C04B 35/62245
Rich in aluminium oxide
Official title: {rich in aluminium oxide}
C04B35/62245 (Rich in aluminium oxide) appears on 77 US grants and 85 published applications in this corpus.
Search patents in C04B- Granted patents
- 77
- Published applications
- 85
- Assignees
- 59
- Inventors
- 227
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 2 |
| 2003 | 2 | 4 |
| 2004 | 1 | 4 |
| 2005 | 0 | 1 |
| 2006 | 2 | 2 |
| 2007 | 1 | 0 |
| 2008 | 0 | 4 |
| 2009 | 0 | 13 |
| 2010 | 4 | 6 |
| 2011 | 5 | 5 |
| 2012 | 5 | 4 |
| 2013 | 3 | 2 |
| 2014 | 2 | 1 |
| 2015 | 5 | 6 |
| 2016 | 3 | 2 |
| 2017 | 2 | 2 |
| 2018 | 1 | 0 |
| 2019 | 1 | 6 |
| 2020 | 1 | 4 |
| 2021 | 3 | 4 |
| 2022 | 3 | 4 |
| 2023 | 1 | 7 |
| 2024 | 1 | 1 |
| 2025 | 2 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Ceramic continuous fibers having metal element and ceramic matrix composite material using same7 Jul 2026US 12,673,901 B2Tosoh Corporation
- Collection apparatus for collecting particulate matter generated in brake system of transport facility29 Apr 2025US 12,287,017 B2Korea Institute of Ceramic Engineering and Technology
- Flake-like composition and flake-like composition production method25 Mar 2025US 12,257,613 B2Nippon Fiber Corporation
- Low biopersistence inorganic fiber free of crystalline silica22 Oct 2024US 12,122,704 B2Unifrax I LLC
- Complex composite particles and methods13 Jun 2023US 11,673,840 B2Dynamic Material Systems, LLC
- Flake-like composition and flake-like composition production method12 Jun 2025US 2025/0187053 A1Nippon Fiber Corporation
- Methods of manufacturing green bodies and substrates26 Sep 2024US 2024/0317648 A1
- Cover-layer-including ceramic continuous fiber, method for producing the same, ceramic matrix composite material and method for producing the same21 Dec 2023US 2023/0406779 A1
- Ceramic continuous fibers having metal element and ceramic matrix composite material using same9 Nov 2023US 2023/0357088 A1Tosoh Corporation
- Melt-Formed Inorganic Fibres9 Nov 2023US 2023/0357971 A1Thermal Ceramics UK Limited
Most cited
By later US patents
- Flexible nonwoven mat204US 5,380,580 AMinnesota Mining and Manufacturing Company · 1995
- Catalytic converter having a metallic monolith mounted by a heat-insulating mat of refractory ceramic fibers154US 5,250,269 AMinnesota Mining and Manufacturing Company · 1993
- Non-frangible alumina-silica fibers117US 4,047,965 AMinnesota Mining and Manufacturing Company · 1977
- Shrink-resistant refractory fiber and process for making same73US 4,240,833 AThe Carborundum Company · 1980
- Graded refractory cermet article55US 4,743,511 AMinnesota Mining and Manufacturing Company · 1988