C04B 35/185
Mullite 3al2o3-2sio2
Official title: Mullite {3Al2O3-2SiO2}
C04B35/185 (Mullite 3al2o3-2sio2) appears on 455 US grants and 489 published applications in this corpus.
Search patents in C04B- Granted patents
- 455
- Published applications
- 489
- Assignees
- 268
- Inventors
- 1,220
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 11 | 0 |
| 1991 | 10 | 0 |
| 1992 | 10 | 0 |
| 1993 | 13 | 0 |
| 1994 | 14 | 0 |
| 1995 | 10 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 9 | 0 |
| 2000 | 7 | 0 |
| 2001 | 12 | 1 |
| 2002 | 8 | 8 |
| 2003 | 5 | 11 |
| 2004 | 9 | 15 |
| 2005 | 6 | 15 |
| 2006 | 10 | 19 |
| 2007 | 3 | 17 |
| 2008 | 8 | 18 |
| 2009 | 10 | 26 |
| 2010 | 16 | 20 |
| 2011 | 18 | 21 |
| 2012 | 15 | 21 |
| 2013 | 14 | 18 |
| 2014 | 10 | 27 |
| 2015 | 24 | 26 |
| 2016 | 18 | 17 |
| 2017 | 12 | 19 |
| 2018 | 13 | 22 |
| 2019 | 22 | 28 |
| 2020 | 9 | 29 |
| 2021 | 21 | 24 |
| 2022 | 19 | 21 |
| 2023 | 16 | 17 |
| 2024 | 20 | 17 |
| 2025 | 13 | 20 |
| 2026 | 6 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Annealing separator composition for grain- oriented electrical steel sheet, grain-oriented electrical steel sheet, and method for producing grain-oriented electrical steel sheet6 Oct 2026US 12,753,457 B2Posco
- Method for charging open pores in ceramic matrix composite, and ceramic matrix composite14 Apr 2026US 12,600,678 B2Ihi Aerospace Co., Ltd.
- Hybrid setter for investment casting cores and method of using7 Apr 2026US 12,594,594 B2
- Ceramic articles made from ceramic beads with open porosity24 Mar 2026US 12,583,800 B2Corning Incorporated
- Compound particles for use in a shaping and sintering process and process for preparing compound particles20 Jan 2026US 12,528,117 B2Headmade Materials GmbH
- Additive manufacturing powders with improved physical characteristics, method of manufacture and use thereof13 Aug 2026US 2026/0233302 A1Tekna Plasma Systems Inc.
- Refractory material, method for producing same, and use thereof23 Jul 2026US 2026/0209125 A1
- Slurry infiltration of sacrificial material23 Jul 2026US 2026/0209127 A1Rtx Corporation
- A tube furnace for the use in a sintering and/or debinding process16 Jul 2026US 2026/0199973 A1BASF SE
- Dvc for a smelting furnace lining16 Jul 2026US 2026/0200800 A1
Most cited
By later US patents
- Electrostatic chuck having gas cavity and method244US 6,310,755 B1APPLIED Materials.Inc. · 2001
- Fiber reinforced ceramic matrix laminate164US 5,376,598 AThe Boeing Company · 1994
- BN coating of ceramic fibers for ceramic fiber composites139US 4,642,271 AThe United States of America as represented by the Secretary of the Navy · 1987
- Hollow proppants and a process for their manufacture121US 4,547,468 ATerra Tek, Inc. · 1985
- Apparatus for freeform fabrication of a three-dimensional object108US 6,030,199 AArizona Board of Regents, acting for and on behalf of Arizona State University · 2000