F27B 9/30
Details, accessories or equipment specially adapted for furnaces of these types
F27B9/30 (Details, accessories or equipment specially adapted for furnaces of these types) appears on 793 US grants and 649 published applications in this corpus.
Search patents in F27B- Granted patents
- 793
- Published applications
- 649
- Assignees
- 558
- Inventors
- 1,835
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 14 | 0 |
| 1978 | 11 | 0 |
| 1979 | 5 | 0 |
| 1980 | 15 | 0 |
| 1981 | 17 | 0 |
| 1982 | 10 | 0 |
| 1983 | 14 | 0 |
| 1984 | 20 | 0 |
| 1985 | 16 | 0 |
| 1986 | 25 | 0 |
| 1987 | 11 | 0 |
| 1988 | 25 | 0 |
| 1989 | 21 | 0 |
| 1990 | 29 | 0 |
| 1991 | 15 | 0 |
| 1992 | 4 | 0 |
| 1993 | 8 | 0 |
| 1994 | 12 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 9 | 0 |
| 1998 | 13 | 0 |
| 1999 | 27 | 0 |
| 2000 | 19 | 0 |
| 2001 | 25 | 6 |
| 2002 | 9 | 12 |
| 2003 | 13 | 14 |
| 2004 | 16 | 18 |
| 2005 | 10 | 11 |
| 2006 | 7 | 17 |
| 2007 | 3 | 21 |
| 2008 | 9 | 23 |
| 2009 | 14 | 28 |
| 2010 | 12 | 26 |
| 2011 | 21 | 17 |
| 2012 | 17 | 32 |
| 2013 | 11 | 29 |
| 2014 | 11 | 30 |
| 2015 | 21 | 35 |
| 2016 | 23 | 31 |
| 2017 | 21 | 20 |
| 2018 | 22 | 33 |
| 2019 | 21 | 29 |
| 2020 | 26 | 18 |
| 2021 | 20 | 29 |
| 2022 | 16 | 26 |
| 2023 | 21 | 29 |
| 2024 | 22 | 42 |
| 2025 | 23 | 42 |
| 2026 | 23 | 31 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F27B 9/36Arrangements of heating devices248
- F27B 9/3005Arrangements for circulating gases225
- F27B 9/40Arrangements of controlling or monitoring devices188
- F27B 9/38Arrangements of devices for charging127
- F27B 9/32Casings62
- F27B 9/39Arrangements of devices for discharging46
- F27B 9/3077Arrangements for treating electronic components25
- F27B 2009/305Particular conformation of the furnaceIndexing code14
All 14 subgroupsShow fewer
- F27B 2009/3094Means to store a part of the charge in the furnaceIndexing code13
- F27B 2009/3088Drying arrangementsIndexing code7
- F27B 9/3044Furnace regenerators7
- F27B 2009/3066Cooling the under-structure of the kilnIndexing code6
- F27B 2009/3083Arrangements to handle skid marksIndexing code1
- F27B 2009/3072Balancing the pressure between the upper part and the lower part ofIndexing code0
Recent patents
- Heat treatment system22 Sep 2026US 12,742,596 B2NGK Insulators, Ltd.
- 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
- Self correcting oven technology11 Aug 2026US 12,703,036 B2Jabil Inc.
- Graphitization furnace comprising widening cross-section8 Oct 2026US 2026/0309421 A1Sgl Carbon SE
- Temperature-control device1 Oct 2026US 2026/0297702 A1EBNER Industrieofenbau GmbH
- Frame and reflow oven24 Sep 2026US 2026/0284767 A1Illinois Tool Works Inc.
- Graphitization furnace comprising an agitator24 Sep 2026US 2026/0287259 A1Sgl Carbon SE
- Electrode heating device17 Sep 2026US 2026/0276305 A1LG Energy Solution, Ltd.
Most cited
By later US patents
- Temperature control system for a thermal reactor499US 6,441,350 B1Brooks Automation, Inc. · 2002
- 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
- Method and apparatus for fabrication of cobalt alloy composite inserts211US 6,063,333 ADennis Tool Company · 2000
- Tunnel oven121US 4,554,437 APet Incorporated · 1985
- Oven for the burn-in of integrated circuits89US 4,881,591 ASharetree Limited · 1989