F27B 1/08
Heated otherwise than by solid fuel mixed with charge
Official title: heated otherwise than by solid fuel mixed with charge
F27B1/08 (Heated otherwise than by solid fuel mixed with charge) appears on 73 US grants and 47 published applications in this corpus.
Search patents in F27B- Granted patents
- 73
- Published applications
- 47
- Assignees
- 68
- Inventors
- 163
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 6 | 0 |
| 1981 | 4 | 0 |
| 1982 | 7 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 2 |
| 2012 | 0 | 1 |
| 2013 | 1 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 5 |
| 2016 | 2 | 8 |
| 2017 | 3 | 4 |
| 2018 | 4 | 1 |
| 2019 | 3 | 1 |
| 2020 | 0 | 1 |
| 2021 | 3 | 0 |
| 2022 | 2 | 8 |
| 2023 | 0 | 3 |
| 2024 | 2 | 3 |
| 2025 | 5 | 3 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Apparatus and process for production of burnt lime or dolomite8 Sep 2026US 12,729,156 B2Fels-Werke GmbH
- Apparatus for producing inorganic spheroidized particles and method for producing inorganic spheroidized particles10 Feb 2026US 12,546,535 B2Taiyo Nippon Sanso Corporation
- Vertical-type baking apparatus of positive electrode material for secondary battery10 Feb 2026US 12,546,536 B2Posco Chemical Co., Ltd
- High pressure furnace and methods of use26 Aug 2025US 12,398,955 B2The Florida State University Research Foundation, Inc.
- Systems, methods and devices for cement manufacture10 Jun 2025US 12,325,671 B2Furno Materials Inc.
- Shaft furnace for the smelting of copper and method therefor20 Aug 2026US 2026/0242893 A1SMS group GmbH
- Method for calcining carbonated mineral stones in a parallel flow regenerative kiln and implemented kiln23 Jul 2026US 2026/0210631 A1S. A. Lhoist Recherche et Developpment
- Method of preparing a melt for the production of man-made mineral fibres11 Jun 2026US 2026/0159430 A1Rockwool A/S
- Melting Furnace and Method for Melting a Metal Material12 Mar 2026US 2026/0071819 A1Bayerische Motoren Werke Aktiengesellschaft
- Vertical kiln to for cement manufacturing4 Sep 2025US 2025/0276936 A1Furno Materials Inc.
Most cited
By later US patents
- Process and apparatus for treatment of excavated landfill material in a plasma fired cupola54US 4,998,486 AWestinghouse Electric Corp. · 1991
- Electric arc fired cupola for remelting of metal chips22US 4,530,101 AWestinghouse Electric Corp. · 1985
- Method of melting and apparatus therefor20US 4,097,028 AKlockner-Werke AG · 1978
- Shaft kiln utilized for lime production19US 4,747,773 A1988
- Aluminum purification system17US 4,216,010 AReynolds Metals Company · 1980