C04B 41/4558
Coating or impregnating involving the chemical conversion of an already applied layer
Official title: {Coating or impregnating involving the chemical conversion of an already applied layer, e.g. obtaining an oxide layer by oxidising an applied metal layer}
C04B41/4558 (Coating or impregnating involving the chemical conversion of an already applied layer) appears on 28 US grants and 47 published applications in this corpus.
Search patents in C04B- Granted patents
- 28
- Published applications
- 47
- Assignees
- 44
- Inventors
- 135
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 3 |
| 2019 | 0 | 2 |
| 2020 | 1 | 5 |
| 2021 | 2 | 4 |
| 2022 | 3 | 5 |
| 2023 | 2 | 3 |
| 2024 | 3 | 8 |
| 2025 | 2 | 8 |
| 2026 | 6 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Materials and processes for generating radioisotopes6 Oct 2026US 12,755,857 B2AdvanCell IPCo US No. 1 Pty Ltd
- Method of forming a barrier layer on a ceramic matrix composite2 Jun 2026US 12,643,828 B2Rolls-Royce High Temperature Composites Inc.
- Method for making a passivating coating based on one or more silicon compounds on a ceramic matrix composite reinforced with carbon fibres and ceramic matrix composite reinforced with carbon fibres with such coating21 Apr 2026US 12,606,499 B2C.I.R.A. (Centro Italiano Ricerche Aeropaziali) S.C.P.A.
- Refractory member and method of producing the same31 Mar 2026US 12,590,041 B2Mitsui Kinzoku Company, Limited
- Hybrid high and low temperature coating10 Mar 2026US 12,570,583 B2Honeywell International Inc.
- Environmental barrier coatings and methods of formation17 Sep 2026US 2026/0274763 A1General Electric Company
- Ebc with improved tgo and silicon-based bondcoat3 Sep 2026US 2026/0257973 A1General Electric Company
- Ultrafast high temperature sintering (uhs) systems and methods for fabricating environmental-thermal barrier coatings3 Sep 2026US 2026/0258556 A1President and Fellows of Harvard College
- Fabrication of ceramic matrix composites13 Aug 2026US 2026/0234069 A1Rtx Corporation
- Materials and processes for generating radioisotopes16 Jul 2026US 2026/0204447 A1AdvanCell Pty Limited
Most cited
By later US patents
- Rapid omnidirectional compaction process for producing metal nitride, carbide, or carbonitride coating on ceramic substrate90US 5,232,522 AThe Dow Chemical Company · 1993
- Reactive multilayer synthesis of hard ceramic foils and films40US 5,490,911 AThe United States of America as represented by the Department of Energy · 1996
- Coated graphite articles useful in metallurgical processes and method for making same32US 5,443,892 AMartin Marietta Energy Systems, Inc. · 1995
- Metallization of ceramic through application of an adherent reducible layer24US 5,725,938 ALucent Technologies Inc. · 1998
- Decorative method and material12US 5,714,236 ABritish Ceramic Research Limited · 1998