C04B 35/62295
Based on silicon nitride
Official title: {based on silicon nitride (C04B35/589 takes precedence)}
C04B35/62295 (Based on silicon nitride) appears on 41 US grants and 33 published applications in this corpus.
Search patents in C04B- Granted patents
- 41
- Published applications
- 33
- Assignees
- 34
- Inventors
- 102
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 2 |
| 2007 | 3 | 3 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 1 | 3 |
| 2012 | 0 | 2 |
| 2013 | 1 | 1 |
| 2014 | 2 | 1 |
| 2015 | 3 | 1 |
| 2016 | 1 | 2 |
| 2017 | 2 | 2 |
| 2018 | 1 | 2 |
| 2019 | 1 | 0 |
| 2020 | 1 | 1 |
| 2021 | 0 | 3 |
| 2022 | 2 | 3 |
| 2023 | 1 | 0 |
| 2024 | 2 | 1 |
| 2025 | 0 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Polymer-derived ceramic fibers and methods of preparing the same14 Apr 2026US 12,600,676 B2Kansas State University Research Foundation
- High temperature fiber and method of making27 Aug 2024US 12,071,378 B2Rtx Corporation
- Process for the preparation of a ceramic nanowire preform11 Jun 2024US 12,006,265 B2Northwestern Polytechnical University
- Method of making a multi-composition fiber17 Oct 2023US 11,788,213 B2Free Form Fibers, LLC
- Method and apparatus for fabricating fibers and microstructures from disparate molar mass precursors15 Nov 2022US 11,499,230 B2Dynetics, Inc.
- Fabrication of polycrystalline silicon nitride fibers31 Jul 2025US 2025/0243122 A1BlueHalo, LLC
- Polycrystalline Silicon Nitride Fibers31 Jul 2025US 2025/0243123 A1Government of the United States as Represented by the Secretary of the Air Force
- High temperature fiber and method of making7 Nov 2024US 2024/0368041 A1Rtx Corporation
- Polymer-derived ceramic fibers and methods of preparing the same27 Oct 2022US 2022/0340494 A1Kansas State University Research Foundation
- Method and Apparatus for Fabricating Fibers and Microstructures from Disparate Molar Mass Precursors10 Mar 2022US 2022/0074051 A1Dynetics, Inc.
Most cited
By later US patents
- Process for preparing textured ceramic composites53US 5,645,781 AThe Regents of the University of Michigan · 1997
- Composite ceramics and method of making the same38US 4,923,829 AHitachi, Ltd. · 1990
- Laser assisted fiber growth35US 5,336,360 AClemson University · 1994
- Ceramic alloys from colloidal metal alloy suspensions33US 4,904,424 AHoechst Celanese Corporation · 1990
- Laser assisted fiber growth24US 5,549,971 AClemson University · 1996