C04B 35/515
Based on non-oxide ceramics
Official title: based on non-oxide ceramics
C04B35/515 (Based on non-oxide ceramics) appears on 8,252 US grants and 6,846 published applications in this corpus.
Search patents in C04B- Granted patents
- 8,252
- Published applications
- 6,846
- Assignees
- 2,512
- Inventors
- 14,503
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 61 | 0 |
| 1977 | 73 | 0 |
| 1978 | 102 | 0 |
| 1979 | 53 | 0 |
| 1980 | 90 | 0 |
| 1981 | 87 | 0 |
| 1982 | 82 | 0 |
| 1983 | 79 | 0 |
| 1984 | 105 | 0 |
| 1985 | 142 | 0 |
| 1986 | 115 | 0 |
| 1987 | 137 | 0 |
| 1988 | 132 | 0 |
| 1989 | 192 | 0 |
| 1990 | 182 | 0 |
| 1991 | 200 | 0 |
| 1992 | 233 | 0 |
| 1993 | 188 | 0 |
| 1994 | 192 | 0 |
| 1995 | 157 | 0 |
| 1996 | 153 | 0 |
| 1997 | 145 | 0 |
| 1998 | 137 | 0 |
| 1999 | 172 | 0 |
| 2000 | 130 | 0 |
| 2001 | 140 | 47 |
| 2002 | 113 | 163 |
| 2003 | 133 | 200 |
| 2004 | 139 | 217 |
| 2005 | 107 | 225 |
| 2006 | 118 | 245 |
| 2007 | 125 | 207 |
| 2008 | 113 | 249 |
| 2009 | 126 | 260 |
| 2010 | 165 | 282 |
| 2011 | 175 | 249 |
| 2012 | 164 | 256 |
| 2013 | 199 | 270 |
| 2014 | 201 | 263 |
| 2015 | 200 | 278 |
| 2016 | 227 | 335 |
| 2017 | 244 | 308 |
| 2018 | 263 | 332 |
| 2019 | 257 | 348 |
| 2020 | 265 | 338 |
| 2021 | 285 | 342 |
| 2022 | 232 | 314 |
| 2023 | 228 | 338 |
| 2024 | 255 | 352 |
| 2025 | 256 | 255 |
| 2026 | 183 | 173 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C04B 35/58Based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides4,028
- C04B 35/56Based on carbides or oxycarbides3,572
- C04B 35/52Based on carbon1,733
- C04B 35/547Based on sulfides or selenides or tellurides219
- C04B 35/553Based on fluorides126
- C04B 35/5152Based on halogenides other than fluorides52
- C04B 35/5156Based on rare earth compounds46
- C04B 35/5158Based on actinide compounds17
All 9 subgroupsShow fewer
Recent patents
- Preceramic polymer printing binders for advanced ceramics6 Oct 2026US 12,753,123 B2University of Tennessee Research Foundation
- Ceramic, probe guiding member, probe card and socket for package inspection6 Oct 2026US 12,753,124 B2Ferrotec Material Technologies Corporation
- 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.
- Environmental barrier coating29 Sep 2026US 12,747,192 B2Rtx Corporation
- Disc brake pad and method for the manufacturing thereof29 Sep 2026US 12,747,764 B2Brembo S.p.A.
- Sintering additives for improved microstructure control8 Oct 2026US 2026/0308070 A1UT-Battelle, LLC
- Process for improving flash sintering of ceramics and improved ceramics8 Oct 2026US 2026/0308072 A1The Regents of the University of Colorado, a body corporate
- Environmental barrier coating8 Oct 2026US 2026/0308075 A1Rtx Corporation
- High Purity SiOC and SiC, Methods Compositions and Applications1 Oct 2026US 2026/0296898 A1Pallidus, Inc.
- Manufacturing of silicon-carbon composites materials1 Oct 2026US 2026/0296899 A1Group14 Technologies, Inc.
Most cited
By later US patents
- Wafer support fixtures for rapid thermal processing533US 5,514,439 A1996
- Method of rapidly densifying a porous structure524US 5,348,774 AAlliedSignal Inc. · 1994
- Composite abrasive compact having high thermal stability403US 5,127,923 AUS Synthetic Corporation · 1992
- Carbon fibrils, method for producing same and compositions containing same361US 4,663,230 AHyperion Catalysis International, Inc. · 1987
- Transparent aluminum oxynitride-based ceramic article335US 5,231,062 AMinnesota Mining and Manufacturing Company · 1993