C23C 28/04
Only coatings of inorganic non-metallic material
Official title: only coatings of inorganic non-metallic material
C23C28/04 (Only coatings of inorganic non-metallic material) appears on 1,875 US grants and 2,456 published applications in this corpus.
Search patents in C23C- Granted patents
- 1,875
- Published applications
- 2,456
- Assignees
- 866
- Inventors
- 4,560
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 4 | 0 |
| 1988 | 5 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 5 | 0 |
| 1993 | 6 | 0 |
| 1994 | 7 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 14 | 0 |
| 1998 | 21 | 0 |
| 1999 | 25 | 0 |
| 2000 | 27 | 0 |
| 2001 | 37 | 10 |
| 2002 | 29 | 23 |
| 2003 | 28 | 34 |
| 2004 | 31 | 38 |
| 2005 | 19 | 44 |
| 2006 | 13 | 62 |
| 2007 | 22 | 59 |
| 2008 | 37 | 73 |
| 2009 | 26 | 82 |
| 2010 | 53 | 84 |
| 2011 | 48 | 67 |
| 2012 | 55 | 79 |
| 2013 | 44 | 99 |
| 2014 | 66 | 102 |
| 2015 | 68 | 113 |
| 2016 | 76 | 107 |
| 2017 | 76 | 104 |
| 2018 | 82 | 145 |
| 2019 | 87 | 133 |
| 2020 | 116 | 211 |
| 2021 | 129 | 197 |
| 2022 | 155 | 172 |
| 2023 | 96 | 123 |
| 2024 | 147 | 140 |
| 2025 | 142 | 96 |
| 2026 | 52 | 59 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Surface-coated cutting tool29 Sep 2026US 12,746,604 B2Mitsubishi Materials Corporation
- Hard coating for cutting tools with excellent wear resistance15 Sep 2026US 12,734,584 B2Korloy Inc.
- Coated cutting tool1 Sep 2026US 12,722,206 B2AB Sandvik Coromant
- Cutting tool25 Aug 2026US 12,716,123 B2Sumitomo Electric Industries, Ltd.
- Plasma-resistant two-layer coating film structure and manufacturing method thereof18 Aug 2026US 12,709,807 B2Femvix Corp.
- Workpiece having a hard material layer8 Oct 2026US 2026/0308767 A1Voestalpine Eifeler Vacotec GmbH
- Coloured barrel spring1 Oct 2026US 2026/0298303 A1Nivarox-FAR S. A.
- Method for depositing a coating on an item, such as a clockwork component and item coated by such a method24 Sep 2026US 2026/0288068 A1The Swatch Group Research and Development Ltd
- Grain-oriented electrical steel sheet and method for forming insulating coating17 Sep 2026US 2026/0275529 A1Nippon Steel Corporation
- Multilayer coating for high stressed metal pieces17 Sep 2026US 2026/0275531 A1Nuovo Pignone Tecnologie Srl
Most cited
By later US patents
- Low contamination components for semiconductor processing apparatus and methods for making components368US 8,318,327 B2Lam Research Corporation · 2012
- Thermal/environmental barrier coating system for silicon-based materials284US 5,985,470 AGeneral Electric Company · 1999
- Boron carbide parts and coatings in a plasma reactor275US 6,120,640 AAPPLIED Materials.Inc. · 2000
- Silicon based substrate with environmental/thermal barrier layer248US 6,387,456 B1General Electric Company · 2002
- Coating boron carbide on aluminum124US 6,808,747 B12004