C04B 35/62236
Fibres based on aluminium oxide
Official title: {Fibres based on aluminium oxide}
C04B35/62236 (Fibres based on aluminium oxide) appears on 144 US grants and 121 published applications in this corpus.
Search patents in C04B- Granted patents
- 144
- Published applications
- 121
- Assignees
- 122
- Inventors
- 408
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 0 | 0 |
| 1978 | 5 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 6 | 0 |
| 1989 | 4 | 0 |
| 1990 | 5 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 6 | 0 |
| 1995 | 5 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 2 | 6 |
| 2004 | 1 | 2 |
| 2005 | 0 | 1 |
| 2006 | 1 | 5 |
| 2007 | 1 | 5 |
| 2008 | 1 | 4 |
| 2009 | 2 | 4 |
| 2010 | 3 | 9 |
| 2011 | 6 | 6 |
| 2012 | 3 | 10 |
| 2013 | 5 | 5 |
| 2014 | 2 | 2 |
| 2015 | 5 | 7 |
| 2016 | 5 | 5 |
| 2017 | 3 | 7 |
| 2018 | 6 | 5 |
| 2019 | 5 | 7 |
| 2020 | 2 | 5 |
| 2021 | 1 | 11 |
| 2022 | 8 | 4 |
| 2023 | 4 | 5 |
| 2024 | 2 | 2 |
| 2025 | 3 | 4 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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
- Microstructured fiber interface coatings for composites19 Aug 2025US 12,391,622 B2Rtx Corporation
- Organic-inorganic hybrid nanofibres having a mesoporous inorganic phase, preparation thereof by electrospinning, membrane, electrode, and fuel cell1 Jul 2025US 12,347,906 B2Centre National De La Recherche Scientifique
- Full-fiber burner brick and preparation method thereof1 Apr 2025US 12,264,105 B2Luyang Energy-Saving Materials Co., Ltd.
- 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
- Method of Cladding Ceramic Optical Fibers20 Feb 2025US 2025/0059099 A1Government of the United States as Represented by the Secretary of the Air Force
- Tri-layer ceramic optical fibers and method of making20 Feb 2025US 2025/0060529 A1Government of the United States as Represented by the Secretary of the Air Force
- Methods of manufacturing green bodies and substrates26 Sep 2024US 2024/0317648 A1
Most cited
By later US patents
- Microcrystalline alumina-based ceramic articles245US 5,185,299 AMinnesota Mining and Manufacturing Company · 1993
- Microcrystalline alumina-based ceramic articles220US 4,954,462 AMinnesota Mining and Manufacturing Company · 1990
- Sintered sol gel alumina abrasive filaments202US 5,009,676 ANorton Company · 1991
- Sintered sol gel alumina abrasive filaments146US 5,194,072 ANorton Company · 1993
- Sintered sol gel alumina abrasive filaments122US 5,244,477 ANorton Company · 1993