C21D 8/0478
Involving a particular surface treatment
Official title: {involving a particular surface treatment (C21D8/0494 takes precedence)}
C21D8/0478 (Involving a particular surface treatment) appears on 122 US grants and 138 published applications in this corpus.
Search patents in C21D- Granted patents
- 122
- Published applications
- 138
- Assignees
- 44
- Inventors
- 441
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 5 | 1 |
| 2004 | 0 | 6 |
| 2005 | 1 | 1 |
| 2006 | 0 | 1 |
| 2007 | 2 | 0 |
| 2008 | 1 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 3 |
| 2011 | 1 | 5 |
| 2012 | 0 | 3 |
| 2013 | 3 | 4 |
| 2014 | 2 | 18 |
| 2015 | 5 | 8 |
| 2016 | 5 | 10 |
| 2017 | 14 | 8 |
| 2018 | 6 | 6 |
| 2019 | 7 | 4 |
| 2020 | 5 | 9 |
| 2021 | 7 | 7 |
| 2022 | 6 | 9 |
| 2023 | 1 | 5 |
| 2024 | 12 | 14 |
| 2025 | 4 | 6 |
| 2026 | 7 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Steel aerosol monobloc11 Aug 2026US 12,703,901 B2ArcelorMittal
- Steel sheet and press-formed article16 Jun 2026US 12,655,511 B2Nippon Steel Corporation
- Method for producing high-strength steel parts with improved ductility, and parts obtained by said method19 May 2026US 12,630,897 B2ArcelorMittal
- Steel part having high strength and high bendability14 Apr 2026US 12,601,028 B2ArcelorMittal
- Modified hot-dip galvanize coatings with low liquidus temperature, methods of making and using the same3 Feb 2026US 12,540,383 B2Colorado School of Mines
- Hot-dip galvanized steel sheet, member formed using hot-dip galvanized steel sheet, automobile frame structural component or automobile reinforcement component comprising member, and method for producing hot-dip galvanized steel sheet and member10 Sep 2026US 2026/0265885 A1Jfe Steel Corporation
- Press hardened steel part having high-strength and improved ductility27 Aug 2026US 2026/0250797 A1
- Steel sheet for hot-stamping, method for manufacturing steel sheet for hot-stamping, and hot-stamped formed body27 Aug 2026US 2026/0250815 A1Nippon Steel Corporation
- High-tensile steel having improved hydrogen embrittlement resistance13 Aug 2026US 2026/0233274 A1ThyssenKrupp Steel Europe AG
- Cold-rolled steel sheet and steel member13 Aug 2026US 2026/0234777 A1Nippon Steel Corporation
Most cited
By later US patents
- Cold rolled steel sheets having an improved press formability28US 4,775,599 AKawasaki Steel Corporation · 1988
- Battery can, sheet for forming battery can, and method for manufacturing sheet27US 5,576,113 AKatayama Special Industries, Ltd. · 1996
- Steel band with good forming properties and method for producing same23US 6,613,163 B1Hille & Mueller GmbH · 2003
- Method for producing hot-dip galvanized steel sheet having high strength and also being excellent in formability and galvanizing property19US 6,537,394 B1Kawasaki Steel Corporation · 2003
- Hot dip Galvanized steel plate excellent in balance of strength and ductility and in adhesiveness between steel and plating layer19US 6,558,815 B1Kawasaki Steel Corporation · 2003