C04B 35/62231
Based on oxide ceramics
Official title: {based on oxide ceramics}
C04B35/62231 (Based on oxide ceramics) appears on 484 US grants and 408 published applications in this corpus.
Search patents in C04B- Granted patents
- 484
- Published applications
- 408
- Assignees
- 316
- Inventors
- 1,198
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 5 | 0 |
| 1978 | 8 | 0 |
| 1979 | 5 | 0 |
| 1980 | 4 | 0 |
| 1981 | 9 | 0 |
| 1982 | 7 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 9 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 12 | 0 |
| 1989 | 15 | 0 |
| 1990 | 17 | 0 |
| 1991 | 19 | 0 |
| 1992 | 14 | 0 |
| 1993 | 16 | 0 |
| 1994 | 13 | 0 |
| 1995 | 8 | 0 |
| 1996 | 9 | 0 |
| 1997 | 7 | 0 |
| 1998 | 7 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 7 | 0 |
| 2002 | 2 | 8 |
| 2003 | 10 | 14 |
| 2004 | 5 | 11 |
| 2005 | 2 | 9 |
| 2006 | 3 | 11 |
| 2007 | 6 | 14 |
| 2008 | 2 | 11 |
| 2009 | 7 | 23 |
| 2010 | 8 | 31 |
| 2011 | 23 | 19 |
| 2012 | 12 | 30 |
| 2013 | 18 | 20 |
| 2014 | 14 | 15 |
| 2015 | 15 | 20 |
| 2016 | 20 | 19 |
| 2017 | 15 | 23 |
| 2018 | 16 | 12 |
| 2019 | 14 | 23 |
| 2020 | 6 | 23 |
| 2021 | 12 | 25 |
| 2022 | 18 | 14 |
| 2023 | 13 | 16 |
| 2024 | 9 | 9 |
| 2025 | 9 | 6 |
| 2026 | 4 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C04B 35/6224Fibres based on silica168
- C04B 35/62236Fibres based on aluminium oxide144
- C04B 35/62259Fibres based on titanium oxide68
- C04B 35/6225Fibres based on zirconium oxide57
- C04B 35/62254Fibres based on copper oxide29
- C04B 35/62263Fibres based on magnesium oxide17
- C04B 35/62268Fibres based on metal phosphorus oxides14
Recent patents
- Paste composition for additive manufacturing15 Sep 2026US 12,734,581 B2Vito NV
- Ceramic continuous fibers having metal element and ceramic matrix composite material using same7 Jul 2026US 12,673,901 B2Tosoh Corporation
- Compositions incorporating silica fibers17 Feb 2026US 12,552,133 B2American Nano, LLC
- Preparation device for magnesium oxide fiber and preparation method thereof27 Jan 2026US 12,534,816 B2Tangshan Weimei New Material Technology Co., Ltd.
- Topical compositions incorporating silica fibers14 Oct 2025US 12,440,503 B2American Nano, LLC
- Formulation and method for preparing flexible ceramic nanofibers for thermal insulation applications20 Aug 2026US 2026/0242295 A1
- Composition of flexible ceramic nanofibers for thermal insulation applications and method thereof20 Aug 2026US 2026/0242296 A1
- Microstructured fiber interface coatings for composites20 Nov 2025US 2025/0353795 A1Rtx Corporation
- Composite phosphor ceramic optical fiber with high luminous efficiency and high color rendering index, and preparation method therefor30 Oct 2025US 2025/0334731 A1Jiangsu Normal University
- Niobate particles and method for producing niobate particles3 Jul 2025US 2025/0214861 A1DIC Corporation
Most cited
By later US patents
- Microcrystalline alumina-based ceramic articles245US 5,185,299 AMinnesota Mining and Manufacturing Company · 1993
- Impregnation method for transformation of transition alumina to a alpha alumina226US 5,139,978 AMinnesota Mining and Manufacturing Company · 1992
- Microcrystalline alumina-based ceramic articles220US 4,954,462 AMinnesota Mining and Manufacturing Company · 1990
- Flexible nonwoven mat204US 5,380,580 AMinnesota Mining and Manufacturing Company · 1995
- Sintered sol gel alumina abrasive filaments202US 5,009,676 ANorton Company · 1991