C04B 2237/068
Based on refractory oxides
Official title: based on refractory oxides, e.g. zirconia
C04B2237/068 (Based on refractory oxides) appears on 136 US grants and 127 published applications in this corpus.
Search patents in C04B- Granted patents
- 136
- Published applications
- 127
- Assignees
- 117
- Inventors
- 408
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 5 | 0 |
| 1992 | 5 | 0 |
| 1993 | 1 | 0 |
| 1994 | 5 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 3 |
| 2002 | 4 | 8 |
| 2003 | 7 | 2 |
| 2004 | 6 | 4 |
| 2005 | 3 | 7 |
| 2006 | 1 | 6 |
| 2007 | 1 | 4 |
| 2008 | 3 | 4 |
| 2009 | 3 | 5 |
| 2010 | 2 | 9 |
| 2011 | 3 | 6 |
| 2012 | 3 | 6 |
| 2013 | 3 | 5 |
| 2014 | 8 | 7 |
| 2015 | 7 | 4 |
| 2016 | 3 | 6 |
| 2017 | 0 | 5 |
| 2018 | 6 | 1 |
| 2019 | 4 | 5 |
| 2020 | 3 | 8 |
| 2021 | 5 | 6 |
| 2022 | 1 | 7 |
| 2023 | 9 | 5 |
| 2024 | 5 | 3 |
| 2025 | 1 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Multilayer sintered ceramic body14 Jul 2026US 12,679,777 B2Heraeus Covantics North America LLC
- Honeycomb structure, exhaust gas purification catalyst, and exhaust gas purification system25 Mar 2025US 12,257,574 B2NGK Insulators, Ltd.
- Support substrate and method for producing a support substrate24 Dec 2024US 12,177,970 B2Rogers Germany GmbH
- Multilayer electronic component24 Sep 2024US 12,100,559 B2Murata Manufacturing Co., Ltd.
- Cold sintering ceramics and composites3 Sep 2024US 12,077,478 B2The Penn State Research Foundation
- Composite substrate and device6 Aug 2026US 2026/0226657 A1NGK Insulators, Ltd.
- Multilayer sintered ceramic body28 Mar 2024US 2024/0101486 A1Heraeus Conamic North America LLC
- Coatings for Ceramic Substrates22 Feb 2024US 2024/0059622 A1Cardiac Pacemakers, Inc.
- Multilayer oxide ceramic body with aligned sintering behaviour11 Jan 2024US 2024/0009973 A1Ivoclar Vivadent AG
- Multilayer electronic component28 Sep 2023US 2023/0307187 A1Murata Manufacturing Co., Ltd.
Most cited
By later US patents
- Ceramic matrix composite turbine vane148US 6,648,597 B1Siemens Westinghouse Power Corporation · 2003
- Stress relief of metal-ceramic gas turbine seals58US 4,109,031 AUnited Technologies Corporation · 1978
- High hardness/high compressive stress multilayer coated tool45US 5,075,181 ABalzers Aktiengesellschaft · 1991
- Wavelength-converted semiconductor light emitting device43US 7,341,878 B2Philips Lumileds Lighting Company, LLC · 2008
- Element and method for connecting ceramic and metallic parts42US 4,325,647 AAktiengesellschaft Kuehnle, Kopp & Kausch · 1982