F27B 1/10
Details, accessories or equipment specially adapted for furnaces of these types
F27B1/10 (Details, accessories or equipment specially adapted for furnaces of these types) appears on 559 US grants and 497 published applications in this corpus.
Search patents in F27B- Granted patents
- 559
- Published applications
- 497
- Assignees
- 319
- Inventors
- 1,293
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 14 | 0 |
| 1978 | 9 | 0 |
| 1979 | 5 | 0 |
| 1980 | 6 | 0 |
| 1981 | 12 | 0 |
| 1982 | 13 | 0 |
| 1983 | 20 | 0 |
| 1984 | 9 | 0 |
| 1985 | 8 | 0 |
| 1986 | 8 | 0 |
| 1987 | 7 | 0 |
| 1988 | 9 | 0 |
| 1989 | 16 | 0 |
| 1990 | 6 | 0 |
| 1991 | 10 | 0 |
| 1992 | 5 | 0 |
| 1993 | 10 | 0 |
| 1994 | 3 | 0 |
| 1995 | 7 | 0 |
| 1996 | 8 | 0 |
| 1997 | 8 | 0 |
| 1998 | 7 | 0 |
| 1999 | 5 | 0 |
| 2000 | 6 | 0 |
| 2001 | 5 | 3 |
| 2002 | 11 | 3 |
| 2003 | 3 | 3 |
| 2004 | 4 | 14 |
| 2005 | 4 | 6 |
| 2006 | 3 | 8 |
| 2007 | 4 | 16 |
| 2008 | 9 | 19 |
| 2009 | 7 | 17 |
| 2010 | 8 | 21 |
| 2011 | 16 | 31 |
| 2012 | 19 | 24 |
| 2013 | 24 | 11 |
| 2014 | 17 | 17 |
| 2015 | 19 | 32 |
| 2016 | 11 | 24 |
| 2017 | 23 | 23 |
| 2018 | 16 | 21 |
| 2019 | 23 | 20 |
| 2020 | 26 | 17 |
| 2021 | 13 | 21 |
| 2022 | 13 | 24 |
| 2023 | 10 | 34 |
| 2024 | 18 | 41 |
| 2025 | 21 | 23 |
| 2026 | 15 | 24 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F27B 1/20Arrangements of devices for charging179
- F27B 1/16Arrangements of tuyeres97
- F27B 1/24Cooling arrangements68
- F27B 1/21Arrangements of devices for discharging61
- F27B 1/12Shells or casings53
- F27B 1/28Arrangements of monitoring devices, of indicators, of alarm devices52
- F27B 1/26Arrangements of controlling devices51
- F27B 1/22Arrangements of heat-exchange apparatus24
All 9 subgroupsShow fewer
Recent patents
- Method for manufacturing direct reduced iron and DRI manufacturing equipment6 Oct 2026US 12,753,452 B2ArcelorMittal
- Apparatus and process for production of burnt lime or dolomite8 Sep 2026US 12,729,156 B2Fels-Werke GmbH
- Metallurgical furnace11 Aug 2026US 12,704,326 B2Metso Metals Oy
- Method for operating a blast furnace plant23 Jun 2026US 12,663,212 B2Paul Wurth S. A.
- Refractory lining design and separation via destructive hydration7 Apr 2026US 12,595,211 B2HarbisonWalker International, Inc.
- Parallel-flow regenerative shaft kiln and method for burning carbonate rock8 Oct 2026US 2026/0309418 A1Maerz Ofenbau AG
- Graphitization furnace comprising widening cross-section8 Oct 2026US 2026/0309421 A1Sgl Carbon SE
- Tuyere for a metallurgical furnace1 Oct 2026US 2026/0297694 A1Paul Wurth S. A.
- Plant and method for burning carbonate rock24 Sep 2026US 2026/0285749 A1Scheuch Management Holding GmbH
- Systems and methods for direct reduction of iron ore24 Sep 2026US 2026/0287255 A1Uchicago Argonne, LLC
Most cited
By later US patents
- Apparatus for producing molten iron by submerged combustion67US 4,270,740 AMidrex Corporation · 1981
- Vertical shaft melting furnace and method of melting65US 4,877,449 AInstitute of Gas Technology · 1989
- Direct smelting plant43US 8,562,903 B2Technological Resources Pty. Limited · 2013
- Anchor system for refractory lining34US 8,383,055 B2Palmer Linings Pty Ltd. · 2013
- Process and apparatus for the metered introduction of fine-grain solid materials into an industrial furnace particularly a blast furnace or cupola furnace32US 4,758,118 A1988