C23C 28/042
Including a refractory ceramic layer
Official title: {including a refractory ceramic layer, e.g. refractory metal oxides, ZrO2, rare earth oxides}
C23C28/042 (Including a refractory ceramic layer) appears on 945 US grants and 1,359 published applications in this corpus.
Search patents in C23C- Granted patents
- 945
- Published applications
- 1,359
- Assignees
- 458
- Inventors
- 2,408
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 5 | 0 |
| 1999 | 8 | 0 |
| 2000 | 4 | 0 |
| 2001 | 7 | 0 |
| 2002 | 6 | 9 |
| 2003 | 6 | 14 |
| 2004 | 11 | 14 |
| 2005 | 7 | 22 |
| 2006 | 6 | 37 |
| 2007 | 2 | 33 |
| 2008 | 25 | 41 |
| 2009 | 13 | 51 |
| 2010 | 32 | 50 |
| 2011 | 25 | 24 |
| 2012 | 28 | 31 |
| 2013 | 16 | 51 |
| 2014 | 38 | 57 |
| 2015 | 39 | 77 |
| 2016 | 40 | 66 |
| 2017 | 52 | 64 |
| 2018 | 46 | 80 |
| 2019 | 50 | 85 |
| 2020 | 69 | 127 |
| 2021 | 78 | 120 |
| 2022 | 90 | 86 |
| 2023 | 54 | 68 |
| 2024 | 82 | 68 |
| 2025 | 76 | 56 |
| 2026 | 25 | 28 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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