C04B 41/5053
Non-oxide ceramics
Official title: {non-oxide ceramics (carbon or carbonisable materials C04B41/5001)}
C04B41/5053 (Non-oxide ceramics) appears on 720 US grants and 505 published applications in this corpus.
Search patents in C04B- Granted patents
- 720
- Published applications
- 505
- Assignees
- 356
- Inventors
- 1,613
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 6 | 0 |
| 1981 | 14 | 0 |
| 1982 | 2 | 0 |
| 1983 | 10 | 0 |
| 1984 | 17 | 0 |
| 1985 | 16 | 0 |
| 1986 | 17 | 0 |
| 1987 | 11 | 0 |
| 1988 | 12 | 0 |
| 1989 | 13 | 0 |
| 1990 | 23 | 0 |
| 1991 | 23 | 0 |
| 1992 | 20 | 0 |
| 1993 | 25 | 0 |
| 1994 | 21 | 0 |
| 1995 | 15 | 0 |
| 1996 | 21 | 0 |
| 1997 | 21 | 0 |
| 1998 | 18 | 0 |
| 1999 | 12 | 0 |
| 2000 | 13 | 0 |
| 2001 | 18 | 6 |
| 2002 | 17 | 15 |
| 2003 | 15 | 14 |
| 2004 | 11 | 12 |
| 2005 | 7 | 11 |
| 2006 | 11 | 18 |
| 2007 | 6 | 10 |
| 2008 | 5 | 9 |
| 2009 | 8 | 15 |
| 2010 | 7 | 19 |
| 2011 | 5 | 15 |
| 2012 | 14 | 15 |
| 2013 | 14 | 17 |
| 2014 | 8 | 9 |
| 2015 | 7 | 8 |
| 2016 | 14 | 22 |
| 2017 | 9 | 17 |
| 2018 | 14 | 20 |
| 2019 | 13 | 29 |
| 2020 | 19 | 35 |
| 2021 | 24 | 42 |
| 2022 | 19 | 24 |
| 2023 | 30 | 32 |
| 2024 | 32 | 45 |
| 2025 | 29 | 28 |
| 2026 | 28 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Wear resistant coating produced from at least two different AlCr-based targets6 Oct 2026US 12,753,484 B2Oerlikon Surface Solutions AG, PfäFfikon
- Composite ceramic substrate having multi-layer configuration29 Sep 2026US 12,747,191 B2Tong Hsing Electronic Industries, Ltd.
- Honeycomb structure, electrically heating support, and exhaust gas purification device25 Aug 2026US 12,716,374 B2NGK Insulators, Ltd.
- Sagger for sintering lithium composite transition metal oxide and preparation method thereof4 Aug 2026US 12,698,242 B2Guangdong Brunp Recycling Technology Co., Ltd.
- Coating layer with slow SIO2 crystallization rate14 Jul 2026US 12,679,782 B2ROLLS-ROYCE plc
- Metal carbide-coated carbon material24 Sep 2026US 2026/0285774 A1Shin-Etsu Chemical Co., Ltd.
- Metal carbide-coated carbon material20 Aug 2026US 2026/0242300 A1Shin-Etsu Chemical Co., Ltd.
- Improved aluminum-containing nitride ceramic matrix composite, method of making, and method of use20 Aug 2026US 2026/0242660 A1SLT Technologies, Inc.
- Fabrication of ceramic matrix composites13 Aug 2026US 2026/0234069 A1Rtx Corporation
- Method for fabricating an environmental barrier coating on a ceramic matrix composite13 Aug 2026US 2026/0234070 A1Rtx Corporation
Most cited
By later US patents
- Method for protecting products made of a refractory material against oxidation, and resulting protected products259US 5,677,060 ASociete Europeenne de Propulsion · 1997
- Low pressure bonding of PCD bodies and method for drill bits and the like244US 4,943,488 ANorton Company · 1990
- Low pressure bonding of PCD bodies and method236US 5,030,276 ANorton Company · 1991
- Multilayer ceramics from hydrogen silsesquioxane200US 4,756,977 ADow Corning Corporation · 1988
- Method for low pressure bonding of PCD bodies191US 5,116,568 ANorton Company · 1992