C04B 2235/526
Characterised by the length of the fibers
Official title: characterised by the length of the fibers
C04B2235/526 (Characterised by the length of the fibers) appears on 568 US grants and 645 published applications in this corpus.
Search patents in C04B- Granted patents
- 568
- Published applications
- 645
- Assignees
- 367
- Inventors
- 1,386
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 6 | 0 |
| 1988 | 5 | 0 |
| 1989 | 13 | 0 |
| 1990 | 8 | 0 |
| 1991 | 9 | 0 |
| 1992 | 7 | 0 |
| 1993 | 13 | 0 |
| 1994 | 9 | 0 |
| 1995 | 12 | 0 |
| 1996 | 12 | 0 |
| 1997 | 16 | 0 |
| 1998 | 6 | 0 |
| 1999 | 8 | 0 |
| 2000 | 2 | 0 |
| 2001 | 9 | 2 |
| 2002 | 6 | 22 |
| 2003 | 8 | 20 |
| 2004 | 18 | 39 |
| 2005 | 13 | 35 |
| 2006 | 11 | 34 |
| 2007 | 18 | 28 |
| 2008 | 13 | 35 |
| 2009 | 9 | 54 |
| 2010 | 25 | 27 |
| 2011 | 26 | 33 |
| 2012 | 22 | 37 |
| 2013 | 21 | 31 |
| 2014 | 25 | 28 |
| 2015 | 23 | 34 |
| 2016 | 19 | 27 |
| 2017 | 33 | 22 |
| 2018 | 19 | 22 |
| 2019 | 17 | 22 |
| 2020 | 16 | 18 |
| 2021 | 15 | 16 |
| 2022 | 11 | 11 |
| 2023 | 7 | 26 |
| 2024 | 18 | 7 |
| 2025 | 13 | 5 |
| 2026 | 9 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Thermal insulation materials suitable for use at high temperatures, and process for making said materials21 Jul 2026US 12,686,643 B2Mersen Scotland Holytown Limited
- Ceramic continuous fibers having metal element and ceramic matrix composite material using same7 Jul 2026US 12,673,901 B2Tosoh Corporation
- Targeted ceramic casting core inhomogeneity12 May 2026US 12,623,373 B2Rtx Corporation
- Prepreg for ceramic matrix composite12 May 2026US 12,623,972 B2Saint-Gobain Centre De Recherches Et D ' Etudes Europeen
- High temperature composites and methods for preparing high temperature composites7 Apr 2026US 12,595,214 B2Arkema France
- Thermal insulation materials suitable for use at high temperatures, and process for making said materials8 Oct 2026US 2026/0308071 A1Mersen Scotland Holytown Limited
- A method for obtaining carbon-carbon material for heavily loaded friction units20 Aug 2026US 2026/0243321 A13Cm, Sia
- Carbon composite material20 Aug 2026US 2026/0245875 A1Toyota Jidosha Kabushiki Kaisha
- Targeted Ceramic Casting Core Inhomogeneity6 Aug 2026US 2026/0225282 A1Rtx Corporation
- High temperature composites and methods for preparing high temperature composites16 Jul 2026US 2026/0200807 A1Arkema France
Most cited
By later US patents
- Flexible nonwoven mat204US 5,380,580 AMinnesota Mining and Manufacturing Company · 1995
- Ceramic structural body188US 5,914,187 AIbiden Co., Ltd. · 1999
- Fiber reinforced ceramic matrix laminate164US 5,376,598 AThe Boeing Company · 1994
- Non-frangible alumina-silica fibers117US 4,047,965 AMinnesota Mining and Manufacturing Company · 1977
- Ceramic matrix nanocomposites containing carbon nanotubes for enhanced mechanical behavior100US 6,420,293 B1Rensselaer Polytechnic Institute · 2002