F27D 2009/0002
Cooling of furnaces
Official title: {Cooling of furnaces}
F27D2009/0002 (Cooling of furnaces) appears on 379 US grants and 288 published applications in this corpus.
Search patents in F27D- Granted patents
- 379
- Published applications
- 288
- Assignees
- 279
- Inventors
- 857
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 5 | 0 |
| 1978 | 7 | 0 |
| 1979 | 4 | 0 |
| 1980 | 11 | 0 |
| 1981 | 5 | 0 |
| 1982 | 6 | 0 |
| 1983 | 9 | 0 |
| 1984 | 12 | 0 |
| 1985 | 6 | 0 |
| 1986 | 8 | 0 |
| 1987 | 5 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 5 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 6 | 0 |
| 1994 | 9 | 0 |
| 1995 | 5 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 7 | 0 |
| 1999 | 6 | 0 |
| 2000 | 16 | 0 |
| 2001 | 14 | 5 |
| 2002 | 9 | 5 |
| 2003 | 9 | 13 |
| 2004 | 13 | 12 |
| 2005 | 9 | 5 |
| 2006 | 4 | 9 |
| 2007 | 2 | 5 |
| 2008 | 2 | 6 |
| 2009 | 7 | 2 |
| 2010 | 4 | 1 |
| 2011 | 2 | 6 |
| 2012 | 2 | 3 |
| 2013 | 3 | 6 |
| 2014 | 4 | 8 |
| 2015 | 7 | 8 |
| 2016 | 7 | 17 |
| 2017 | 8 | 7 |
| 2018 | 9 | 21 |
| 2019 | 12 | 18 |
| 2020 | 16 | 17 |
| 2021 | 10 | 18 |
| 2022 | 12 | 24 |
| 2023 | 9 | 17 |
| 2024 | 20 | 20 |
| 2025 | 19 | 22 |
| 2026 | 13 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F27D 2009/001The cooling medium being a fluid other than a gasIndexing code143
- F27D 2009/0018The cooling medium passing through a pattern of tubesIndexing code109
- F27D 2009/0005The cooling medium being a gasIndexing code70
- F27D 2009/0051Comprising use of studs to transfer heat or retain the linerIndexing code58
- F27D 2009/0045The cooling medium passing a blockIndexing code56
- F27D 2009/004The cooling medium passing a waterboxIndexing code44
- F27D 2009/0056Use of high thermoconductive elementsIndexing code34
- F27D 2009/0067Cooling element inlet and outlet tubesIndexing code18
Recent patents
- Double effect absorption cooling for industrial applications25 Aug 2026US 12,716,655 B2Saudi Arabian Oil Company
- System and method for measuring cooling plate thickness in a blast furnace25 Aug 2026US 12,716,717 B2Paul Wurth S. A.
- Semiconductor high pressure annealing device25 Aug 2026US 12,721,088 B2Tokyo Electron Limited
- Metallurgical furnace11 Aug 2026US 12,704,326 B2Metso Metals Oy
- High pressure heat treatment apparatus4 Aug 2026US 12,698,939 B2HPSP Co., Ltd.
- Inspection assembly for a furnace environment3 Sep 2026US 2026/0259007 A1Tallman Technologies Inc.
- Ovens for equipment such as die attach systems, flip chip bonding systems, clip attach systems, and related methods6 Aug 2026US 2026/0225171 A1Kulicke and Soffa Industries, Inc.
- Recombinant virus, composition comprising the same, and uses thereof9 Jul 2026US 2026/0194298 A1Academia Sinica
- Stand alone copper burner panel for a metallurgical furnace2 Jul 2026US 2026/0185779 A1Systems Spray-Cooled, Inc.
- System and method for measuring cooling plate thickness in a blast furnace11 Jun 2026US 2026/0160547 A1Paul Wurth S. A.
Most cited
By later US patents
- Apparatus and method for submerged injection of a feed composition into a molten metal bath151US 5,443,572 AMolten Metal Technology, Inc. · 1995
- Air cooled molten metal pump frame84US 5,303,903 AReynolds Metals Company · 1994
- Integral side wall and tap hole cover for an eccentric bottom tap (EBT) electric furnace83US 6,185,242 B2South Carolina Systems, Inc. · 2001
- Use of high carbon coal ash72US 6,755,905 B2Lafarge Canada Inc. · 2004
- Lightweight aggregate from flyash and sewage sludge44US 5,342,442 AWisconsin Electric Power Company · 1994