C25B 1/33
Silicon
C25B1/33 (Silicon) appears on 26 US grants and 46 published applications in this corpus.
Search patents in C25B- Granted patents
- 26
- Published applications
- 46
- Assignees
- 36
- Inventors
- 115
- Latest grant
- 30 Jun 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 3 |
| 2005 | 1 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 4 |
| 2011 | 2 | 3 |
| 2012 | 1 | 4 |
| 2013 | 2 | 4 |
| 2014 | 3 | 3 |
| 2015 | 3 | 5 |
| 2016 | 3 | 4 |
| 2017 | 2 | 1 |
| 2018 | 2 | 3 |
| 2019 | 1 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 2 |
| 2025 | 0 | 4 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- One-step growth of a dense, photoresponsive silicon film in molten calcium chloride30 Jun 2020US 10,697,080 B2Board of Regents, The University of Texas System
- Method and apparatus for producing solar grade silicon using a SOM electrolysis process23 Apr 2019US 10,266,951 B2Trustees of Boston University
- System and method for electrorefining of silicon11 Sep 2018US 10,072,345 B2Arizona Board of Regents on behalf of Arizona State University
- Method for producing metal and method for producing refractory metal11 Sep 2018US 10,072,346 B2Toho Titanium Co., Ltd.
- System and method for purification of electrolytic salt10 Oct 2017US 9,783,898 B2Arizona Board of Regents on behalf of Arizona State University
- Electrolysis of molten metal oxides and subsequent uses24 Sep 2026US 2026/0286541 A1
- Electrolytic methods and systems for the production of metallurgical grade silicon18 Jun 2026US 2026/0168113 A1Alliance for Energy Innovation, LLC
- Methods for Producing Silicon-Containing Structures Using Redox Mediators and Chemical Reduction9 Oct 2025US 2025/0313967 A1GRU Energy Lab Inc.
- Zirconia-based hollow anodes for improved molten regolith electrolysis28 Aug 2025US 2025/0270713 A1California Institute of Technology
- Solidifying metals or metalloids from a liquid cathode during molten oxide electrolysis7 Aug 2025US 2025/0250690 A1Blue Origin Manufacturing, LLC
Most cited
By later US patents
- Method for producing calcium or calcium alloys and silicon of high purity15US 4,738,759 AExtramet S.A. Zone Industrielle · 1988
- Electrodeposition of molten silicon6US 4,292,145 AThe Board of Trustees of the Leland Stanford Junior University · 1981
- Method for electrolytic production and refining of metals5US 7,901,561 B2Elkem AS · 2011
- Magnesiothermic methods of producing high-purity silicon5US 7,972,584 B2Orion Laboratories, Inc. · 2011
- Method and apparatus for the production of silicium metal, silumin and aluminium metal4US 5,873,993 A1999