C03C 2217/214
Al2o3
Official title: Al2O3
C03C2217/214 (Al2o3) appears on 156 US grants and 202 published applications in this corpus.
Search patents in C03C- Granted patents
- 156
- Published applications
- 202
- Assignees
- 134
- Inventors
- 498
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 2 |
| 2002 | 5 | 8 |
| 2003 | 3 | 8 |
| 2004 | 4 | 5 |
| 2005 | 3 | 4 |
| 2006 | 2 | 9 |
| 2007 | 1 | 7 |
| 2008 | 0 | 7 |
| 2009 | 7 | 5 |
| 2010 | 6 | 9 |
| 2011 | 4 | 9 |
| 2012 | 4 | 2 |
| 2013 | 7 | 5 |
| 2014 | 9 | 7 |
| 2015 | 1 | 5 |
| 2016 | 5 | 10 |
| 2017 | 5 | 17 |
| 2018 | 7 | 18 |
| 2019 | 8 | 14 |
| 2020 | 7 | 10 |
| 2021 | 9 | 11 |
| 2022 | 7 | 10 |
| 2023 | 8 | 4 |
| 2024 | 10 | 8 |
| 2025 | 6 | 3 |
| 2026 | 1 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Coated glass element24 Feb 2026US 12,559,421 B2Schott AG
- Coating composition having infrared reflective function, coating glass and method for preparation thereof, and cooking appliance using same28 Oct 2025US 12,454,481 B2Kongju National University Industry-University Cooperation Foundation
- Vacuum insulated panel with passivation layer9 Sep 2025US 12,410,654 B2LuxWall, Inc.
- Method for bonding substrate, transparent substrate laminate, and device provided with substrate laminate8 Jul 2025US 12,351,511 B2iSABers Japan Co. Ltd.
- Method for joining transparent substrates15 Apr 2025US 12,275,670 B2iSABers Japan Co. Ltd.
- Rapid Solution Combustion Synthesis of Highly Ordered Porous Metal Oxide Layers13 Aug 2026US 2026/0234808 A1The Board of Trustees of the Leland Stanford Junior University
- Hot end metal oxide coatings for glass substrates and containers25 Jun 2026US 2026/0176191 A1Arkema Inc.
- Hot end metal oxide coatings for glass substrates and containers4 Jun 2026US 2026/0152433 A1Arkema Inc.
- Glass panel, display, and terminal19 Mar 2026US 2026/0078050 A1Huawei Technologies Co., Ltd.
- Glass Cover and Preparation Method Therefor and Electronic Device5 Feb 2026US 2026/0036722 A1Honor Device Co., Ltd.
Most cited
By later US patents
- Process of making glass articles having antireflective coating176US 4,446,171 AOwens-Illinois, Inc. · 1984
- Coated glass microbubbles and article incorporating them134US 4,618,525 AMinnesota Mining and Manufacturing Company · 1986
- Alkali metal ion migration control112US 5,578,103 ACorning Incorporated · 1996
- Substrate with a photocatalytic coating105US 6,103,363 ASaint-Gobain Recherche · 2000
- Microstructured transmission and reflectance modifying coating80US 4,190,321 AMinnesota Mining and Manufacturing Company · 1980