C04B 35/5622
Based on zirconium or hafnium carbides
Official title: {based on zirconium or hafnium carbides}
C04B35/5622 (Based on zirconium or hafnium carbides) appears on 172 US grants and 158 published applications in this corpus.
Search patents in C04B- Granted patents
- 172
- Published applications
- 158
- Assignees
- 129
- Inventors
- 492
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 5 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 6 | 0 |
| 1990 | 6 | 0 |
| 1991 | 5 | 0 |
| 1992 | 5 | 0 |
| 1993 | 7 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 5 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 6 |
| 2003 | 2 | 7 |
| 2004 | 6 | 4 |
| 2005 | 5 | 6 |
| 2006 | 1 | 8 |
| 2007 | 5 | 4 |
| 2008 | 1 | 1 |
| 2009 | 2 | 1 |
| 2010 | 4 | 6 |
| 2011 | 0 | 4 |
| 2012 | 1 | 3 |
| 2013 | 3 | 7 |
| 2014 | 2 | 6 |
| 2015 | 6 | 5 |
| 2016 | 6 | 2 |
| 2017 | 3 | 5 |
| 2018 | 4 | 11 |
| 2019 | 6 | 11 |
| 2020 | 2 | 4 |
| 2021 | 6 | 12 |
| 2022 | 8 | 14 |
| 2023 | 6 | 7 |
| 2024 | 17 | 10 |
| 2025 | 5 | 6 |
| 2026 | 4 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- High-entropy carbide ceramic and rare earth-containing high-entropy carbide ceramic, fibers and precursors thereof, and methods for preparing the same11 Aug 2026US 12,703,667 B2Institute of Chemistry, Chinese Academy of Sciences
- Aqueous suspension containing metal carbide particles12 May 2026US 12,623,971 B2Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
- Process for obtaining composite, ultra-refractory, fibre-reinforced ceramic materials17 Mar 2026US 12,577,171 B2Consiglio Nazionale Delle Ricerche
- Continuous additive manufacturing method for making ceramic articles, and ceramic articles20 Jan 2026US 12,528,743 B2Solventum Intellectual Properties Company
- Ceramic sintered body and plasma-generating electrode9 Dec 2025US 12,492,149 B2Niterra Co., Ltd.
- Ultra-high-temperature ceramic (uhtc)-containing coatings and methods of depositing the same10 Sep 2026US 2026/0265150 A1The Florida International University Board of Trustees
- Slurry infiltration of sacrificial material23 Jul 2026US 2026/0209127 A1Rtx Corporation
- Ceramic sintered body and plasma-generating electrode25 Jun 2026US 2026/0176208 A1Niterra Co., Ltd.
- Multi-phase ceramic matrix composite14 May 2026US 2026/0132089 A1Rtx Corporation
- Preform for ceramic matrix composite, method of making a ceramic matrix composite and ceramic matrix composite26 Mar 2026US 2026/0085013 A1Rtx Corporation
Most cited
By later US patents
- Methods for making WC-containing bodies108US 5,612,264 AThe Dow Chemical Company · 1997
- Continuous fiber reinforced composites and methods, apparatuses, and compositions for making the same97US 6,899,777 B2Advanced Ceramics Research, Inc. · 2005
- Process for preparation of a metal carbide-containing molded product80US 4,126,652 AToyo Boseki Kabushiki Kaisha · 1978
- Process for producing fiber reinforced composite74US 5,876,659 AHitachi, Ltd. · 1999
- Electroconductive ceramics68US 4,528,121 AHitachi, Ltd. · 1985