C04B 2237/38
Fiber or whisker reinforced
C04B2237/38 (Fiber or whisker reinforced) appears on 783 US grants and 721 published applications in this corpus.
Search patents in C04B- Granted patents
- 783
- Published applications
- 721
- Assignees
- 336
- Inventors
- 1,572
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 7 | 0 |
| 1981 | 3 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 5 | 0 |
| 1986 | 7 | 0 |
| 1987 | 5 | 0 |
| 1988 | 11 | 0 |
| 1989 | 13 | 0 |
| 1990 | 14 | 0 |
| 1991 | 12 | 0 |
| 1992 | 20 | 0 |
| 1993 | 16 | 0 |
| 1994 | 15 | 0 |
| 1995 | 21 | 0 |
| 1996 | 19 | 0 |
| 1997 | 19 | 0 |
| 1998 | 12 | 0 |
| 1999 | 18 | 0 |
| 2000 | 13 | 0 |
| 2001 | 9 | 3 |
| 2002 | 13 | 21 |
| 2003 | 11 | 20 |
| 2004 | 20 | 13 |
| 2005 | 6 | 22 |
| 2006 | 10 | 15 |
| 2007 | 8 | 22 |
| 2008 | 6 | 17 |
| 2009 | 9 | 17 |
| 2010 | 9 | 25 |
| 2011 | 17 | 16 |
| 2012 | 21 | 26 |
| 2013 | 15 | 30 |
| 2014 | 13 | 28 |
| 2015 | 17 | 25 |
| 2016 | 19 | 49 |
| 2017 | 25 | 41 |
| 2018 | 33 | 43 |
| 2019 | 40 | 47 |
| 2020 | 50 | 41 |
| 2021 | 43 | 42 |
| 2022 | 32 | 25 |
| 2023 | 19 | 39 |
| 2024 | 36 | 35 |
| 2025 | 35 | 37 |
| 2026 | 24 | 22 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Fibrous preform of a friction part18 Aug 2026US 12,709,580 B2Safran Landing Systems
- Method for repairing ceramic composite components18 Aug 2026US 12,709,581 B2General Electric Company
- Ceramic matrix composites and their preforms11 Aug 2026US 12,703,169 B2Rtx Corporation
- Needled ceramic matrix composite cooling passages4 Aug 2026US 12,698,718 B2Rtx Corporation
- Sacrificial fibers for cooling air flow in ceramic matrix composites, methods of manufacture and articles comprising the same14 Jul 2026US 12,679,775 B2Rtx Corporation
- Composite Panel Core Structure27 Aug 2026US 2026/0250207 A1General Electric Company
- Laser etched ceramic-containing material13 Aug 2026US 2026/0233339 A1Rtx Corporation
- Additive manufacturing of fiber-reinforced composites with refractory matrix materials13 Aug 2026US 2026/0234065 A1Standard Nuclear, Inc.
- Cmc component with cooling cavity6 Aug 2026US 2026/0226843 A1Rtx Corporation
- Preform for directed-flow cvi densification30 Jul 2026US 2026/0217610 A1Safran Ceramics
Most cited
By later US patents
- Fiber reinforced ceramic matrix laminate164US 5,376,598 AThe Boeing Company · 1994
- Functionally stepped, resistive ceramic163US 5,880,439 APhilip Morris Incorporated · 1999
- Fabrication of supported polycrystalline abrasive compacts158US 4,944,772 AGeneral Electric Company · 1990
- Ceramic matrix composite turbine vane148US 6,648,597 B1Siemens Westinghouse Power Corporation · 2003
- Ceramic matrix composite gas turbine vane132US 6,709,230 B2Siemens Westinghouse Power Corporation · 2004