C04B 2235/3839
Refractory metal carbides
C04B2235/3839 (Refractory metal carbides) appears on 615 US grants and 718 published applications in this corpus.
Search patents in C04B- Granted patents
- 615
- Published applications
- 718
- Assignees
- 334
- Inventors
- 1,452
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 6 | 0 |
| 1992 | 2 | 0 |
| 1993 | 7 | 0 |
| 1994 | 1 | 0 |
| 1995 | 5 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 4 | 0 |
| 1999 | 8 | 0 |
| 2000 | 6 | 0 |
| 2001 | 3 | 0 |
| 2002 | 5 | 14 |
| 2003 | 16 | 30 |
| 2004 | 14 | 23 |
| 2005 | 18 | 36 |
| 2006 | 19 | 31 |
| 2007 | 20 | 32 |
| 2008 | 21 | 18 |
| 2009 | 17 | 18 |
| 2010 | 23 | 36 |
| 2011 | 17 | 33 |
| 2012 | 18 | 30 |
| 2013 | 20 | 31 |
| 2014 | 32 | 27 |
| 2015 | 27 | 24 |
| 2016 | 31 | 27 |
| 2017 | 27 | 44 |
| 2018 | 21 | 21 |
| 2019 | 28 | 42 |
| 2020 | 37 | 31 |
| 2021 | 25 | 35 |
| 2022 | 23 | 32 |
| 2023 | 24 | 37 |
| 2024 | 17 | 34 |
| 2025 | 23 | 17 |
| 2026 | 26 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Cubic boron nitride sintered material and tool22 Sep 2026US 12,741,912 B2Sumitomo Electric Hardmetal Corp.
- Ultra high temperature ceramics (UHTCs) ink with improved processability and dimensional control1 Sep 2026US 12,723,004 B1The Florida International University Board of Trustees
- 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
- Gradient structure cubic boron nitride composite sheet and preparation method thereof30 Jun 2026US 12,668,549 B2Central South University
- Controlled gradient of porosity in CMC16 Jun 2026US 12,655,069 B2Rtx Corporation
- Ultra-high-temperature ceramic (uhtc)-containing coatings and methods of depositing the same10 Sep 2026US 2026/0265150 A1The Florida International University Board of Trustees
- High-Entropy Alloy Sulfide/Two-Dimensional Nano Composite Material, Preparation Method Therefor, and Application Thereof27 Aug 2026US 2026/0250204 A1C-Star (Guangzhou) Nano Materials Co., Ltd
- Fabrication of ceramic matrix composites13 Aug 2026US 2026/0234069 A1Rtx Corporation
- Slurry infiltration of sacrificial material23 Jul 2026US 2026/0209127 A1Rtx Corporation
- Methods, systems, and devices for manufacturing ceramic composites23 Jul 2026US 2026/0209128 A1Carbon Sic Technologies, Inc.
Most cited
By later US patents
- Composite abrasive compact having high thermal stability403US 5,127,923 AUS Synthetic Corporation · 1992
- Atomic layer controlled deposition on particle surfaces225US 6,613,383 B1The Regents of the University of Colorado · 2003
- Polycrystalline diamond compact (PDC) cutting element having multiple catalytic elements156US 7,635,035 B1US Synthetic Corporation · 2009
- 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