C30B 15/30
Mechanisms for rotating or moving either the melt or the crystal
Official title: Mechanisms for rotating or moving either the melt or the crystal (flotation methods C30B15/28)
C30B15/30 (Mechanisms for rotating or moving either the melt or the crystal) appears on 429 US grants and 340 published applications in this corpus.
Search patents in C30B- Granted patents
- 429
- Published applications
- 340
- Assignees
- 183
- Inventors
- 863
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 5 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 8 | 0 |
| 1987 | 8 | 0 |
| 1988 | 3 | 0 |
| 1989 | 8 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 6 | 0 |
| 1993 | 8 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 16 | 0 |
| 1999 | 36 | 0 |
| 2000 | 25 | 0 |
| 2001 | 12 | 2 |
| 2002 | 11 | 11 |
| 2003 | 12 | 7 |
| 2004 | 3 | 3 |
| 2005 | 3 | 9 |
| 2006 | 4 | 6 |
| 2007 | 10 | 14 |
| 2008 | 5 | 9 |
| 2009 | 5 | 16 |
| 2010 | 8 | 14 |
| 2011 | 3 | 12 |
| 2012 | 10 | 10 |
| 2013 | 11 | 13 |
| 2014 | 11 | 5 |
| 2015 | 7 | 8 |
| 2016 | 6 | 13 |
| 2017 | 10 | 13 |
| 2018 | 17 | 16 |
| 2019 | 11 | 9 |
| 2020 | 9 | 16 |
| 2021 | 13 | 23 |
| 2022 | 11 | 31 |
| 2023 | 21 | 19 |
| 2024 | 19 | 28 |
| 2025 | 19 | 19 |
| 2026 | 9 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Methods and devices for growing scintillation crystals with multi-component garnet structure22 Sep 2026US 12,742,258 B2Boya Advanced Materials Co., Ltd.
- Charging method for silicon material and preparation method for single crystal15 Sep 2026US 12,735,803 B2Tcl Zhonghuan Renewable Energy Technology Co., Ltd.
- Suspended lifting device for diversion cylinder15 Sep 2026US 12,735,805 B2Tcl Zhonghuan Renewable Energy Technology Co., Ltd.
- Open Czochralski furnace for single crystal growth14 Jul 2026US 12,680,188 B2Boya Advanced Materials Co., Ltd.
- Ingot growing apparatus23 Jun 2026US 12,662,753 B2Hanwha Corporation
- Ingot growth device and method for controlling ingot growth8 Oct 2026US 2026/0308800 A1Hanwha Solutions Corporation
- Open czochralski furnace for single crystal growth8 Oct 2026US 2026/0308801 A1Boya Advanced Materials Co., Ltd.
- Silicon single crystal manufacturing method, and silicon single crystal manufacturing apparatus1 Oct 2026US 2026/0297810 A1Sumco Corporation
- Apparatus and method for growth of gallium oxide crystal with an offcut3 Sep 2026US 2026/0258579 A1Luxium Solutions, LLC
- Monocrystalline silicon drawing device and method13 Aug 2026US 2026/0234832 A1Jingao Solar Co., Ltd.
Most cited
By later US patents
- Apparatus for and method of handling crystals from crystal-growing furnaces73US 4,350,560 AFerrofluidics Corporation · 1982
- Device for generating a variable magnetic field52US 6,535,092 B1Magnetic Solutions (Holdings) Limited · 2003
- System for growth of single crystal materials with extreme uniformity in their structural and electrical properties46US 4,659,421 AEnergy Materials Corporation · 1987
- Method for controlling oxygen content of silicon crystals using a combination of cusp magnetic field and crystal and crucible rotation rates44US 5,178,720 AMEMC Electronic Materials, Inc. · 1993
- Apparatus for producing czochralski-grown single crystals42US 5,126,113 AShin-Etsu Handotai Co., Ltd. · 1992