F27B 9/02
Furnaces through which the charge is moved mechanically: of multiple-track type
Official title: of multiple-track type; of multiple-chamber type; Combinations of furnaces
F27B9/02 (Furnaces through which the charge is moved mechanically: of multiple-track type) appears on 301 US grants and 222 published applications in this corpus.
Search patents in F27B- Granted patents
- 301
- Published applications
- 222
- Assignees
- 255
- Inventors
- 761
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 7 | 0 |
| 1981 | 7 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 6 | 0 |
| 1985 | 4 | 0 |
| 1986 | 10 | 0 |
| 1987 | 9 | 0 |
| 1988 | 17 | 0 |
| 1989 | 10 | 0 |
| 1990 | 9 | 0 |
| 1991 | 11 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 5 | 0 |
| 1998 | 5 | 0 |
| 1999 | 9 | 0 |
| 2000 | 6 | 0 |
| 2001 | 11 | 2 |
| 2002 | 5 | 5 |
| 2003 | 3 | 5 |
| 2004 | 6 | 10 |
| 2005 | 4 | 6 |
| 2006 | 5 | 8 |
| 2007 | 1 | 4 |
| 2008 | 5 | 11 |
| 2009 | 9 | 8 |
| 2010 | 7 | 11 |
| 2011 | 4 | 8 |
| 2012 | 8 | 7 |
| 2013 | 3 | 7 |
| 2014 | 5 | 11 |
| 2015 | 7 | 9 |
| 2016 | 7 | 12 |
| 2017 | 7 | 7 |
| 2018 | 3 | 7 |
| 2019 | 4 | 5 |
| 2020 | 7 | 7 |
| 2021 | 4 | 10 |
| 2022 | 8 | 7 |
| 2023 | 11 | 8 |
| 2024 | 10 | 20 |
| 2025 | 6 | 16 |
| 2026 | 6 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method and kiln for the firing of substantially flat base ceramic articles8 Sep 2026US 12,729,855 B2Sacmi Forni & Filter S.P.A.
- Firing furnace8 Sep 2026US 12,729,914 B2Samsung Electro-Mechanics Co., Ltd.
- Apparatus and method for denaturing asbestos18 Aug 2026US 12,708,935 B2Thermachange Ltd
- Heat treatment system17 Feb 2026US 12,553,666 B2NGK Insulators, Ltd.
- Alternating and continuous microwave fiber tow coating thermo-chemical reactor furnace20 Jan 2026US 12,529,143 B2Rtx Corporation
- Oven for heating an article on a conveyor1 Oct 2026US 2026/0298534 A1CPM Packaging Ltd
- Method for the heat treatment of a bi-material metal part and device for carrying out the method24 Sep 2026US 2026/0286853 A1Safran
- Method of heating a steel semi-product in a heating furnace, and associated heating furnace3 Sep 2026US 2026/0259005 A1
- 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
- Temperature control system for a thermal reactor499US 6,441,350 B1Brooks Automation, Inc. · 2002
- Tunnel oven121US 4,554,437 APet Incorporated · 1985
- Temperature control system for a thermal reactor45US 6,207,937 B1Semitool, Inc. · 2001
- Thermal treating apparatus and process40US 5,997,286 AFord Motor Company · 1999
- System for extracting contaminants and hydrocarbons from cuttings waste in oil well drilling37US 4,606,283 A1986