F27D 1/1647
The projected materials being partly melted
Official title: {the projected materials being partly melted, e.g. by exothermic reactions of metals (Al, Si) with oxygen}
F27D1/1647 (The projected materials being partly melted) appears on 46 US grants and 6 published applications in this corpus.
Search patents in F27D- Granted patents
- 46
- Published applications
- 6
- Assignees
- 22
- Inventors
- 107
- Latest grant
- 25 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
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| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 5 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
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| 1995 | 5 | 0 |
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| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 2 |
| 2003 | 0 | 0 |
| 2004 | 1 | 2 |
| 2005 | 2 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Method for protecting an inner wall of a shaft furnace25 Feb 2025US 12,235,047 B2Paul Wurth S. A.
- Dry mix for treating refractory substrates and process using same6 Aug 2013US 8,501,650 B2Fib-Services Intellectual S.A.
- Process for forming a vitreous layer on a refractory surface26 Apr 2005US 6,884,472 B2Glaverbel
- Refractory repair material batch25 Jan 2005US 6,846,763 B2Refratechnik Holding GmbH
- Centrifugally rolling granulating device and method of treating powder and granular material using the device8 Jun 2004US 6,745,960 B1Freund Industrial Co., Ltd.
- Method for protecting an inner wall of a shaft furnace10 Mar 2022US 2022/0074667 A1Paul Wurth S. A.
- Dry Mix for Treating Refractory Substrates and Process Using Same5 Aug 2010US 2010/0196609 A1Fib-Services Intellectual S.A.
- Process for forming a vitreous layer on a refractory surface3 Jun 2004US 2004/0105984 A1Glaverbel
- Refractory repair material batch27 May 2004US 2004/0102306 A1Refratechnik Holding GmbH
- Heat insulating material having high durability, method for producing the same, use of the same, and method for applying the same14 Nov 2002US 2002/0168554 A1
Most cited
By later US patents
- Forming coherent refractory masses45US 4,489,022 AGlaverbel · 1984
- Repairing apparatus for furnace wall38US 4,649,858 ASumitomo Metal Industries, Ltd. · 1987
- Method and apparatus for spray coating of refractory material to refractory construction24US 5,061,527 AKawasaki Steel Corporation · 1991
- Process for forming a porous refractory mass23US 5,061,526 AGlaverbel · 1991
- Refractory powder flame projecting apparatus22US 4,192,460 ANippon Steel Corporation · 1980