C23
Coating metallic material
Official title: Coating metallic material; coating material with metallic material; chemical surface treatment; diffusion treatment of metallic material; coating by vacuum evaporation, by sputtering, by ion implantation or by chemical vapour deposition, in general; inhibiting corrosion of metallic material or incrustation in general
C23 (Coating metallic material) appears on 82,130 US grants and 87,377 published applications in this corpus.
Search patents in C23- Granted patents
- 82,130
- Published applications
- 87,377
- Assignees
- 16,333
- Inventors
- 132,467
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 595 | 0 |
| 1977 | 515 | 0 |
| 1978 | 534 | 0 |
| 1979 | 395 | 0 |
| 1980 | 509 | 0 |
| 1981 | 536 | 0 |
| 1982 | 538 | 0 |
| 1983 | 588 | 0 |
| 1984 | 658 | 0 |
| 1985 | 728 | 0 |
| 1986 | 658 | 0 |
| 1987 | 777 | 0 |
| 1988 | 690 | 0 |
| 1989 | 945 | 0 |
| 1990 | 1022 | 0 |
| 1991 | 1017 | 0 |
| 1992 | 1043 | 0 |
| 1993 | 1170 | 0 |
| 1994 | 1239 | 0 |
| 1995 | 1312 | 0 |
| 1996 | 1228 | 0 |
| 1997 | 1194 | 0 |
| 1998 | 1538 | 0 |
| 1999 | 1677 | 0 |
| 2000 | 1984 | 0 |
| 2001 | 2112 | 866 |
| 2002 | 2138 | 2321 |
| 2003 | 2101 | 2716 |
| 2004 | 1950 | 3014 |
| 2005 | 1570 | 3034 |
| 2006 | 1358 | 3221 |
| 2007 | 1297 | 2962 |
| 2008 | 1244 | 3002 |
| 2009 | 1308 | 3430 |
| 2010 | 1913 | 3495 |
| 2011 | 1934 | 3371 |
| 2012 | 2078 | 3376 |
| 2013 | 2236 | 3461 |
| 2014 | 2422 | 3662 |
| 2015 | 2545 | 4216 |
| 2016 | 2650 | 4237 |
| 2017 | 2932 | 4034 |
| 2018 | 2899 | 3843 |
| 2019 | 3193 | 3884 |
| 2020 | 3084 | 4041 |
| 2021 | 2769 | 3800 |
| 2022 | 2796 | 4091 |
| 2023 | 2642 | 3781 |
| 2024 | 2960 | 3633 |
| 2025 | 2994 | 3327 |
| 2026 | 1915 | 2559 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subclasses
Granted patents
Recent patents
- Manufacturing method for tinplate6 Oct 2026US 12,752,324 B2Institute of Research of Iron and Steel, Jiangsu Province/Sha-Steel, Co. Ltd (Cn)
- Method of fabricating metal mask6 Oct 2026US 12,752,329 B2Darwin Precisions Corporation
- Mechanical locking sputtering target bonding method and target assemblies produced thereby6 Oct 2026US 12,752,336 B2Solstice Advanced Materials US, Inc.
- Coated cutting tool with an alternating layer composition6 Oct 2026US 12,752,344 B2Walter AG
- Composition and method for treating substrate6 Oct 2026US 12,753,342 B2FUJIFILM Corporation
- Cultivating methods and apparatuses8 Oct 2026US 2026/0305597 A1
- Electron shower induced deposition systems, methods of use thereof, and methods of making nanostructures8 Oct 2026US 2026/0307101 A1Georgia Tech Research Corporation
- Semiconductor cleaning apparatus and method8 Oct 2026US 2026/0307113 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Product8 Oct 2026US 2026/0307316 A1Kuraray Co., Ltd.
- Hydrophilic antimicrobial diamond coating8 Oct 2026US 2026/0308049 A1United States Department of Energy
Most cited
By later US patents
- Oxide thin film4,015US 6,294,274 B1TDK Corporation · 2001
- Underground utility equipment vault1,529US 4,709,120 A1987
- Low pressure vapor phase deposition of organic thin films1,502US 6,337,102 B12002
- Process and apparatus for organic vapor jet deposition1,318US 7,431,968 B1The Trustees of Princeton University · 2008
- Method for producing compound thin films1,267US 4,058,430 A1977