F27D 11/12
Arrangement of elements for electric heating in or on furnaces: with electromagnetic
Official title: with electromagnetic fields acting directly on the material being heated
F27D11/12 (Arrangement of elements for electric heating in or on furnaces: with electromagnetic) appears on 103 US grants and 140 published applications in this corpus.
Search patents in F27D- Granted patents
- 103
- Published applications
- 140
- Assignees
- 114
- Inventors
- 329
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 7 |
| 2011 | 0 | 5 |
| 2012 | 1 | 4 |
| 2013 | 4 | 14 |
| 2014 | 10 | 12 |
| 2015 | 5 | 9 |
| 2016 | 5 | 9 |
| 2017 | 11 | 12 |
| 2018 | 7 | 7 |
| 2019 | 10 | 6 |
| 2020 | 7 | 8 |
| 2021 | 5 | 6 |
| 2022 | 7 | 5 |
| 2023 | 5 | 10 |
| 2024 | 3 | 5 |
| 2025 | 6 | 10 |
| 2026 | 4 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Vacuum and gas tight enclosure for induction heating system23US 6,693,264 B2Celes · 2004
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- Method and apparatus for melting a particulate material12US 6,568,215 B2British Nuclear Fuels plc · 2003
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- Edge ring for a thermal processing chamber7US 8,744,250 B2APPLIED Materials.Inc. · 2014