C23C 2/0224
Two or more thermal pretreatments
Official title: {Two or more thermal pretreatments}
C23C2/0224 (Two or more thermal pretreatments) appears on 670 US grants and 960 published applications in this corpus.
Search patents in C23C- Granted patents
- 670
- Published applications
- 960
- Assignees
- 101
- Inventors
- 1,242
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 6 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 6 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 7 | 1 |
| 2002 | 3 | 5 |
| 2003 | 10 | 14 |
| 2004 | 8 | 16 |
| 2005 | 6 | 2 |
| 2006 | 4 | 9 |
| 2007 | 3 | 6 |
| 2008 | 2 | 18 |
| 2009 | 4 | 13 |
| 2010 | 9 | 21 |
| 2011 | 7 | 29 |
| 2012 | 8 | 19 |
| 2013 | 13 | 27 |
| 2014 | 22 | 65 |
| 2015 | 23 | 55 |
| 2016 | 18 | 44 |
| 2017 | 44 | 49 |
| 2018 | 42 | 59 |
| 2019 | 45 | 70 |
| 2020 | 43 | 75 |
| 2021 | 51 | 41 |
| 2022 | 65 | 48 |
| 2023 | 50 | 51 |
| 2024 | 42 | 72 |
| 2025 | 57 | 79 |
| 2026 | 38 | 72 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- 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
- Zinc or zinc-alloy coated strip or steel with improved zinc adhesion15 Sep 2026US 12,735,780 B2voestalpine Stahl GmbH
- Method for producing a high strength coated steel sheet having improved ductility and formability, and obtained coated steel sheet8 Sep 2026US 12,729,408 B2ArcelorMittal
- TWIP steel sheet having an austenitic matrix8 Sep 2026US 12,729,409 B2ArcelorMittal
- Galvanized steel sheet and member, and method of producing same18 Aug 2026US 12,709,783 B2Jfe Steel Corporation
- Coated steel sheet, member, and methods for producing the same1 Oct 2026US 2026/0297713 A1Jfe Steel Corporation
- Hot dipping and high-temperature austenitizing technologies-based zinc-aluminum-magnesium coated steel sheet to be stamped, preparation method therefor and use thereof1 Oct 2026US 2026/0297720 A1Bengang Steel Plates Co., Ltd.
- Steel sheet, member, and methods for producing the same24 Sep 2026US 2026/0286459 A1Jfe Steel Corporation
- High yield ratio-type high-strength steel sheet and method for manufacturing same24 Sep 2026US 2026/0286460 A1Posco
- Method of producing coated or plated steel sheet24 Sep 2026US 2026/0286489 A1Jfe Steel Corporation
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
- Hot-dip galvanized steel sheet and production thereof31US 6,312,536 B1Kabushiki Kaisha Kobe Seiko Sho · 2001
- High strength galvanized steel plate excellent in adhesion of plated metal and formability in press working and high strength alloy galvanized steel plate and method for production thereof31US 6,517,955 B1Nippon Steel Corporation · 2003
- High tensile hot-dip zinc-coated steel plate excellent in ductility and method for production thereof27US 6,423,426 B1Kawasaki Steel Corporation · 2002