C23C 2/261
In a gas atmosphere
Official title: {in a gas atmosphere, e.g. inert or reducing atmosphere}
C23C2/261 (In a gas atmosphere) appears on 147 US grants and 171 published applications in this corpus.
Search patents in C23C- Granted patents
- 147
- Published applications
- 171
- Assignees
- 62
- Inventors
- 368
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 2 |
| 2002 | 1 | 1 |
| 2003 | 1 | 2 |
| 2004 | 3 | 2 |
| 2005 | 0 | 3 |
| 2006 | 0 | 2 |
| 2007 | 2 | 1 |
| 2008 | 1 | 1 |
| 2009 | 1 | 2 |
| 2010 | 1 | 4 |
| 2011 | 3 | 5 |
| 2012 | 1 | 5 |
| 2013 | 1 | 5 |
| 2014 | 6 | 4 |
| 2015 | 5 | 11 |
| 2016 | 1 | 3 |
| 2017 | 5 | 9 |
| 2018 | 9 | 10 |
| 2019 | 10 | 13 |
| 2020 | 9 | 21 |
| 2021 | 8 | 14 |
| 2022 | 14 | 16 |
| 2023 | 15 | 8 |
| 2024 | 15 | 10 |
| 2025 | 13 | 9 |
| 2026 | 5 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Al-fe-alloy plated steel sheet for hot forming, having excellent twb welding characteristics, hot forming member, and manufacturing methods therefor17 Sep 2026US 2026/0275473 A1Posco
- Zn-al-mg coated steel sheet23 Jul 2026US 2026/0209923 A1Jfe Steel Corporation
- Aluminum-iron-plated steel sheet, having excellent mold wear resistance, for hot press forming, and manufacturing method thereof11 Jun 2026US 2026/0159930 A1Posco
- Steel treatment method and electrical steel sheet12 Mar 2026US 2026/0071305 A1Aisin Corporation
Most cited
By later US patents
- Hot pressing method for high strength member using steel sheet and hot pressed parts33US 7,867,344 B2Nippon Steel Corporation · 2011
- Process for producing a hot dip galvanized steel strip20US 4,369,211 ANippon Steel Corporation · 1983
- Method of forming seamed metal tube19US 5,732,874 AThe IDOD Trust · 1998
- Method of forming seamed metal tube17US 6,018,859 AThe IDOD Trust · 2000
- Process and installation for the continuous application of an oxidizable coating to a strip15US 4,612,215 AZiegler S.A. · 1986