C25F 3/06
Of iron or steel
Official title: of iron or steel
C25F3/06 (Of iron or steel) appears on 85 US grants and 106 published applications in this corpus.
Search patents in C25F- Granted patents
- 85
- Published applications
- 106
- Assignees
- 90
- Inventors
- 315
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 5 |
| 2004 | 0 | 0 |
| 2005 | 0 | 3 |
| 2006 | 3 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 2 | 1 |
| 2010 | 0 | 2 |
| 2011 | 1 | 1 |
| 2012 | 0 | 3 |
| 2013 | 1 | 2 |
| 2014 | 4 | 3 |
| 2015 | 0 | 7 |
| 2016 | 1 | 3 |
| 2017 | 4 | 6 |
| 2018 | 6 | 9 |
| 2019 | 1 | 9 |
| 2020 | 7 | 7 |
| 2021 | 7 | 9 |
| 2022 | 4 | 12 |
| 2023 | 5 | 11 |
| 2024 | 5 | 5 |
| 2025 | 4 | 4 |
| 2026 | 8 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Grain-oriented electrical steel sheet and manufacturing method therefor25 Aug 2026US 12,716,134 B2Nippon Steel Corporation
- Stainless steel for separation plate of polymer electrolyte membrane fuel cell having improved hydrophilic property and corrosion resistance, and manufacturing method therefor25 Aug 2026US 12,719,063 B2Posco
- Ferritic stainless steel sheet for current collectors for sulfide-based solid-state batteries, and method for manufacturing same16 Jun 2026US 12,658,454 B2Jfe Steel Corporation
- Ferritic stainless steel used for bipolar plates of fuel cells, controlling method of surface roughness, method of forming passivation films, and use19 May 2026US 12,630,909 B2Shandong Industrial Research Institute of Advanced Materials Co., Ltd
- Method for surface treatment and/or production of a medical product, and a medical product5 May 2026US 12,618,168 B2Aesculap AG
- Method and device for dry treatment of metal surfaces by means of electrically active solid particles25 Jun 2026US 2026/0175343 A1Drylyte, S.L.
- Method for etching steel, method for preparing sample for optical microscopic observation, solution set for etching steel, and etching apparatus25 Jun 2026US 2026/0176732 A1Jfe Steel Corporation
- Production method for a grain-oriented electrical steel sheet4 Jun 2026US 2026/0152815 A1Jfe Steel Corporation
- Dual activity of copper modified nanotextured stainless steel12 Feb 2026US 2026/0043166 A1Georgia Tech Research Corporation
- Pulsed nano surfacing methods19 Jun 2025US 2025/0198044 A1Nanovis, LLC
Most cited
By later US patents
- Method for coloring a stainless steel14US 4,026,737 ANippon Steel Corporation · 1977
- Method for creating a corrosion-resistant surface on aluminum alloys having a high copper content14US 5,582,654 AUniversity of Southern California · 1996
- Coated article and method for producing same12US 5,773,087 ASumitomo Electric Industries, Ltd. · 1998
- Method of mitigating boundary friction and wear in metal surfaces in sliding contacts11US 4,528,079 AMiracle Metals, Inc. · 1985
- Method of electrolytically etching linear impressions in electrical steel10US 4,904,312 ABritish Steel Corporation · 1990