C04B 35/443
Magnesium aluminate spinel
C04B35/443 (Magnesium aluminate spinel) appears on 243 US grants and 273 published applications in this corpus.
Search patents in C04B- Granted patents
- 243
- Published applications
- 273
- Assignees
- 183
- Inventors
- 691
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 6 | 0 |
| 1993 | 2 | 0 |
| 1994 | 6 | 0 |
| 1995 | 2 | 0 |
| 1996 | 5 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 6 | 3 |
| 2002 | 3 | 3 |
| 2003 | 1 | 8 |
| 2004 | 6 | 15 |
| 2005 | 7 | 9 |
| 2006 | 6 | 7 |
| 2007 | 6 | 9 |
| 2008 | 1 | 11 |
| 2009 | 8 | 12 |
| 2010 | 6 | 18 |
| 2011 | 3 | 4 |
| 2012 | 16 | 9 |
| 2013 | 9 | 7 |
| 2014 | 2 | 19 |
| 2015 | 14 | 10 |
| 2016 | 8 | 11 |
| 2017 | 12 | 11 |
| 2018 | 5 | 14 |
| 2019 | 10 | 15 |
| 2020 | 8 | 14 |
| 2021 | 5 | 12 |
| 2022 | 11 | 8 |
| 2023 | 11 | 11 |
| 2024 | 6 | 12 |
| 2025 | 13 | 14 |
| 2026 | 4 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Batch for the production of a coarse ceramic refractory basic product, such product and method for its production, lining of an industrial furnace and industrial furnace25 Aug 2026US 12,715,815 B2Refratechnik Holding GmbH
- Ceramic article, semiconductor apparatus for manufacturing a semiconductor structure and method of manufacturing a ceramic article25 Aug 2026US 12,715,816 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Manufacturing line, process, and sintered article19 May 2026US 12,631,394 B2Corning Incorporated
- Method for manufacturing transparent ceramic materials31 Mar 2026US 12,590,038 B2Georgia Tech Research Corporation
- Methods for low energy inorganic material synthesis21 Oct 2025US 12,448,700 B2Rutgers, The State University of New Jersey
- Manufacturing line, process, and sintered article20 Aug 2026US 2026/0243510 A1Corning Incorporated
- Refractory material, method for producing same, and use thereof23 Jul 2026US 2026/0209125 A1
- Dvc for a smelting furnace lining16 Jul 2026US 2026/0200800 A1
- Composite sintered body16 Jul 2026US 2026/0200803 A1NGK Insulators, Ltd.
- Ceramic matrix composite and method for producing the same9 Jul 2026US 2026/0193141 A1Tosoh Corporation
Most cited
By later US patents
- Tunable dielectric compositions including low loss glass184US 6,905,989 B2Paratek Microwave, Inc. · 2005
- Method for producing transparent polycrystalline body with high ultraviolet transmittance115US 5,244,849 ACoors Porcelain Company · 1993
- Application of transparent polycrystalline body with high ultraviolet transmittance96US 4,983,555 ACoors Porcelain Company · 1991
- Methods of making composite ceramic articles having embedded filler71US 4,851,375 ALanxide Technology Company, LP · 1989
- Method for manufacturing dental restorations58US 6,648,645 B1Jeneric/Pentron Incorporated · 2003