F27B 14/08
Details specially adapted for crucible or pot furnaces
F27B14/08 (Details specially adapted for crucible or pot furnaces) appears on 526 US grants and 490 published applications in this corpus.
Search patents in F27B- Granted patents
- 526
- Published applications
- 490
- Assignees
- 410
- Inventors
- 1,234
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 10 | 0 |
| 1978 | 0 | 0 |
| 1979 | 6 | 0 |
| 1980 | 7 | 0 |
| 1981 | 3 | 0 |
| 1982 | 9 | 0 |
| 1983 | 10 | 0 |
| 1984 | 8 | 0 |
| 1985 | 8 | 0 |
| 1986 | 8 | 0 |
| 1987 | 9 | 0 |
| 1988 | 9 | 0 |
| 1989 | 5 | 0 |
| 1990 | 6 | 0 |
| 1991 | 12 | 0 |
| 1992 | 6 | 0 |
| 1993 | 7 | 0 |
| 1994 | 8 | 0 |
| 1995 | 7 | 0 |
| 1996 | 10 | 0 |
| 1997 | 8 | 0 |
| 1998 | 8 | 0 |
| 1999 | 5 | 0 |
| 2000 | 7 | 0 |
| 2001 | 6 | 2 |
| 2002 | 4 | 11 |
| 2003 | 16 | 10 |
| 2004 | 8 | 19 |
| 2005 | 2 | 12 |
| 2006 | 6 | 11 |
| 2007 | 7 | 17 |
| 2008 | 9 | 20 |
| 2009 | 7 | 14 |
| 2010 | 12 | 8 |
| 2011 | 5 | 13 |
| 2012 | 10 | 19 |
| 2013 | 9 | 34 |
| 2014 | 15 | 29 |
| 2015 | 15 | 38 |
| 2016 | 23 | 32 |
| 2017 | 26 | 16 |
| 2018 | 22 | 30 |
| 2019 | 23 | 25 |
| 2020 | 21 | 22 |
| 2021 | 18 | 19 |
| 2022 | 15 | 26 |
| 2023 | 22 | 22 |
| 2024 | 16 | 15 |
| 2025 | 19 | 18 |
| 2026 | 9 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F27B 14/10Crucibles232
- F27B 14/14Arrangements of heating devices151
- F27B 14/0806Charging or discharging devices78
- F27B 14/20Arrangement of controlling, monitoring, alarm or like devices62
- F27B 2014/0843Lining or casingIndexing code29
- F27B 2014/0825Crucible or pot supportIndexing code26
- F27B 2014/0837Cooling arrangementsIndexing code26
- F27B 2014/0887Movement of the meltIndexing code21
All 14 subgroupsShow fewer
- F27B 2014/085Preheating of the chargeIndexing code12
- F27B 2014/0881Two or more cruciblesIndexing code10
- F27B 2014/0862Flux guidesIndexing code8
- F27B 2014/0875Two zones or chambersIndexing code7
- F27B 2014/0868Magnetic shieldsIndexing code2
- F27B 2014/0893Heat-conductive material disposed on the surface of the meltIndexing code2
Recent patents
- Tapered phase change crucible system for the separation of rare earth elements30 Jun 2026US 12,669,286 B2SHINE Technologies, LLC
- Molybdenum-lined crucible30 Jun 2026US 12,669,287 B2X-energy, LLC
- 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
- Powder-material flying melting furnace having dual regenerative chambers19 May 2026US 12,631,397 B2
- Rotary firing device, furnace and rotary firing method thereof12 May 2026US 12,623,944 B2Jushi Group Co., Ltd.
- Tapered phase change crucible system for the separation of rare earth elements24 Sep 2026US 2026/0287258 A1SHINE Technologies, LLC
- Half-crucible dry hearth melter3 Sep 2026US 2026/0259006 A1
- Highly-insulated ingot mold6 Aug 2026US 2026/0225283 A1HarbisonWalker International Holdings, Inc.
- Solid precursor heating device for induction heating25 Jun 2026US 2026/0181748 A1Jiashan Zhuoyi Kaisheng Technology Co., Ltd.
- Apparatus and method for production of high purity copper-based alloys21 May 2026US 2026/0139346 A1Doggone Investment Co. LLC
Most cited
By later US patents
- Apparatus for melting metal particles122US 4,747,583 A1988
- Refractory shapes of ceramic fiber-containing material45US 4,737,326 ADidier-Werke AG · 1988
- Direct current electric arc furnace34US 5,526,374 AMannesmann Aktiengesellschaft · 1996
- Systems and methods for glass manufacturing34US 9,021,838 B22015
- Methods for controlling the superheat of the metal exiting the CIG apparatus in an electroslag refining process30US 5,769,151 AGeneral Electric Company · 1998