C04B 41/5035
Silica
Official title: {Silica}
C04B41/5035 (Silica) appears on 155 US grants and 127 published applications in this corpus.
Search patents in C04B- Granted patents
- 155
- Published applications
- 127
- Assignees
- 107
- Inventors
- 440
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 6 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 7 | 0 |
| 1995 | 8 | 0 |
| 1996 | 5 | 0 |
| 1997 | 6 | 0 |
| 1998 | 8 | 0 |
| 1999 | 5 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 0 |
| 2002 | 1 | 0 |
| 2003 | 2 | 2 |
| 2004 | 2 | 3 |
| 2005 | 0 | 2 |
| 2006 | 0 | 0 |
| 2007 | 2 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 2 |
| 2010 | 0 | 4 |
| 2011 | 3 | 3 |
| 2012 | 2 | 2 |
| 2013 | 1 | 0 |
| 2014 | 1 | 7 |
| 2015 | 1 | 4 |
| 2016 | 2 | 7 |
| 2017 | 3 | 6 |
| 2018 | 1 | 2 |
| 2019 | 6 | 11 |
| 2020 | 3 | 8 |
| 2021 | 6 | 10 |
| 2022 | 5 | 11 |
| 2023 | 10 | 14 |
| 2024 | 6 | 10 |
| 2025 | 16 | 12 |
| 2026 | 5 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Protective coating and application method30 Jun 2026US 12,668,551 B2
- Concrete protection material, and preparation method and construction method therefor5 May 2026US 12,617,732 B2Anhui Engineering Material Technology Co, Ltd of Ctce Group
- Methods and compositions for inhibiting alpha case on titanium alloy surfaces24 Feb 2026US 12,559,434 B2The Boeing Company
- Electrostatic chuck, electrostatic chuck heater comprising same, and semiconductor holding device10 Feb 2026US 12,545,630 B2Amosense Co., Ltd.
- Composite article comprising aerogel particles and ceramic fibers27 Jan 2026US 12,534,409 B2Armacell Enterprise GmbH
- Environmental barrier coatings and methods of formation17 Sep 2026US 2026/0274763 A1General Electric Company
- Environmental barrier coatings16 Jul 2026US 2026/0200810 A1Rtx Corporation
- Antireflection coatings, methods of making, and methods of use9 Apr 2026US 2026/0098159 A1
- Method for internal and external collaborative integrated protection of concrete2 Apr 2026US 2026/0092018 A1Harbin Institute of Technology
- Method for producing quartz member, device for coating quartz member, and method for regenerating quartz member22 Jan 2026US 2026/0022445 A1Mitsubishi Chemical Corporation
Most cited
By later US patents
- Method to prevent recession loss of silica and silicon-containing materials in combustion gas environments232US 6,517,341 B1General Electric Company · 2003
- Multilayer ceramics from hydrogen silsesquioxane200US 4,756,977 ADow Corning Corporation · 1988
- Multilayer ceramics from silicate esters99US 4,749,631 ADow Corning Corporation · 1988
- Method of applying opaque coatings74US 5,399,441 ADow Corning Corporation · 1995
- Process for producing fiber reinforced composite74US 5,876,659 AHitachi, Ltd. · 1999