C04B 2235/3813
Refractory metal borides
C04B2235/3813 (Refractory metal borides) appears on 285 US grants and 339 published applications in this corpus.
Search patents in C04B- Granted patents
- 285
- Published applications
- 339
- Assignees
- 173
- Inventors
- 696
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 8 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 4 |
| 2003 | 5 | 10 |
| 2004 | 5 | 10 |
| 2005 | 7 | 15 |
| 2006 | 7 | 15 |
| 2007 | 7 | 19 |
| 2008 | 13 | 11 |
| 2009 | 7 | 14 |
| 2010 | 8 | 12 |
| 2011 | 9 | 6 |
| 2012 | 11 | 13 |
| 2013 | 8 | 17 |
| 2014 | 6 | 8 |
| 2015 | 18 | 7 |
| 2016 | 10 | 9 |
| 2017 | 6 | 15 |
| 2018 | 7 | 15 |
| 2019 | 14 | 18 |
| 2020 | 19 | 17 |
| 2021 | 16 | 27 |
| 2022 | 10 | 17 |
| 2023 | 13 | 22 |
| 2024 | 11 | 18 |
| 2025 | 17 | 7 |
| 2026 | 12 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cubic boron nitride sintered material and tool8 Sep 2026US 12,729,164 B2Sumitomo Electric Hardmetal Corp.
- Polycrystalline diamond and methods for fabricating the same14 Jul 2026US 12,680,395 B2US Synthetic Corporation
- Controlled gradient of porosity in CMC16 Jun 2026US 12,655,069 B2Rtx Corporation
- Ceramic matrix composite and method for manufacturing same12 May 2026US 12,623,973 B2Ihi Aerospace Co., Ltd.
- Insert and cutting tool21 Apr 2026US 12,605,769 B2KYOCERA Corporation
- Fabrication of ceramic matrix composites13 Aug 2026US 2026/0234069 A1Rtx Corporation
- Silicon-containing transition-metal boride evaporation source13 Aug 2026US 2026/0234787 A1Plansee Composite Materials GmbH
- Ceramic body and electric heater13 Aug 2026US 2026/0239494 A1NGK Insulators, Ltd.
- 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
- Continuous fiber reinforced composites and methods, apparatuses, and compositions for making the same97US 6,899,777 B2Advanced Ceramics Research, Inc. · 2005
- Method of applying oxidation resistant coating on carbon fibers75US 5,562,966 AScience Applications International Corporation · 1996
- Process for producing fiber reinforced composite74US 5,876,659 AHitachi, Ltd. · 1999
- Methods of making composite ceramic articles having embedded filler71US 4,851,375 ALanxide Technology Company, LP · 1989
- Ceramic metal composite brake components and manufacture thereof51US 5,878,849 AThe Dow Chemical Company · 1999