C04B 2235/5232
Silica or silicates other than aluminosilicates
Official title: Silica or silicates other than aluminosilicates, e.g. quartz
C04B2235/5232 (Silica or silicates other than aluminosilicates) appears on 277 US grants and 306 published applications in this corpus.
Search patents in C04B- Granted patents
- 277
- Published applications
- 306
- Assignees
- 155
- Inventors
- 651
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 5 | 0 |
| 1993 | 2 | 0 |
| 1994 | 9 | 0 |
| 1995 | 7 | 0 |
| 1996 | 5 | 0 |
| 1997 | 8 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 4 | 11 |
| 2003 | 5 | 11 |
| 2004 | 8 | 14 |
| 2005 | 10 | 10 |
| 2006 | 5 | 7 |
| 2007 | 3 | 13 |
| 2008 | 2 | 20 |
| 2009 | 9 | 22 |
| 2010 | 14 | 8 |
| 2011 | 12 | 19 |
| 2012 | 8 | 9 |
| 2013 | 9 | 15 |
| 2014 | 10 | 13 |
| 2015 | 14 | 5 |
| 2016 | 4 | 5 |
| 2017 | 5 | 12 |
| 2018 | 6 | 16 |
| 2019 | 10 | 10 |
| 2020 | 10 | 10 |
| 2021 | 15 | 22 |
| 2022 | 11 | 14 |
| 2023 | 10 | 14 |
| 2024 | 18 | 8 |
| 2025 | 9 | 13 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Prepreg for ceramic matrix composite12 May 2026US 12,623,972 B2Saint-Gobain Centre De Recherches Et D ' Etudes Europeen
- Systems and methods for limiting void formation in ceramic matrix composite components21 Apr 2026US 12,606,497 B2General Electric Company
- CVI matrix densification process28 Oct 2025US 12,454,493 B2Rtx Corporation
- Microstructured fiber interface coatings for composites30 Sep 2025US 12,428,351 B2Rtx Corporation
- Aerogel composite30 Sep 2025US 12,428,352 B1LG Chem.Ltd.
- Composition of flexible ceramic nanofibers for thermal insulation applications and method thereof20 Aug 2026US 2026/0242296 A1
- Slurry infiltration of sacrificial material23 Jul 2026US 2026/0209127 A1Rtx Corporation
- Aerogel composite material and method of manufacturing aerogel composite material, and method for treating aerogel powder18 Jun 2026US 2026/0167574 A1Owens Corning Intellectual Capital, LLC
- Compressed aerogel composite and method of making9 Apr 2026US 2026/0097995 A1Aspen Aerogels, Inc.
- Preform for ceramic matrix composite, method of making a ceramic matrix composite and ceramic matrix composite26 Mar 2026US 2026/0085013 A1Rtx Corporation
Most cited
By later US patents
- Flexible graphite composite122US 5,902,762 AUCAR Carbon Technology Corporation · 1999
- Method for forming interphase layers in ceramic matrix composites107US 7,666,475 B2Siemens Energy, Inc. · 2010
- Thermal shock resistant ceramic composites97US 7,488,544 B2Stanton Advanced Ceramics, Inc. · 2009
- Thermal shock resistant ceramic composites95US 7,666,344 B2Stanton Advanced Ceramics, Inc. · 2010
- Transition metal oxide coated substrates89US 5,756,207 AEnsci, Inc. · 1998