C04B 41/4584
Coating or impregnating of particulate or fibrous ceramic material
Official title: {Coating or impregnating of particulate or fibrous ceramic material (C04B20/10, C04B35/628 take precedence)}
C04B41/4584 (Coating or impregnating of particulate or fibrous ceramic material) appears on 341 US grants and 178 published applications in this corpus.
Search patents in C04B- Granted patents
- 341
- Published applications
- 178
- Assignees
- 214
- Inventors
- 775
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 5 | 0 |
| 1987 | 4 | 0 |
| 1988 | 12 | 0 |
| 1989 | 15 | 0 |
| 1990 | 18 | 0 |
| 1991 | 22 | 0 |
| 1992 | 27 | 0 |
| 1993 | 28 | 0 |
| 1994 | 21 | 0 |
| 1995 | 9 | 0 |
| 1996 | 8 | 0 |
| 1997 | 12 | 0 |
| 1998 | 10 | 0 |
| 1999 | 7 | 0 |
| 2000 | 6 | 0 |
| 2001 | 9 | 2 |
| 2002 | 6 | 5 |
| 2003 | 6 | 11 |
| 2004 | 7 | 4 |
| 2005 | 6 | 4 |
| 2006 | 1 | 7 |
| 2007 | 0 | 9 |
| 2008 | 2 | 3 |
| 2009 | 1 | 9 |
| 2010 | 5 | 6 |
| 2011 | 4 | 7 |
| 2012 | 2 | 5 |
| 2013 | 2 | 2 |
| 2014 | 8 | 3 |
| 2015 | 0 | 7 |
| 2016 | 4 | 8 |
| 2017 | 6 | 6 |
| 2018 | 2 | 7 |
| 2019 | 5 | 9 |
| 2020 | 7 | 11 |
| 2021 | 7 | 12 |
| 2022 | 4 | 13 |
| 2023 | 12 | 9 |
| 2024 | 7 | 9 |
| 2025 | 11 | 5 |
| 2026 | 3 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method of forming a barrier layer on a ceramic matrix composite2 Jun 2026US 12,643,828 B2Rolls-Royce High Temperature Composites Inc.
- Solar reflective granules and processes for producing same21 Apr 2026US 12,607,402 B2U.S. Silica Company
- Ceramic granules with a photocatalytic coating and method of making10 Mar 2026US 12,571,214 B23M Innovative Properties Company
- Cubic boron nitride particle population with highly-etched particle surface and high toughness index23 Dec 2025US 12,503,363 B2Diamond Innovations, Inc.
- Chemical vapor infiltration tooling for optimizing infiltration in ceramic matrix composites25 Nov 2025US 12,479,775 B2Rtx Corporation
- Carbon composite material20 Aug 2026US 2026/0245875 A1Toyota Jidosha Kabushiki Kaisha
- Fabrication of ceramic matrix composites13 Aug 2026US 2026/0234069 A1Rtx Corporation
- Reaction controlled melt-infiltrated fabrication of ceramic matrix composites23 Jul 2026US 2026/0209131 A1Rtx Corporation
- Porous material for wellbore thermal insulation in drilling and its preparation method and application11 Jun 2026US 2026/0159745 A1China Univesity of Petroleum (East China)
- Ceramic infill materials for synthetic turf applications4 Jun 2026US 2026/0152904 A1Carbo Ceramics Inc.
Most cited
By later US patents
- Method of preparing nano-structured surface coatings and coated articles383US 7,892,606 B2Dsm IP Assets B.V. · 2011
- Coated silicon carbide abrasive grain306US 5,009,675 ALonza Ltd. · 1991
- Low pressure bonding of PCD bodies and method236US 5,030,276 ANorton Company · 1991
- Atomic layer controlled deposition on particle surfaces225US 6,613,383 B1The Regents of the University of Colorado · 2003
- Proppant composition for gas and oil well fracturing199US 6,372,678 B1Fairmount Minerals, Ltd. · 2002