C04B 2235/728
Silicon content
C04B2235/728 (Silicon content) appears on 138 US grants and 170 published applications in this corpus.
Search patents in C04B- Granted patents
- 138
- Published applications
- 170
- Assignees
- 92
- Inventors
- 377
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 4 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 0 |
| 2003 | 3 | 15 |
| 2004 | 7 | 10 |
| 2005 | 6 | 13 |
| 2006 | 7 | 7 |
| 2007 | 8 | 1 |
| 2008 | 6 | 2 |
| 2009 | 1 | 1 |
| 2010 | 1 | 5 |
| 2011 | 1 | 2 |
| 2012 | 1 | 4 |
| 2013 | 2 | 3 |
| 2014 | 2 | 7 |
| 2015 | 6 | 8 |
| 2016 | 4 | 5 |
| 2017 | 4 | 8 |
| 2018 | 6 | 11 |
| 2019 | 10 | 12 |
| 2020 | 5 | 5 |
| 2021 | 8 | 10 |
| 2022 | 2 | 3 |
| 2023 | 5 | 12 |
| 2024 | 4 | 17 |
| 2025 | 5 | 6 |
| 2026 | 5 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process for producing a porous alpha-alumina catalyst support16 Jun 2026US 12,654,152 B2BASF SE
- Method for separating impurities from silicon carbide, and temperature-treated and purified silicon carbide powder24 Mar 2026US 12,583,752 B2ESK-SIC GmbH
- Vapor-mediated synthesis of silicon carbide matrices for ceramic matrix composites by reactive melt infiltration17 Mar 2026US 12,577,172 B2The Regents of the University of California
- Z-direction reinforced composites and methods of forming z-direction reinforced composites3 Mar 2026US 12,565,452 B2Goodrich Corporation
- Method to limit silicon in B4C particulate based CMC composites20 Jan 2026US 12,528,745 B2Goodrich Corporation
- Process for manufacturing a shaped si-sic article, shaped article, and use23 Jul 2026US 2026/0209126 A1Schunk Ingenieurkeramik GmbH
- Method to limit silicon in b4c particulate based cmc composites14 May 2026US 2026/0132088 A1Goodrich Corporation
- Multilayer ceramic electronic device and manufacturing method of the same25 Dec 2025US 2025/0391607 A1Taiyo Yuden Co., Ltd.
- Silicon consumable core for internal features in reaction bonded ceramics18 Sep 2025US 2025/0289762 A1II-Vi Delaware, Inc.
- Alumina-based fused grain8 May 2025US 2025/0145532 A1
Most cited
By later US patents
- Silicon carbide and silicon bonded polycrystalline diamond body and method of making it157US 4,151,686 AGeneral Electric Company · 1979
- Graphite-loaded silicon carbide112US 5,486,496 AAlumina Ceramics Co. (ACI) · 1996
- Graphite-loaded silicon carbide105US 5,543,368 AAlumina Ceramics Co. (ACI) · 1996
- Polycrystalline diamond body/silicon carbide substrate composite67US 4,241,135 AGeneral Electric Company · 1980
- Method of manufacturing a diamond composite and a composite produced by same62US 6,447,852 B1Ambler Technologies, Inc. · 2002