C04B 35/71
Ceramic products containing macroscopic reinforcing agents
Official title: Ceramic products containing macroscopic reinforcing agents (C04B35/66 takes precedence {; infiltration of a porous ceramic matrix with a material forming a non-ceramic phase C04B41/00, reaction infiltration with Si in order to form SiC C04B35/573, in order to form Si3N4 C04B35/591})
C04B35/71 (Ceramic products containing macroscopic reinforcing agents) appears on 3,281 US grants and 2,818 published applications in this corpus.
Search patents in C04B- Granted patents
- 3,281
- Published applications
- 2,818
- Assignees
- 1,129
- Inventors
- 5,835
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 23 | 0 |
| 1977 | 15 | 0 |
| 1978 | 21 | 0 |
| 1979 | 15 | 0 |
| 1980 | 20 | 0 |
| 1981 | 17 | 0 |
| 1982 | 15 | 0 |
| 1983 | 16 | 0 |
| 1984 | 18 | 0 |
| 1985 | 21 | 0 |
| 1986 | 22 | 0 |
| 1987 | 32 | 0 |
| 1988 | 48 | 0 |
| 1989 | 65 | 0 |
| 1990 | 76 | 0 |
| 1991 | 98 | 0 |
| 1992 | 113 | 0 |
| 1993 | 100 | 0 |
| 1994 | 97 | 0 |
| 1995 | 81 | 0 |
| 1996 | 76 | 0 |
| 1997 | 81 | 0 |
| 1998 | 58 | 0 |
| 1999 | 78 | 0 |
| 2000 | 56 | 0 |
| 2001 | 70 | 14 |
| 2002 | 51 | 61 |
| 2003 | 37 | 64 |
| 2004 | 51 | 87 |
| 2005 | 37 | 94 |
| 2006 | 42 | 98 |
| 2007 | 49 | 83 |
| 2008 | 54 | 93 |
| 2009 | 39 | 125 |
| 2010 | 63 | 75 |
| 2011 | 68 | 90 |
| 2012 | 61 | 80 |
| 2013 | 61 | 84 |
| 2014 | 60 | 88 |
| 2015 | 58 | 78 |
| 2016 | 60 | 170 |
| 2017 | 91 | 155 |
| 2018 | 99 | 142 |
| 2019 | 134 | 145 |
| 2020 | 130 | 134 |
| 2021 | 115 | 153 |
| 2022 | 110 | 107 |
| 2023 | 110 | 154 |
| 2024 | 124 | 170 |
| 2025 | 130 | 164 |
| 2026 | 115 | 110 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Ceramic matrix composite article manufacturing6 Oct 2026US 12,753,125 B2General Electric Company
- Disc brake pad and method for the manufacturing thereof29 Sep 2026US 12,747,764 B2Brembo S.p.A.
- Production of aerogel thermal insulation sheet by central injection approach15 Sep 2026US 12,735,364 B1Taiwan Aerogel Technology Material Co., Ltd.
- Polymer-derived ceramic reinforced with boron nitride1 Sep 2026US 12,723,006 B2North Carolina State University
- Block copolymer porous carbon fibers and uses thereof25 Aug 2026US 12,715,819 B2Virginia Tech Intellectual Properties, Inc.
- Thermal insulation materials suitable for use at high temperatures, and process for making said materials8 Oct 2026US 2026/0308071 A1Mersen Scotland Holytown Limited
- Processes for the preparation of (3s,4r)-3-ethyl-4-(3h-imidazo[1,2-a]pyrrolo[2,3-e]-pyrazin-8-yl)-n-(2,2,2-trifluoroethyl)pyrrolidine-1-carboxamide and solid state forms thereof8 Oct 2026US 2026/0308162 A1
- Fiber composite felt8 Oct 2026US 2026/0309422 A1Sgl Carbon SE
- High Purity SiOC and SiC, Methods Compositions and Applications1 Oct 2026US 2026/0296898 A1Pallidus, Inc.
- Preform tapered hole press for improved cvi-cmc microstructure1 Oct 2026US 2026/0296980 A1Rtx Corporation
Most cited
By later US patents
- Method of rapidly densifying a porous structure524US 5,348,774 AAlliedSignal Inc. · 1994
- Carbon fibrils, method for producing same and compositions containing same361US 4,663,230 AHyperion Catalysis International, Inc. · 1987
- Carbon fibrils and method for producing same250US 5,165,909 AHyperion Catalysis Int'l., Inc. · 1992
- Electrostatic chuck having gas cavity and method244US 6,310,755 B1APPLIED Materials.Inc. · 2001
- Making spinel and aluminum-base metal cermet188US 3,973,977 ACorning Glass Works · 1976