F27D 2009/0043
Insert type waterbox
Official title: {Insert type waterbox, e.g. cylindrical or flat type}
F27D2009/0043 (Insert type waterbox) appears on 20 US grants and 8 published applications in this corpus.
Search patents in F27D- Granted patents
- 20
- Published applications
- 8
- Assignees
- 14
- Inventors
- 38
- Latest grant
- 23 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 1 |
| 2018 | 1 | 0 |
| 2019 | 1 | 1 |
| 2020 | 0 | 2 |
| 2021 | 1 | 1 |
| 2022 | 3 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Heat treatment furnace23 Sep 2025US 12,422,192 B2NGK Insulators, Ltd.
- Cooling box for a shaft furnace27 Dec 2022US 11,535,904 B2Paul Wurth Italia S.P.A.
- Copper cooling plate with multilayer protrusions comprising wear resistant material, for a blast furnace3 May 2022US 11,319,604 B2ArcelorMittal
- Cooling panel for metallurgical furnace18 Jan 2022US 11,225,694 B2Paul Wurth S. A.
- Copper cooling plate with wear resistant inserts, for a blast furnace19 Oct 2021US 11,150,020 B2ArcelorMittal
- Heat treatment furnace1 Jun 2023US 2023/0168036 A1NGK Insulators, Ltd.
- Cooling box for a shaft furnace2 Dec 2021US 2021/0371943 A1Paul Wurth Italia S.P.A.
- Copper cooling plate with multilayer protrusions comprising wear resistant material, for a blast furnace23 Jan 2020US 2020/0024677 A1ArcelorMittal
- Cooling panel for metallurgical furnace23 Jan 2020US 2020/0024678 A1Paul Wurth S. A.
- Copper cooling plate with wear resistant inserts, for a blast furnace5 Dec 2019US 2019/0368814 A1ArcelorMittal
Most cited
By later US patents
- Water jacket of arc furnace22US 6,563,855 B1Shinto Kogyo Kabushiki Kaisha · 2003
- Heat exchange devices for cooling the wall and refractory of a blast-furnace9US 4,411,311 A1983
- Cooling box for metallurgical furnace7US 4,029,053 ANippon Kokan Kabushiki Kaisha · 1977
- Cooling boxes for blast-furnaces7US 4,192,258 A1980
- Heat exchange devices for cooling the wall and refractory of a blast furnace5US 4,210,101 A1980