C30B 15/12
Double crucible methods
C30B15/12 (Double crucible methods) appears on 109 US grants and 89 published applications in this corpus.
Search patents in C30B- Granted patents
- 109
- Published applications
- 89
- Assignees
- 55
- Inventors
- 182
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 7 | 0 |
| 1991 | 8 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 5 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 8 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 0 |
| 2003 | 0 | 1 |
| 2004 | 2 | 1 |
| 2005 | 0 | 3 |
| 2006 | 2 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 2 |
| 2009 | 1 | 2 |
| 2010 | 0 | 2 |
| 2011 | 3 | 1 |
| 2012 | 3 | 4 |
| 2013 | 0 | 3 |
| 2014 | 1 | 6 |
| 2015 | 1 | 10 |
| 2016 | 4 | 4 |
| 2017 | 6 | 3 |
| 2018 | 3 | 10 |
| 2019 | 8 | 4 |
| 2020 | 2 | 1 |
| 2021 | 1 | 3 |
| 2022 | 2 | 6 |
| 2023 | 2 | 13 |
| 2024 | 9 | 6 |
| 2025 | 6 | 0 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Ingot growing apparatus23 Jun 2026US 12,662,753 B2Hanwha Corporation
- Apparatus for continuously growing ingot26 May 2026US 12,637,784 B2Hanwha Corporation
- Apparatus for continuously growing ingot24 Mar 2026US 12,584,237 B2Hanwha Corporation
- Use of arrays of quartz particles during single crystal silicon ingot production9 Sep 2025US 12,410,538 B2GlobalWafers Co., Ltd.
- Ingot puller apparatus having a flange that extends from the funnel or from the silicon feed tube26 Aug 2025US 12,398,483 B2GlobalWafers Co., Ltd.
- Ingot growth apparatus23 Apr 2026US 2026/0110108 A1
- Crucible assemblies and methods for forming a unitized crucible assembly14 Nov 2024US 2024/0376632 A1GlobalWafers Co., Ltd.
- Ingot puller apparatus having cooling jacket device with cooling fluid tubes10 Oct 2024US 2024/0337042 A1GlobalWafers Co., Ltd.
- Ingot puller apparatus having a flange that extends from the funnel or from the silicon feed tube3 Oct 2024US 2024/0328028 A1GlobalWafers Co., Ltd.
- Manufacture and repair of high temperature reinforced superconductors1 Aug 2024US 2024/0254652 A1LAU Superconductors Inc.
Most cited
By later US patents
- Method for growing a semiconductor single-crystal31US 5,858,085 AMitsubishi Materials Corporation · 1999
- Double crucible crystal growing process24US 4,246,064 AWestern Electric Company, Inc. · 1981
- Crystal pulling apparatus24US 4,894,206 AKabushiki Kaisha Toshiba · 1990
- Apparatus for process for growing crystals of semiconductor materials23US 5,196,173 AMitsubishi Materials Corporation · 1993
- System for continuous growing of monocrystalline silicon22US 8,317,919 B2Solaicx, Inc. · 2012