C04B 2235/3222
Aluminates other than alumino-silicates
Official title: Aluminates other than alumino-silicates, e.g. spinel (MgAl2O4)
C04B2235/3222 (Aluminates other than alumino-silicates) appears on 758 US grants and 963 published applications in this corpus.
Search patents in C04B- Granted patents
- 758
- Published applications
- 963
- Assignees
- 382
- Inventors
- 1,841
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 5 | 0 |
| 1992 | 5 | 0 |
| 1993 | 5 | 0 |
| 1994 | 4 | 0 |
| 1995 | 7 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 5 | 0 |
| 2002 | 5 | 14 |
| 2003 | 8 | 35 |
| 2004 | 17 | 29 |
| 2005 | 15 | 40 |
| 2006 | 22 | 34 |
| 2007 | 25 | 45 |
| 2008 | 18 | 32 |
| 2009 | 30 | 39 |
| 2010 | 29 | 54 |
| 2011 | 29 | 45 |
| 2012 | 34 | 55 |
| 2013 | 41 | 42 |
| 2014 | 39 | 37 |
| 2015 | 36 | 44 |
| 2016 | 42 | 34 |
| 2017 | 31 | 43 |
| 2018 | 30 | 43 |
| 2019 | 36 | 47 |
| 2020 | 24 | 40 |
| 2021 | 32 | 46 |
| 2022 | 37 | 37 |
| 2023 | 38 | 36 |
| 2024 | 33 | 35 |
| 2025 | 28 | 32 |
| 2026 | 17 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Paramagnetic garnet-based transparent ceramic and method for producing same6 Oct 2026US 12,755,877 B2Shin-Etsu Chemical Co., Ltd.
- Refractory compound and binder therefor, method for the production and use thereof6 Oct 2026US 12,757,552 B2Intocast AG
- Methods of making nanopowders, nanoceramic materials and nanoceramic components15 Sep 2026US 12,735,363 B2APPLIED Materials.Inc.
- 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
- Alpha alumina-based ceramic material and methods of making same17 Sep 2026US 2026/0275179 A13M Innovative Properties Company
- Expanded clay aggregate and method of preparing the same10 Sep 2026US 2026/0265134 A1Wuhan University of Technology
- Ceramic complex, light emitting device, and method for producing ceramic complex13 Aug 2026US 2026/0234470 A1Nichia Corporation
- Methods of forming a temperature-stable, low-dielectric constant material with an ultra-low loss tangent16 Jul 2026US 2026/0200802 A1Skyworks Solutions, Inc.
- Composite sintered body16 Jul 2026US 2026/0200803 A1NGK Insulators, Ltd.
Most cited
By later US patents
- Tunable dielectric compositions including low loss glass184US 6,905,989 B2Paratek Microwave, Inc. · 2005
- Al2O3-Y2O3-ZrO2/HfO2 materials, and methods of making and using the same131US 7,507,268 B23M Innovative Properties Company · 2009
- Method and apparatus which reduce the erosion rate of surfaces exposed to halogen-containing plasmas123US 7,696,117 B2APPLIED Materials.Inc. · 2010
- Mixed-metal oxide particles by liquid feed flame spray pyrolysis of oxide precursors in oxygenated solvents114US 7,220,398 B2TAL Materials & The Regents of the University of Michigan · 2007
- Method of making amorphous materials and ceramics111US 7,168,267 B23M Innovative Properties Company · 2007