C23C 28/025
With at least one zinc-based layer
Official title: {with at least one zinc-based layer}
C23C28/025 (With at least one zinc-based layer) appears on 243 US grants and 325 published applications in this corpus.
Search patents in C23C- Granted patents
- 243
- Published applications
- 325
- Assignees
- 117
- Inventors
- 688
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 1 |
| 2002 | 2 | 1 |
| 2003 | 3 | 7 |
| 2004 | 4 | 4 |
| 2005 | 5 | 3 |
| 2006 | 1 | 1 |
| 2007 | 2 | 7 |
| 2008 | 1 | 2 |
| 2009 | 1 | 8 |
| 2010 | 5 | 10 |
| 2011 | 3 | 4 |
| 2012 | 2 | 6 |
| 2013 | 3 | 8 |
| 2014 | 3 | 3 |
| 2015 | 4 | 9 |
| 2016 | 6 | 11 |
| 2017 | 3 | 16 |
| 2018 | 12 | 16 |
| 2019 | 14 | 16 |
| 2020 | 9 | 35 |
| 2021 | 24 | 21 |
| 2022 | 23 | 29 |
| 2023 | 29 | 34 |
| 2024 | 25 | 26 |
| 2025 | 20 | 22 |
| 2026 | 15 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Corrosion resistant structure18 Aug 2026US 12,709,688 B2Industrial Technology Research Institute
- Welded joint and automobile member23 Jun 2026US 12,663,032 B2Nippon Steel Corporation
- Hot-rolled and coated steel sheet for hot-stamping, hot-stamped coated steel part and methods for manufacturing the same16 Jun 2026US 12,655,507 B2ArcelorMittal
- Anti-corrosion structure anchor19 May 2026US 12,630,991 B1USA Intellectual Property Holding, Inc.
- Manufacturing method for plated steel material having excellent adhesion to plating and corrosion resistance5 May 2026US 12,618,139 B2Posco
- Galvanized steel sheet, member, and method for manufacturing the same24 Sep 2026US 2026/0286530 A1Jfe Steel Corporation
- Multi-layer metal article and method of making the same20 Aug 2026US 2026/0242956 A1
- Hot-dip plated steel material13 Aug 2026US 2026/0234781 A1Nippon Steel Corporation
- Copper-coated steel wire, stranded wire, insulated electric wire, and cable23 Jul 2026US 2026/0213037 A1Sumitomo Electric Industries, Ltd.
- Coated steel strip with antimicrobial copper layer for air-handling systems9 Jul 2026US 2026/0191201 A1voestalpine Stahl GmbH
Most cited
By later US patents
- Nickel and/or cobalt-coated steel with carburized interface31US 4,013,487 ARederiaktiebolaget Nordstjernan · 1977
- Two layer-coated steel materials and process for producing the same30US 4,510,209 ANippon Steel Corporation · 1985
- Threaded fastener28US 4,802,807 AIllinois Tool Works Inc. · 1989
- Surface-treated steel sheet for fuel containers having excellent corrosion resistance, formability and weldability27US 6,143,430 ANippon Steel Corporation · 2000
- Fretting and whisker resistant coating system and method24US 7,391,116 B2GBC Metals, LLC · 2008