C23C 2/0222
In a reactive atmosphere
Official title: {in a reactive atmosphere, e.g. oxidising or reducing atmosphere (C23C2/024 takes precedence)}
C23C2/0222 (In a reactive atmosphere) appears on 202 US grants and 253 published applications in this corpus.
Search patents in C23C- Granted patents
- 202
- Published applications
- 253
- Assignees
- 67
- Inventors
- 535
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 7 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 0 |
| 2003 | 2 | 4 |
| 2004 | 1 | 4 |
| 2005 | 2 | 1 |
| 2006 | 1 | 3 |
| 2007 | 0 | 3 |
| 2008 | 1 | 6 |
| 2009 | 1 | 5 |
| 2010 | 5 | 8 |
| 2011 | 0 | 4 |
| 2012 | 3 | 3 |
| 2013 | 6 | 8 |
| 2014 | 5 | 14 |
| 2015 | 9 | 16 |
| 2016 | 8 | 22 |
| 2017 | 13 | 14 |
| 2018 | 17 | 16 |
| 2019 | 7 | 9 |
| 2020 | 14 | 19 |
| 2021 | 12 | 8 |
| 2022 | 14 | 17 |
| 2023 | 18 | 14 |
| 2024 | 4 | 17 |
| 2025 | 16 | 15 |
| 2026 | 10 | 22 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for manufacturing hot-dip galvanized steel sheet, and steel sheet and vehicle component22 Sep 2026US 12,742,222 B2Baoshan Iron & Steel Co., Ltd.
- Zinc or zinc-alloy coated strip or steel with improved zinc adhesion15 Sep 2026US 12,735,780 B2voestalpine Stahl GmbH
- Hot-dip plated steel material25 Aug 2026US 12,716,114 B2Nippon Steel Corporation
- Galvanized steel sheet with excellent surface quality and electrical resistance spot weldability and method for manufacturing same4 Aug 2026US 12,698,552 B2Posco
- Zinc-plated steel sheet for hot stamping, method of manufacturing zinc-plated steel sheet for hot stamping, and hot-stamping formed body30 Jun 2026US 12,668,860 B2Nippon Steel Corporation
- Plated steel material8 Oct 2026US 2026/0308723 A1Nippon Steel Corporation
- Device for improving preoxidation in an annealing furnace1 Oct 2026US 2026/0297719 A1John Cockerill S.A.
- Method of producing coated or plated steel sheet24 Sep 2026US 2026/0286489 A1Jfe Steel Corporation
- Method for manufacturing hot-dip galvanized steel sheet24 Sep 2026US 2026/0286490 A1Jfe Steel Corporation
- Method of producing galvannealed steel sheet24 Sep 2026US 2026/0286491 A1Jfe Steel Corporation
Most cited
By later US patents
- Installation for the flame metalization of small pieces of steel or cast iron53US 5,152,953 A1992
- Process for coating stainless steel with a lead-based alloy and article25US 4,177,326 AVallourec (Usines a Tubes de Lorraine-Escaut et Vallourec Reunies) · 1979
- High strength thin steel sheet, high strength alloyed hot-dip zinc-coated steel sheet, and method for producing them20US 6,410,163 B1Kawasaki Steel Corporation · 2002
- Method of treating ferrous strand for coating with aluminum-zinc alloys19US 4,053,663 ABethlehem Steel Corporation · 1977
- Method for hot-dip coating chromium-bearing steel19US 5,175,026 AAllegheny Ludlum Corporation · 1992