H05B 6/24
Crucible furnaces
Official title: Crucible furnaces (H05B6/30 takes precedence)
H05B6/24 (Crucible furnaces) appears on 188 US grants and 140 published applications in this corpus.
Search patents in H05B- Granted patents
- 188
- Published applications
- 140
- Assignees
- 130
- Inventors
- 457
- Latest grant
- 2 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 9 | 0 |
| 1987 | 6 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 4 | 0 |
| 1993 | 6 | 0 |
| 1994 | 2 | 0 |
| 1995 | 11 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 8 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 1 |
| 2002 | 3 | 4 |
| 2003 | 3 | 4 |
| 2004 | 5 | 4 |
| 2005 | 1 | 7 |
| 2006 | 6 | 6 |
| 2007 | 1 | 6 |
| 2008 | 3 | 6 |
| 2009 | 0 | 4 |
| 2010 | 3 | 2 |
| 2011 | 1 | 5 |
| 2012 | 1 | 5 |
| 2013 | 5 | 5 |
| 2014 | 3 | 6 |
| 2015 | 3 | 15 |
| 2016 | 12 | 10 |
| 2017 | 11 | 5 |
| 2018 | 6 | 5 |
| 2019 | 6 | 5 |
| 2020 | 2 | 7 |
| 2021 | 10 | 7 |
| 2022 | 3 | 4 |
| 2023 | 3 | 4 |
| 2024 | 3 | 5 |
| 2025 | 4 | 6 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Heater in hot-zone of single crystal pulling apparatus and single crystal pulling apparatus2 Dec 2025US 12,486,592 B2Xi'an Eswin Material Technology Co., Ltd.
- Method of cooling electric induction melting and holding furnaces for reactive metals and alloys27 May 2025US 12,317,397 B2Inductotherm Corp.
- Cold crucible11 Mar 2025US 12,247,785 B2Centre National De La Recherche Scientifique
- Cold crucible18 Feb 2025US 12,228,340 B2Centre National De La Recherche Scientifique
- Electric induction furnace with lining wear detection system24 Sep 2024US 12,098,886 B2Inductotherm Corp.
- Device for manufacturing scintillators, method of manufacture thereof6 Aug 2026US 2026/0226651 A1Siemens Medical Solutions USA, Inc.
- Induction crucible furnace with a fireproof crucible25 Jun 2026US 2026/0181752 A1Abp Induction Systems GmbH
- Atom Beam Generation Device, Physics Package, Physics Package for Optical Lattice Clock, Physics Package for Atomic Clock, Physics Package for Atomic Interferometer, Physics Package for Quantum Information Processing Device, and Physics Package System9 Oct 2025US 2025/0318039 A1JEOL Ltd.
- Dopant delivery system to ion source using induction heating2 Oct 2025US 2025/0308841 A1Axcelis Technologies, Inc.
- Method and apparatus for adjusting shunts for a coreless induction furnance11 Sep 2025US 2025/0287472 A1
Most cited
By later US patents
- Method for induction melting reactive metals and alloys54US 4,738,713 AThe Duriron Company, Inc. · 1988
- Induction furnace48US 5,901,170 AInductotherm Corp. · 1999
- Method and apparatus for inductively heating molten glass or the like43US 4,610,711 APPG Industries, Inc. · 1986
- Induction furnace for heating a workpiece in an inert atmosphere or vacuum33US 6,861,629 B2Ameritherm, Inc. · 2005
- Apparatus for generating an inductive heating field which interacts with metallic stock in a crucible28US 5,109,389 A1992