C01B 32/984
Preparation from elemental silicon
C01B32/984 (Preparation from elemental silicon) appears on 71 US grants and 80 published applications in this corpus.
Search patents in C01B- Granted patents
- 71
- Published applications
- 80
- Assignees
- 87
- Inventors
- 256
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 2 |
| 2002 | 1 | 3 |
| 2003 | 3 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 2 |
| 2006 | 0 | 2 |
| 2007 | 0 | 3 |
| 2008 | 3 | 3 |
| 2009 | 1 | 3 |
| 2010 | 0 | 3 |
| 2011 | 3 | 1 |
| 2012 | 0 | 4 |
| 2013 | 0 | 4 |
| 2014 | 3 | 6 |
| 2015 | 4 | 3 |
| 2016 | 4 | 2 |
| 2017 | 2 | 5 |
| 2018 | 3 | 5 |
| 2019 | 2 | 1 |
| 2020 | 4 | 4 |
| 2021 | 2 | 4 |
| 2022 | 0 | 7 |
| 2023 | 4 | 2 |
| 2024 | 4 | 4 |
| 2025 | 3 | 5 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Silicon carbide wafer and method of fabricating the same28 Apr 2026US 12,612,713 B2GlobalWafers Co., Ltd.
- Method and apparatus for producing silicon-containing materials23 Dec 2025US 12,503,364 B2Schmid Silicon Technology GmbH
- Stabilized porous silicon structure for highly stable silicon anode and methods of making15 Apr 2025US 12,275,641 B2Battelle Memorial Institute
- Silicon carbide ingot and method of fabricating the same15 Apr 2025US 12,276,043 B2GlobalWafers Co., Ltd.
- Method of obtaining a silicon carbide-graphene composite with a controlled surface morphology19 Nov 2024US 12,145,851 B2Uniwersytet Jagiellonski
- Method and apparatus for producing silicon-containing materials5 Mar 2026US 2026/0062294 A1Schmid Silicon Techn ology GmbH
- Solution-Processed Single Silicon Carbide Nanowires as Channel Layers in Transistors and Methods Thereof9 Oct 2025US 2025/0313480 A1Triad National Security, LLC
- Stabilized porous silicon structure for highly stable silicon anode and methods of making31 Jul 2025US 2025/0243072 A1Battelle Memorial Institute
- Microparticles and method for producing microparticles3 Jul 2025US 2025/0215232 A1Nisshin Engineering Inc.
- Method for recycling carbon dioxide and method for producing solid carbide29 May 2025US 2025/0171316 A1Tohoku University
Most cited
By later US patents
- Method of forming a heterojunction of a carbon nanotube and a different material, method of working a filament of a nanotube91US 6,203,864 B1NEC Corporation · 2001
- Process for preparation of a metal carbide-containing molded product80US 4,126,652 AToyo Boseki Kabushiki Kaisha · 1978
- Process for producing ultrafine particles of metals, metal compounds and ceramics and apparatus used therefor42US 4,812,166 ANippon Steel Corporation · 1989
- Method of making a silicon carbide article of less than full density35US 3,947,550 AFord Motor Company · 1976
- Method of producing silicon28US 4,377,564 ALicentia Patent-Verwaltungs-G.m.b.H. · 1983