C04B 2235/386
Boron nitrides
C04B2235/386 (Boron nitrides) appears on 483 US grants and 616 published applications in this corpus.
Search patents in C04B- Granted patents
- 483
- Published applications
- 616
- Assignees
- 268
- Inventors
- 1,146
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 5 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 7 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 1 |
| 2002 | 5 | 11 |
| 2003 | 14 | 19 |
| 2004 | 12 | 21 |
| 2005 | 12 | 26 |
| 2006 | 12 | 20 |
| 2007 | 14 | 20 |
| 2008 | 14 | 17 |
| 2009 | 7 | 20 |
| 2010 | 18 | 17 |
| 2011 | 13 | 21 |
| 2012 | 8 | 13 |
| 2013 | 17 | 25 |
| 2014 | 16 | 21 |
| 2015 | 15 | 16 |
| 2016 | 16 | 27 |
| 2017 | 17 | 35 |
| 2018 | 24 | 21 |
| 2019 | 30 | 44 |
| 2020 | 21 | 32 |
| 2021 | 28 | 38 |
| 2022 | 28 | 40 |
| 2023 | 27 | 49 |
| 2024 | 25 | 32 |
| 2025 | 24 | 18 |
| 2026 | 25 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method to control dissolution of silicon carbide during fabrication of a ceramic matrix composite6 Oct 2026US 12,753,127 B1Rolls-Royce High Temperature Composites Inc.
- Annealing separator composition for grain- oriented electrical steel sheet, grain-oriented electrical steel sheet, and method for producing grain-oriented electrical steel sheet6 Oct 2026US 12,753,457 B2Posco
- Cubic boron nitride sintered material and tool22 Sep 2026US 12,741,912 B2Sumitomo Electric Hardmetal Corp.
- Cubic boron nitride sintered body and coated cubic boron nitride sintered body1 Sep 2026US 12,723,005 B2Tungaloy Corporation
- Gradient structure cubic boron nitride composite sheet and preparation method thereof30 Jun 2026US 12,668,549 B2Central South University
- Ceramic, probe guide component, probe card, and package test socket20 Aug 2026US 2026/0242292 A1Ferrotec Corporation
- Fabrication of ceramic matrix composites13 Aug 2026US 2026/0234069 A1Rtx Corporation
- Ceramic body and electric heater13 Aug 2026US 2026/0239494 A1NGK Insulators, Ltd.
- Ltcc composition having improved properties, manufacturing method of ceramic electric element using the same and ceramic electric element therefrom30 Jul 2026US 2026/0217609 A1Korea Institute of Ceramic Engineering and Technology
- Slurry infiltration of sacrificial material23 Jul 2026US 2026/0209127 A1Rtx Corporation
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
- Ceramic structural body188US 5,914,187 AIbiden Co., Ltd. · 1999
- Composite synthetic materials149US 4,960,643 A1990
- Rigid porous carbon structures, methods of making, methods of using and products containing same143US 6,099,965 AHyperion Catalysis International, Inc. · 2000