F27B 14/00
Crucible or pot furnaces
F27B14/00 (Crucible or pot furnaces) appears on 712 US grants and 617 published applications in this corpus.
Search patents in F27B- Granted patents
- 712
- Published applications
- 617
- Assignees
- 537
- Inventors
- 1,635
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 15 | 0 |
| 1978 | 0 | 0 |
| 1979 | 9 | 0 |
| 1980 | 7 | 0 |
| 1981 | 6 | 0 |
| 1982 | 10 | 0 |
| 1983 | 12 | 0 |
| 1984 | 15 | 0 |
| 1985 | 8 | 0 |
| 1986 | 9 | 0 |
| 1987 | 11 | 0 |
| 1988 | 12 | 0 |
| 1989 | 6 | 0 |
| 1990 | 8 | 0 |
| 1991 | 17 | 0 |
| 1992 | 14 | 0 |
| 1993 | 12 | 0 |
| 1994 | 14 | 0 |
| 1995 | 14 | 0 |
| 1996 | 13 | 0 |
| 1997 | 12 | 0 |
| 1998 | 15 | 0 |
| 1999 | 15 | 0 |
| 2000 | 14 | 0 |
| 2001 | 9 | 2 |
| 2002 | 6 | 12 |
| 2003 | 19 | 14 |
| 2004 | 13 | 23 |
| 2005 | 5 | 13 |
| 2006 | 8 | 17 |
| 2007 | 10 | 19 |
| 2008 | 12 | 22 |
| 2009 | 9 | 15 |
| 2010 | 12 | 13 |
| 2011 | 6 | 23 |
| 2012 | 14 | 26 |
| 2013 | 13 | 49 |
| 2014 | 24 | 41 |
| 2015 | 21 | 47 |
| 2016 | 32 | 39 |
| 2017 | 33 | 22 |
| 2018 | 26 | 35 |
| 2019 | 27 | 26 |
| 2020 | 25 | 27 |
| 2021 | 20 | 22 |
| 2022 | 17 | 28 |
| 2023 | 25 | 28 |
| 2024 | 18 | 20 |
| 2025 | 21 | 21 |
| 2026 | 12 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F27B 14/08Details specially adapted for crucible or pot furnaces526
- F27B 14/06Heated electrically350
- F27B 14/04Crucible or pot furnaces: adapted for treating the charge in vacuum or79
- F27B 14/02Crucible or pot furnaces: with tilting or rocking arrangements45
- F27B 2014/002Smelting processIndexing code23
- F27B 2014/008Continuous castingIndexing code8
Recent patents
- Process for processing hard metal15 Sep 2026US 12,735,766 B2Betek GmbH & Co. KG
- Furnace apparatus for crystal production18 Aug 2026US 12,709,819 B2Zadient Technologies SAS
- 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
- 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.
- Graphitization furnace and method for preparing artificial graphite2 Jul 2026US 2026/0185777 A1SK On Co., Ltd.
- A method of treating a silicon carbide bearing material25 Jun 2026US 2026/0176714 A1Sibanye Stillwater Limited
Most cited
By later US patents
- Apparatus for melting metal particles122US 4,747,583 A1988
- 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
- Refractory shapes of ceramic fiber-containing material45US 4,737,326 ADidier-Werke AG · 1988
- Flash smelting furnace37US 5,042,964 AAmerican Combustion, Inc. · 1991