C04B 41/89
For obtaining at least two superposed coatings having different compositions
Official title: for obtaining at least two superposed coatings having different compositions
C04B41/89 (For obtaining at least two superposed coatings having different compositions) appears on 1,471 US grants and 1,378 published applications in this corpus.
Search patents in C04B- Granted patents
- 1,471
- Published applications
- 1,378
- Assignees
- 678
- Inventors
- 3,250
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 5 | 0 |
| 1980 | 1 | 0 |
| 1981 | 6 | 0 |
| 1982 | 14 | 0 |
| 1983 | 7 | 0 |
| 1984 | 16 | 0 |
| 1985 | 12 | 0 |
| 1986 | 21 | 0 |
| 1987 | 26 | 0 |
| 1988 | 21 | 0 |
| 1989 | 29 | 0 |
| 1990 | 18 | 0 |
| 1991 | 32 | 0 |
| 1992 | 33 | 0 |
| 1993 | 45 | 0 |
| 1994 | 37 | 0 |
| 1995 | 28 | 0 |
| 1996 | 30 | 0 |
| 1997 | 31 | 0 |
| 1998 | 40 | 0 |
| 1999 | 37 | 0 |
| 2000 | 31 | 0 |
| 2001 | 42 | 11 |
| 2002 | 29 | 49 |
| 2003 | 49 | 67 |
| 2004 | 47 | 36 |
| 2005 | 29 | 49 |
| 2006 | 28 | 52 |
| 2007 | 23 | 46 |
| 2008 | 26 | 49 |
| 2009 | 25 | 47 |
| 2010 | 21 | 47 |
| 2011 | 30 | 56 |
| 2012 | 28 | 44 |
| 2013 | 30 | 34 |
| 2014 | 24 | 41 |
| 2015 | 24 | 31 |
| 2016 | 22 | 62 |
| 2017 | 28 | 47 |
| 2018 | 34 | 53 |
| 2019 | 43 | 67 |
| 2020 | 44 | 62 |
| 2021 | 40 | 78 |
| 2022 | 47 | 58 |
| 2023 | 58 | 76 |
| 2024 | 59 | 80 |
| 2025 | 65 | 88 |
| 2026 | 47 | 48 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Composite ceramic substrate having multi-layer configuration29 Sep 2026US 12,747,191 B2Tong Hsing Electronic Industries, Ltd.
- Environmental barrier coating and method of applying the same15 Sep 2026US 12,735,365 B2Rtx Corporation
- Method for repairing ceramic composite components18 Aug 2026US 12,709,581 B2General Electric Company
- Antibacterial ceramic tile and preparation method thereof18 Aug 2026US 12,709,582 B2Monalisa Group Co., Ltd
- Hafnon and zircon environmental barrier coatings for silicon-based components11 Aug 2026US 12,703,668 B2Rtx Corporation
- Multilayer environmental barrier coating17 Sep 2026US 2026/0274765 A1Rtx Corporation
- Part made of cmc material with pre-cracked environmental barrier for thermomechanical accommodation10 Sep 2026US 2026/0266197 A1
- Bondcoat including an oxygen getter3 Sep 2026US 2026/0257972 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
Most cited
By later US patents
- Halogen gas plasma-resistive members and method for producing the same, laminates, and corrosion-resistant members455US 6,783,875 B2NGK Insulators, Ltd. · 2004
- Corrosion-resistant member, wafer-supporting member, and method of manufacturing the same355US 6,139,983 ANGK Insulators, Ltd. · 2000
- Nanostructured fillers and carriers316US 6,228,904 B1Nanomaterials Research Corporation · 2001
- Thermal/environmental barrier coating system for silicon-based materials284US 5,985,470 AGeneral Electric Company · 1999
- Method for protecting products made of a refractory material against oxidation, and resulting protected products259US 5,677,060 ASociete Europeenne de Propulsion · 1997