C25D 5/36
Of iron or steel
Official title: of iron or steel
C25D5/36 (Of iron or steel) appears on 317 US grants and 423 published applications in this corpus.
Search patents in C25D- Granted patents
- 317
- Published applications
- 423
- Assignees
- 210
- Inventors
- 1,032
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 5 | 0 |
| 1988 | 5 | 0 |
| 1989 | 5 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 5 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 2 |
| 2004 | 0 | 6 |
| 2005 | 4 | 3 |
| 2006 | 3 | 5 |
| 2007 | 2 | 5 |
| 2008 | 0 | 4 |
| 2009 | 2 | 4 |
| 2010 | 2 | 16 |
| 2011 | 3 | 9 |
| 2012 | 7 | 14 |
| 2013 | 2 | 22 |
| 2014 | 4 | 29 |
| 2015 | 11 | 32 |
| 2016 | 12 | 31 |
| 2017 | 22 | 35 |
| 2018 | 27 | 26 |
| 2019 | 24 | 16 |
| 2020 | 24 | 29 |
| 2021 | 21 | 21 |
| 2022 | 17 | 21 |
| 2023 | 17 | 30 |
| 2024 | 24 | 27 |
| 2025 | 22 | 20 |
| 2026 | 7 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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)
- High-strength electrogalvannealed steel sheet and method for manufacturing the same6 Oct 2026US 12,753,456 B2Jfe Steel Corporation
- 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
- Galvanized steel sheet7 Apr 2026US 12,595,580 B2Jfe Steel Corporation
- Landing gear comprising static sealing points17 Feb 2026US 12,552,523 B2Safran Landing Systems
- Grain-oriented electrical steel sheet and method for forming insulating coating17 Sep 2026US 2026/0275529 A1Nippon Steel Corporation
- Nickel-plated metal sheet6 Aug 2026US 2026/0225347 A1Toyo Kohan Co.Ltd
- Cold rolled steel sheet and method of manufacturing thereof6 Aug 2026US 2026/0226596 A1Posco
- Nickel-plated metal material6 Aug 2026US 2026/0226644 A1Toyo Kohan Co.Ltd
- Electric wire6 Aug 2026US 2026/0229382 A1Sumitomo Electric Industries, Ltd.
Most cited
By later US patents
- Low-rate electrochemical etch of thin film metals and alloys146US 8,524,068 B2Western Digital (Fremont), LLC · 2013
- Zn-coated stainless steel welded pipe54US 4,885,215 AKawasaki Steel Corporation · 1989
- Process for direct gold plating of stainless steel51US 4,422,906 A1983
- Methods of coating and surface finishing articles made of metals and their alloys47US 3,969,195 ASiemens Aktiengesellschaft · 1976
- Process for the treatment of stainless steel for a direct galvanic gold plating40US 4,659,438 ADegussa AG · 1987