F27B 9/00
Furnaces through which the charge is moved mechanically
Official title: Furnaces through which the charge is moved mechanically, e.g. of tunnel type (rotary-drum furnaces with means for agitating or moving the charge F27B7/14); Similar furnaces in which the charge moves by gravity
F27B9/00 (Furnaces through which the charge is moved mechanically) appears on 1,745 US grants and 1,206 published applications in this corpus.
Search patents in F27B- Granted patents
- 1,745
- Published applications
- 1,206
- Assignees
- 1,057
- Inventors
- 3,548
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 38 | 0 |
| 1977 | 32 | 0 |
| 1978 | 24 | 0 |
| 1979 | 17 | 0 |
| 1980 | 38 | 0 |
| 1981 | 40 | 0 |
| 1982 | 28 | 0 |
| 1983 | 33 | 0 |
| 1984 | 48 | 0 |
| 1985 | 46 | 0 |
| 1986 | 57 | 0 |
| 1987 | 30 | 0 |
| 1988 | 50 | 0 |
| 1989 | 43 | 0 |
| 1990 | 45 | 0 |
| 1991 | 33 | 0 |
| 1992 | 21 | 0 |
| 1993 | 28 | 0 |
| 1994 | 37 | 0 |
| 1995 | 15 | 0 |
| 1996 | 13 | 0 |
| 1997 | 24 | 0 |
| 1998 | 31 | 0 |
| 1999 | 49 | 0 |
| 2000 | 39 | 0 |
| 2001 | 49 | 12 |
| 2002 | 31 | 26 |
| 2003 | 36 | 32 |
| 2004 | 36 | 39 |
| 2005 | 18 | 22 |
| 2006 | 20 | 32 |
| 2007 | 8 | 34 |
| 2008 | 18 | 38 |
| 2009 | 19 | 39 |
| 2010 | 23 | 51 |
| 2011 | 33 | 35 |
| 2012 | 30 | 52 |
| 2013 | 30 | 47 |
| 2014 | 24 | 47 |
| 2015 | 36 | 66 |
| 2016 | 41 | 69 |
| 2017 | 43 | 46 |
| 2018 | 38 | 67 |
| 2019 | 50 | 46 |
| 2020 | 49 | 47 |
| 2021 | 38 | 58 |
| 2022 | 37 | 57 |
| 2023 | 48 | 61 |
| 2024 | 46 | 68 |
| 2025 | 47 | 68 |
| 2026 | 38 | 47 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F27B 9/14Furnaces through which the charge is moved mechanically: characterised by the path1,066
- F27B 9/30Details, accessories or equipment specially adapted for furnaces of these types793
- F27B 9/06Heated without contact between combustion gases and charge402
- F27B 9/02Furnaces through which the charge is moved mechanically: of multiple-track type301
- F27B 9/28Furnaces through which the charge is moved mechanically: for treating continuous lengths222
- F27B 9/04Furnaces through which the charge is moved mechanically: adapted for treating the190
- F27B 9/12Furnaces through which the charge is moved mechanically: with special arrangements for119
Recent patents
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- 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
- Graphitization furnace comprising widening cross-section8 Oct 2026US 2026/0309421 A1Sgl Carbon SE
- Temperature-control device1 Oct 2026US 2026/0297702 A1EBNER Industrieofenbau GmbH
- Oven for heating an article on a conveyor1 Oct 2026US 2026/0298534 A1CPM Packaging Ltd
- Frame and reflow oven24 Sep 2026US 2026/0284767 A1Illinois Tool Works Inc.
- Method for the heat treatment of a bi-material metal part and device for carrying out the method24 Sep 2026US 2026/0286853 A1Safran
Most cited
By later US patents
- Temperature control system for a thermal reactor499US 6,441,350 B1Brooks Automation, Inc. · 2002
- Apparatus and method for pre-baking substrate upstream of process chamber476US 9,349,620 B2ASM IP Holdings B.V. · 2016
- 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 for cooling a furnace, and furnace provided with a cooling device351US 6,328,561 B1ASM International N.V. · 2001
- Enhanced sample processing devices, systems and methods229US 6,734,401 B23M Innovative Properties Company · 2004