H05B 6/30
Arrangements for remelting or zone melting
H05B6/30 (Arrangements for remelting or zone melting) appears on 22 US grants and 8 published applications in this corpus.
Search patents in H05B- Granted patents
- 22
- Published applications
- 8
- Assignees
- 12
- Inventors
- 35
- Latest grant
- 13 Apr 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 0 | 1 |
| 2016 | 1 | 1 |
| 2017 | 2 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Single crystal production apparatus and single crystal producing method13 Apr 2021US 10,975,493 B2
- Inline melt control via RF power5 Feb 2019US 10,197,335 B2Apple Inc.
- Unevenly spaced induction coil for molten alloy containment12 Dec 2017US 9,841,237 B2Crucible Intellectual Property, LLC
- Inline melt control via RF power7 Nov 2017US 9,810,482 B2Apple Inc.
- Unevenly spaced induction coil for molten alloy containment24 May 2016US 9,346,099 B2Crucible Intellectual Property, LLC
- Single crystal production apparatus and single crystal producing method27 Sep 2018US 2018/0274124 A1
- Unevenly spaced induction coil for molten alloy containment8 Sep 2016US 2016/0258688 A1Crucible Intellectual Property, LLC
- Unevenly spaced induction coil for molten alloy containment15 Jan 2015US 2015/0013932 A1Crucible Intellectual Property, LLC
- Inline melt control via rf power13 Nov 2014US 2014/0332176 A1Apple Inc.
- Inline melt control via rf power17 Apr 2014US 2014/0102661 A1Apple Inc.
Most cited
By later US patents
- Induction coil in the form of a pancake coil for crucible-free zone melting13US 4,538,279 ASiemens Aktiengesellschaft · 1985
- RF induction heating apparatus for floating-zone melting12US 4,942,279 AShin-Etsu Handotai Co., Ltd. · 1990
- High-frequency induction heating coil11US 5,550,354 AShin-Etsu Handotai Co., Ltd. · 1996
- Simultaneous induction heating and stirring of a molten metal9US 6,546,039 B2Inductotherm Corp. · 2003
- Device and method for crucible-free zone melting of crystallizable rods in particular semiconductor rods8US 3,985,947 ASiemens Aktiengesellschaft · 1976