C01B 32/991
Boron carbide
C01B32/991 (Boron carbide) appears on 57 US grants and 55 published applications in this corpus.
Search patents in C01B- Granted patents
- 57
- Published applications
- 55
- Assignees
- 64
- Inventors
- 182
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 1 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 2 | 2 |
| 2005 | 0 | 0 |
| 2006 | 0 | 3 |
| 2007 | 0 | 1 |
| 2008 | 1 | 1 |
| 2009 | 2 | 1 |
| 2010 | 0 | 4 |
| 2011 | 1 | 5 |
| 2012 | 2 | 4 |
| 2013 | 0 | 2 |
| 2014 | 2 | 4 |
| 2015 | 4 | 3 |
| 2016 | 1 | 2 |
| 2017 | 2 | 2 |
| 2018 | 1 | 5 |
| 2019 | 0 | 1 |
| 2020 | 2 | 3 |
| 2021 | 2 | 2 |
| 2022 | 4 | 3 |
| 2023 | 0 | 1 |
| 2024 | 1 | 2 |
| 2025 | 0 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Neutron absorber synthesis system23 Jun 2026US 12,662,384 B2Korea Atomic Energy Research Institute
- Low-temperature method for boron carbide production27 Feb 2024US 11,912,578 B2Sabanci Universitesi
- Chemical synthesis method for fabricating boron carbide powders11 Oct 2022US 11,465,905 B2National Chung Shan Institute of Science and Technology
- Scanning probe microscope with use of composite materials11 Oct 2022US 11,467,182 B1
- Hexagonal boron nitride powder, method for producing same, resin composition and resin sheet19 Apr 2022US 11,305,993 B2Showa Denko K. K.
- Methods for separating an input feedstock using thermal plasma and systems thereof11 Dec 2025US 2025/0375646 A1Refacture, Inc.
- Positive Electrode Active Material for Secondary Battery, Method for Preparing Same, and Lithium Secondary Battery Including Same30 Oct 2025US 2025/0336963 A1LG Chem.Ltd.
- Preparation of cross-linked aerogels and derivatives thereof17 Oct 2024US 2024/0343588 A1Aerogel Technologies, LLC
- Dual Phase High Entropy Boride-Carbide Composites for Extreme Environments29 Aug 2024US 2024/0287657 A1The Government of the United States of America, as represented by the Secretary of the Navy
- Ultrafast flash joule heating synthesis methods and systems for performing same9 Nov 2023US 2023/0357885 A1William Marsh Rice University
Most cited
By later US patents
- Carbide nanomaterials684US 6,190,634 B1President and Fellows of Harvard College · 2001
- Nano-dispersed powders and methods for their manufacture178US 6,652,967 B2NanoProducts Corporation · 2003
- Process for preparation of a metal carbide-containing molded product80US 4,126,652 AToyo Boseki Kabushiki Kaisha · 1978
- BX CY NZ nanotubes and nanoparticles79US 6,231,980 B1The Regents of the University of California · 2001
- Process for preparing metal carbides and precursors thereof36US 4,752,456 AMitsui Toatsu Chemicals, Inc. · 1988