ceiling or the walls for a reverberatory effectIndexing code3
- F27B 2009/3684Combustion within a combustion chamber with outlets in the kiln chamberIndexing code3
- F27B 2009/3692The charge containing combustible materialsIndexing code3
- F27B 2009/3653Preheated fuelIndexing code0
Recent patents
- Firing furnace8 Sep 2026US 12,729,914 B2Samsung Electro-Mechanics Co., Ltd.
- Heat treatment apparatus for manufacturing active material for secondary battery1 Sep 2026US 12,723,812 B2Hanwha Momentum Corporation
- Method and device for heating a furnace18 Aug 2026US 12,710,173 B2Linde Aktiengesellschaft
- Burner, apparatus and method for the firing of ceramic articles16 Jun 2026US 12,656,062 B2Sacmi Forni & Filter S.P.A.
- Direct flame preheating section for a continuous metal strip processing line31 Mar 2026US 12,590,761 B2Fives Stein
- Temperature-control device1 Oct 2026US 2026/0297702 A1EBNER Industrieofenbau GmbH
- Electrode heating device17 Sep 2026US 2026/0276305 A1LG Energy Solution, Ltd.
- Method for heating a steel intermediate strip when producing a flat steel strip23 Jul 2026US 2026/0210634 A1Primetals Technologies Austria GmbH
- Thermal treatment device, method and use2 Jul 2026US 2026/0185177 A1SMS group GmbH
- Apparatus for firing cathode material of secondary battery18 Jun 2026US 2026/0171467 A1Posco Future M Co., Ltd.
Most cited
By later US patents
- Burner furnace for solid fuels and a method of burning different kinds of solid fuel in this furnace357US 4,250,817 AThermo Murg K.G. · 1981
- Direct reduction method and rotary hearth furnace41US 5,989,019 AKabushiki Kaisha Kobe Seiko Sho · 1999
- Oven heating system33US 4,217,090 AB & K Machinery International Limited · 1980
- Method of manufacturing crystalline silicon carbide28US 4,504,453 ATateho Kagaku Kogyo Kabushiki Kaisha · 1985
- Non-polluting hot gas generating system27US 4,878,839 AWS Warmeprozesstechnik GmbH · 1989