F27B 14/06
Heated electrically
Official title: heated electrically, e.g. induction crucible furnaces with or without any other source of heat (F27B14/04 takes precedence)
F27B14/06 (Heated electrically) appears on 350 US grants and 303 published applications in this corpus.
Search patents in F27B- Granted patents
- 350
- Published applications
- 303
- Assignees
- 250
- Inventors
- 797
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 5 | 0 |
| 1978 | 0 | 0 |
| 1979 | 4 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 7 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 6 | 0 |
| 1992 | 11 | 0 |
| 1993 | 8 | 0 |
| 1994 | 9 | 0 |
| 1995 | 11 | 0 |
| 1996 | 8 | 0 |
| 1997 | 6 | 0 |
| 1998 | 10 | 0 |
| 1999 | 13 | 0 |
| 2000 | 12 | 0 |
| 2001 | 6 | 1 |
| 2002 | 5 | 9 |
| 2003 | 15 | 11 |
| 2004 | 10 | 12 |
| 2005 | 5 | 8 |
| 2006 | 5 | 10 |
| 2007 | 3 | 14 |
| 2008 | 8 | 9 |
| 2009 | 7 | 5 |
| 2010 | 6 | 9 |
| 2011 | 1 | 16 |
| 2012 | 4 | 10 |
| 2013 | 9 | 22 |
| 2014 | 13 | 19 |
| 2015 | 10 | 27 |
| 2016 | 18 | 20 |
| 2017 | 12 | 10 |
| 2018 | 15 | 16 |
| 2019 | 13 | 12 |
| 2020 | 11 | 13 |
| 2021 | 12 | 6 |
| 2022 | 8 | 6 |
| 2023 | 7 | 10 |
| 2024 | 5 | 10 |
| 2025 | 5 | 10 |
| 2026 | 2 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Device for monitoring an apparatus for induction heating of a metal material, method for automatic loading and control system9 Jun 2026US 12,650,264 B2Otto Junker GmbH
- Apparatus and method for preparation of negative electrode material17 Mar 2026US 12,576,379 B2Epsilon Advanced Materials PVT Ltd
- Half-crucible dry hearth melter25 Nov 2025US 12,480,711 B1
- Apparatus and method for production of high purity copper-based alloys29 Jul 2025US 12,371,760 B2Doggone Investment Co. LLC
- DC plasma electric arc furnace for processing solid waste, method of processing solid waste, and products formed from DC plasma electric arc furnace13 May 2025US 12,298,077 B2
- Half-crucible dry hearth melter3 Sep 2026US 2026/0259006 A1
- Graphitization furnace and method for preparing artificial graphite2 Jul 2026US 2026/0185777 A1SK On Co., Ltd.
- Induction crucible furnace with a fireproof crucible25 Jun 2026US 2026/0181752 A1Abp Induction Systems GmbH
- Apparatus and method for production of high purity copper-based alloys21 May 2026US 2026/0139346 A1Doggone Investment Co. LLC
- Device for increasing productivity12 Mar 2026US 2026/0071821 A1Siemens Medical Solutions USA, Inc.
Most cited
By later US patents
- Mobile holding furnace having metering pump111US 4,739,974 AStemcor Corporation · 1988
- Method for induction melting reactive metals and alloys54US 4,738,713 AThe Duriron Company, Inc. · 1988
- Electroslag apparatus and guide37US 5,809,057 AGeneral Electric Company · 1998
- Longitudinal electromagnetic levitator35US 5,887,018 AWm. Marsh Rice University · 1999
- Aerosol reduction process for metal halides33US 5,460,642 ATeledyne Industries, Inc. · 1995