C23C 2/02
Pretreatment of the material to be coated
Official title: Pretreatment of the material to be coated, e.g. for coating on selected surface areas (C23C2/30 takes precedence)
C23C2/02 (Pretreatment of the material to be coated) appears on 1,085 US grants and 1,474 published applications in this corpus.
Search patents in C23C- Granted patents
- 1,085
- Published applications
- 1,474
- Assignees
- 256
- Inventors
- 2,025
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 10 | 0 |
| 1980 | 4 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 5 | 0 |
| 1992 | 7 | 0 |
| 1993 | 5 | 0 |
| 1994 | 4 | 0 |
| 1995 | 18 | 0 |
| 1996 | 10 | 0 |
| 1997 | 8 | 0 |
| 1998 | 6 | 0 |
| 1999 | 3 | 0 |
| 2000 | 8 | 0 |
| 2001 | 12 | 5 |
| 2002 | 12 | 10 |
| 2003 | 17 | 28 |
| 2004 | 17 | 25 |
| 2005 | 13 | 11 |
| 2006 | 7 | 17 |
| 2007 | 6 | 15 |
| 2008 | 5 | 23 |
| 2009 | 8 | 19 |
| 2010 | 13 | 29 |
| 2011 | 9 | 40 |
| 2012 | 11 | 30 |
| 2013 | 15 | 36 |
| 2014 | 29 | 82 |
| 2015 | 31 | 75 |
| 2016 | 34 | 67 |
| 2017 | 57 | 62 |
| 2018 | 53 | 78 |
| 2019 | 65 | 90 |
| 2020 | 65 | 95 |
| 2021 | 65 | 77 |
| 2022 | 88 | 78 |
| 2023 | 78 | 111 |
| 2024 | 83 | 141 |
| 2025 | 105 | 120 |
| 2026 | 71 | 110 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Slurry-blasted hot-roll-based hot dip aluminized steel strip6 Oct 2026US 12,753,476 B2Cleveland-Cliffs Steel Properties Inc.
- Method for manufacturing hot-dip galvanized steel sheet, and steel sheet and vehicle component22 Sep 2026US 12,742,222 B2Baoshan Iron & Steel Co., Ltd.
- Steel sheet, coated steel sheet, method for producing hot-rolled steel sheet, method for producing cold-rolled full hard steel sheet, method for producing heat-treated steel sheet, method for producing steel sheet, and method for producing coated steel sheet15 Sep 2026US 12,735,759 B2Jfe Steel Corporation
- Plated steel material15 Sep 2026US 12,735,775 B2Nippon Steel Corporation
- Zinc or zinc-alloy coated strip or steel with improved zinc adhesion15 Sep 2026US 12,735,780 B2voestalpine Stahl GmbH
- Plated steel material8 Oct 2026US 2026/0308723 A1Nippon Steel Corporation
- Coated steel sheet, member, and methods for producing the same1 Oct 2026US 2026/0297713 A1Jfe Steel Corporation
- Steel sheet and plated steel sheet1 Oct 2026US 2026/0297714 A1Nippon Steel Corporation
- Steel sheet and manufacturing method thereof1 Oct 2026US 2026/0297715 A1Posco
- Device for improving preoxidation in an annealing furnace1 Oct 2026US 2026/0297719 A1John Cockerill S.A.
Most cited
By later US patents
- High strength steel sheet having excellent formability and method for production thereof66US 7,090,731 B2Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) · 2006
- Installation for the flame metalization of small pieces of steel or cast iron53US 5,152,953 A1992
- -Zn coated steel material, ZN coated steel sheet and painted steel sheet excellent in corrosion resistance, and method of producing the same50US 6,465,114 B1Nippon Steel Corporation · 2002
- Process for the manufacture of a part with very high mechanical properties, formed by stamping of a strip of rolled steel sheet and more particularly hot rolled and coated50US 6,564,604 B2Unisor · 2003
- Activated aluminum fuel37US 10,745,789 B2Ltag Systems LLC · 2020