C04B 35/62813
Alumina or aluminates
Official title: {Alumina or aluminates}
C04B35/62813 (Alumina or aluminates) appears on 180 US grants and 214 published applications in this corpus.
Search patents in C04B- Granted patents
- 180
- Published applications
- 214
- Assignees
- 154
- Inventors
- 554
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 7 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 5 |
| 2004 | 2 | 8 |
| 2005 | 2 | 3 |
| 2006 | 4 | 11 |
| 2007 | 4 | 6 |
| 2008 | 2 | 9 |
| 2009 | 8 | 11 |
| 2010 | 4 | 15 |
| 2011 | 8 | 16 |
| 2012 | 11 | 7 |
| 2013 | 9 | 11 |
| 2014 | 9 | 7 |
| 2015 | 7 | 8 |
| 2016 | 7 | 6 |
| 2017 | 7 | 8 |
| 2018 | 9 | 13 |
| 2019 | 6 | 7 |
| 2020 | 4 | 7 |
| 2021 | 7 | 12 |
| 2022 | 4 | 8 |
| 2023 | 10 | 13 |
| 2024 | 10 | 8 |
| 2025 | 7 | 10 |
| 2026 | 3 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methods of making nanopowders, nanoceramic materials and nanoceramic components15 Sep 2026US 12,735,363 B2APPLIED Materials.Inc.
- Thermoelectric nanocomposite materials31 Mar 2026US 12,593,609 B2The Government of the United States of America, as represented by the Secretary of the Navy
- Aluminum nitride structure and method for producing same6 Jan 2026US 12,515,995 B2Panasonic Intellectual Property Management Co., Ltd.
- Method of producing aluminum hydroxide-coated SiC particles, dispersion solution and molded body containing same, and sintered body formed using same23 Dec 2025US 12,503,403 B2Fujimi Incorporated
- Coercivity-enhanced iron nitride nanoparticles with high saturation magnetization15 Jul 2025US 12,362,082 B2Niron Magnetics, Inc.
- Process for improving flash sintering of ceramics and improved ceramics8 Oct 2026US 2026/0308072 A1The Regents of the University of Colorado, a body corporate
- Alpha alumina-based ceramic material and methods of making same17 Sep 2026US 2026/0275179 A13M Innovative Properties Company
- Dielectric powder, method of preparing the same, and multilayer ceramic capacitor including the same4 Jun 2026US 2026/0155302 A1Samsung Electro-Mechanics Co., Ltd.
- Process for preparing a green multilayer sol-gel ceramic membrane2 Apr 2026US 2026/0092013 A1Petroleo Brasileiro S.A. - Petrobras
- Dense thin film coating comprising yttria and zirconia8 Jan 2026US 2026/0008725 A1APPLIED Materials.Inc.
Most cited
By later US patents
- Coated silicon carbide abrasive grain306US 5,009,675 ALonza Ltd. · 1991
- Atomic layer controlled deposition on particle surfaces225US 6,613,383 B1The Regents of the University of Colorado · 2003
- Nanocoated primary particles and method for their manufacture141US 6,913,827 B2The Regents of the University of Colorado · 2005
- Insulating and functionalizing fine metal-containing particles with conformal ultra-thin films137US 6,713,177 B2The Regents of the University of Colorado · 2004
- Electrical-energy-storage unit (EESU) utilizing ceramic and integrated-circuit technologies for replacement of electrochemical batteries116US 7,033,406 B2EEStor, Inc. · 2006