C04B 41/5059
Silicon carbide
Official title: {Silicon carbide}
C04B41/5059 (Silicon carbide) appears on 229 US grants and 220 published applications in this corpus.
Search patents in C04B- Granted patents
- 229
- Published applications
- 220
- Assignees
- 151
- Inventors
- 637
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 6 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 5 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 6 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 8 | 2 |
| 2002 | 7 | 5 |
| 2003 | 8 | 7 |
| 2004 | 4 | 4 |
| 2005 | 5 | 4 |
| 2006 | 5 | 6 |
| 2007 | 2 | 4 |
| 2008 | 2 | 2 |
| 2009 | 4 | 5 |
| 2010 | 0 | 10 |
| 2011 | 2 | 2 |
| 2012 | 1 | 8 |
| 2013 | 6 | 7 |
| 2014 | 1 | 4 |
| 2015 | 5 | 2 |
| 2016 | 4 | 9 |
| 2017 | 4 | 6 |
| 2018 | 4 | 8 |
| 2019 | 4 | 11 |
| 2020 | 7 | 23 |
| 2021 | 15 | 24 |
| 2022 | 8 | 9 |
| 2023 | 10 | 13 |
| 2024 | 15 | 20 |
| 2025 | 17 | 17 |
| 2026 | 13 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Honeycomb structure, electrically heating support, and exhaust gas purification device25 Aug 2026US 12,716,374 B2NGK Insulators, Ltd.
- Sagger for sintering lithium composite transition metal oxide and preparation method thereof4 Aug 2026US 12,698,242 B2Guangdong Brunp Recycling Technology Co., Ltd.
- Layered interface coating for improved fiber protection and matrix crack sealing28 Apr 2026US 12,612,339 B2Rtx Corporation
- Method for making a passivating coating based on one or more silicon compounds on a ceramic matrix composite reinforced with carbon fibres and ceramic matrix composite reinforced with carbon fibres with such coating21 Apr 2026US 12,606,499 B2C.I.R.A. (Centro Italiano Ricerche Aeropaziali) S.C.P.A.
- Metal carbide infiltrated C/C composites7 Apr 2026US 12,595,216 B2Honeywell International Inc.
- Fabrication of ceramic matrix composites13 Aug 2026US 2026/0234069 A1Rtx Corporation
- Method for fabricating an environmental barrier coating on a ceramic matrix composite13 Aug 2026US 2026/0234070 A1Rtx Corporation
- Method for producing graphitised formed parts by means of 3d printing6 Aug 2026US 2026/0225313 A1Nippon Kornmeyer Carbon Group GmbH
- Process for manufacturing a shaped si-sic article, shaped article, and use23 Jul 2026US 2026/0209126 A1Schunk Ingenieurkeramik GmbH
- Silicon carbide coatings and methods of fabricating and repairing the same2 Jul 2026US 2026/0184644 A1Blue Origin Manufacturing, LLC
Most cited
By later US patents
- CVD SiC pretreatment for carbon-carbon composites64US 4,425,407 AUnited Technologies Corporation · 1984
- Method of manufacturing a diamond composite and a composite produced by same62US 6,447,852 B1Ambler Technologies, Inc. · 2002
- Carbon barrier controlled metal infiltration layer for enhanced oxidation protection51US 6,555,173 B1Honeywell International Inc. · 2003
- High yield silicon carbide from alkylated or arylated pre-ceramic polymers40US 4,298,559 ADow Corning Corporation · 1981
- Surface treatment for carbon and product39US 4,702,960 AAvco Corporation · 1987