C25D 3/20
Of iron
Official title: of iron
C25D3/20 (Of iron) appears on 88 US grants and 139 published applications in this corpus.
Search patents in C25D- Granted patents
- 88
- Published applications
- 139
- Assignees
- 88
- Inventors
- 315
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 2 |
| 2004 | 1 | 0 |
| 2005 | 1 | 2 |
| 2006 | 3 | 2 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 2 | 4 |
| 2010 | 0 | 2 |
| 2011 | 0 | 2 |
| 2012 | 0 | 4 |
| 2013 | 3 | 5 |
| 2014 | 2 | 6 |
| 2015 | 3 | 5 |
| 2016 | 4 | 7 |
| 2017 | 6 | 7 |
| 2018 | 2 | 7 |
| 2019 | 7 | 5 |
| 2020 | 3 | 7 |
| 2021 | 6 | 6 |
| 2022 | 5 | 11 |
| 2023 | 7 | 15 |
| 2024 | 5 | 17 |
| 2025 | 9 | 10 |
| 2026 | 3 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fe-based electroplated steel sheet, electrodeposition-coated steel sheet, automotive part, method of producing electrodeposition-coated steel sheet, and method of producing Fe-based electroplated steel sheet1 Sep 2026US 12,723,319 B2Jfe Steel Corporation
- Method and apparatus for plating metal and metal oxide layer cores28 Jul 2026US 12,692,614 B2
- Ore dissolution and iron conversion system17 Mar 2026US 12,577,696 B2Electrasteel, Inc.
- Piston ring having a wear protection layer containing particles, method for production and use23 Dec 2025US 12,504,074 B2Federal-Mogul Burscheid GmbH
- Solution for electroplating iron, and electroplated steel sheet manufactured by using same16 Dec 2025US 12,497,706 B2Posco
- Process and system for electrolytically producing an iron-bearing product from iron ore particles1 Oct 2026US 2026/0297782 A1Fortescue Future Industries Pty Ltd
- Galvanized steel sheet, member, and method for manufacturing the same24 Sep 2026US 2026/0286530 A1Jfe Steel Corporation
- Plated steel sheet having excellent degreasing properties and method for manufacturiing same23 Jul 2026US 2026/0209950 A1Posco
- Hot-dip galvanized steel sheet, member produced using hot-dip galvanized steel sheet, automotive framework structural component or automotive reinforcing component comprising member, and production methods for hot-dip galvanized steel sheet and member9 Jul 2026US 2026/0193752 A1Jfe Steel Corporation
- High-strength hot dip galvanized steel sheet having excellent plating quality, plating steel sheet, and manufacturing methods therefor4 Jun 2026US 2026/0152833 A1Posco
Most cited
By later US patents
- Low-rate electrochemical etch of thin film metals and alloys146US 8,524,068 B2Western Digital (Fremont), LLC · 2013
- Three dimensional additive manufacturing of metal objects by stereo-electrochemical deposition34US 9,777,385 B2Fabric8Labs, Inc. · 2017
- Apparatus for electrochemical additive manufacturing25US 10,465,307 B2Fabric8Labs, Inc. · 2019
- Property modulated materials and methods of making the same25US 9,234,294 B2Modumetal, Inc. · 2016
- Hermetic coating for an optical fiber24US 4,592,932 AITT Corporation · 1986