C23C 2/0038
Characterised by the pre-treatment chambers located immediately upstream of the bath or
Official title: {characterised by the pre-treatment chambers located immediately upstream of the bath or occurring locally before the dipping process}
C23C2/0038 (Characterised by the pre-treatment chambers located immediately upstream of the bath or) appears on 249 US grants and 213 published applications in this corpus.
Search patents in C23C- Granted patents
- 249
- Published applications
- 213
- Assignees
- 123
- Inventors
- 640
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 6 | 0 |
| 1979 | 11 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 6 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 6 | 0 |
| 1996 | 6 | 0 |
| 1997 | 4 | 0 |
| 1998 | 7 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 0 |
| 2002 | 4 | 4 |
| 2003 | 3 | 6 |
| 2004 | 6 | 6 |
| 2005 | 2 | 3 |
| 2006 | 0 | 4 |
| 2007 | 1 | 4 |
| 2008 | 2 | 6 |
| 2009 | 2 | 6 |
| 2010 | 1 | 8 |
| 2011 | 3 | 6 |
| 2012 | 3 | 3 |
| 2013 | 3 | 9 |
| 2014 | 9 | 11 |
| 2015 | 8 | 19 |
| 2016 | 11 | 10 |
| 2017 | 13 | 9 |
| 2018 | 9 | 13 |
| 2019 | 7 | 14 |
| 2020 | 12 | 14 |
| 2021 | 10 | 19 |
| 2022 | 7 | 13 |
| 2023 | 18 | 8 |
| 2024 | 9 | 9 |
| 2025 | 6 | 4 |
| 2026 | 5 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for manufacturing hot-dip galvanized steel sheet5 May 2026US 12,618,132 B2Jfe Steel Corporation
- Hot dip coating device and method7 Apr 2026US 12,595,541 B2Tata Steel Nederland Technology B.V.
- Steel-sheet non-plating defect prediction method, steel-sheet defect reduction method, hot-dip galvanized steel sheet manufacturing method, and steel-sheet non-plating defect prediction model generation method7 Apr 2026US 12,595,543 B2Jfe Steel Corporation
- Apparatus and method for dip coating a metal strip using a moveable overflow31 Mar 2026US 12,590,343 B2ArcelorMittal
- Coated steel substrate13 Jan 2026US 12,522,909 B2ArcelorMittal
- Method for heating steel sheet, method for producing coated steel sheet, direct fired furnace, and continuous hot-dip galvanizing facility3 Sep 2026US 2026/0258541 A1Jfe Steel Corporation
- Continuous annealing line, continuous annealing method, method of producing cold-rolled steel sheet, and method of producing coated or plated steel sheet30 Jul 2026US 2026/0218361 A1Jfe Steel Corporation
- A hot dip coating device and a method of operating thereof9 Jul 2026US 2026/0193766 A1Tata Steel Ijmuiden B.V.
- Liquid cooling of a strip running in a continuous line30 Apr 2026US 2026/0117356 A1Fives Stein
- Pre-treatment of a substrate for hot-dip coating22 Jan 2026US 2026/0022443 A1GM Global Technology Operations LLC
Most cited
By later US patents
- Installation for the flame metalization of small pieces of steel or cast iron53US 5,152,953 A1992
- Continuous hot-dip plating apparatus34US 5,072,689 AHitachi, Ltd. · 1991
- Continuous hot dipping apparatus and slide bearing structure therefor30US 5,538,558 AHitachi, Ltd. · 1996
- Method for continuously contact-coating one side only of a ferrous base metal strip with a molten coating metal29US 4,152,471 AArmco Steel Corporation · 1979
- Process for manufacturing galvanized steel sheet by nickel pre-coating method27US 5,203,985 ANippon Steel Corporation · 1993