C04B 2235/5244
Silicon carbide
C04B2235/5244 (Silicon carbide) appears on 1,047 US grants and 1,004 published applications in this corpus.
Search patents in C04B- Granted patents
- 1,047
- Published applications
- 1,004
- Assignees
- 329
- Inventors
- 1,771
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 5 | 0 |
| 1987 | 8 | 0 |
| 1988 | 11 | 0 |
| 1989 | 19 | 0 |
| 1990 | 13 | 0 |
| 1991 | 26 | 0 |
| 1992 | 29 | 0 |
| 1993 | 25 | 0 |
| 1994 | 25 | 0 |
| 1995 | 25 | 0 |
| 1996 | 21 | 0 |
| 1997 | 18 | 0 |
| 1998 | 16 | 0 |
| 1999 | 28 | 0 |
| 2000 | 16 | 0 |
| 2001 | 18 | 3 |
| 2002 | 14 | 25 |
| 2003 | 9 | 13 |
| 2004 | 11 | 15 |
| 2005 | 14 | 25 |
| 2006 | 8 | 26 |
| 2007 | 10 | 30 |
| 2008 | 14 | 20 |
| 2009 | 10 | 29 |
| 2010 | 10 | 10 |
| 2011 | 14 | 35 |
| 2012 | 16 | 24 |
| 2013 | 14 | 27 |
| 2014 | 22 | 32 |
| 2015 | 23 | 25 |
| 2016 | 22 | 55 |
| 2017 | 32 | 56 |
| 2018 | 40 | 58 |
| 2019 | 48 | 60 |
| 2020 | 61 | 80 |
| 2021 | 65 | 80 |
| 2022 | 54 | 49 |
| 2023 | 54 | 63 |
| 2024 | 69 | 70 |
| 2025 | 54 | 64 |
| 2026 | 43 | 30 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method to control dissolution of silicon carbide during fabrication of a ceramic matrix composite6 Oct 2026US 12,753,127 B1Rolls-Royce High Temperature Composites Inc.
- Exfoliated boron nitride for interface coating for ceramic matrix composites18 Aug 2026US 12,709,579 B2Rtx Corporation
- Multi-piece mandrel for building up airfoil structure18 Aug 2026US 12,709,985 B2Rtx Corporation
- Ceramic matrix composites and their preforms11 Aug 2026US 12,703,169 B2Rtx Corporation
- Tooling for producing z-channels in ceramic fiber preforms14 Jul 2026US 12,678,990 B2Rtx Corporation
- Preform tapered hole press for improved cvi-cmc microstructure1 Oct 2026US 2026/0296980 A1Rtx Corporation
- Cmc having roughened surfaces for improved heat transfer24 Sep 2026US 2026/0285769 A1Rtx Corporation
- Controlled particle injection in fabric for improved microstructre homogeneity in cmcs24 Sep 2026US 2026/0285770 A1Rtx Corporation
- Particle enhancement of ceramic matrix composites, method of manufacture thereof and articles comprising the same10 Sep 2026US 2026/0265152 A1Rtx Corporation
- Composite panel core structure27 Aug 2026US 2026/0250208 A1General Electric Company
Most cited
By later US patents
- Fiber reinforced ceramic matrix laminate164US 5,376,598 AThe Boeing Company · 1994
- BN coating of ceramic fibers for ceramic fiber composites139US 4,642,271 AThe United States of America as represented by the Secretary of the Navy · 1987
- Reinforced ceramic cutting tools130US 4,961,757 AAdvanced Composite Materials Corporation · 1990
- Carbon/carbon composite fasteners126US 5,127,783 AThe B. F. Goodrich Company · 1992
- Flexible graphite composite122US 5,902,762 AUCAR Carbon Technology Corporation · 1999