C23C 2/29
Cooling or quenching
Official title: {Cooling or quenching}
C23C2/29 (Cooling or quenching) appears on 592 US grants and 815 published applications in this corpus.
Search patents in C23C- Granted patents
- 592
- Published applications
- 815
- Assignees
- 123
- Inventors
- 1,078
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 6 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 5 | 2 |
| 2002 | 3 | 4 |
| 2003 | 5 | 5 |
| 2004 | 5 | 9 |
| 2005 | 5 | 3 |
| 2006 | 1 | 3 |
| 2007 | 2 | 3 |
| 2008 | 2 | 6 |
| 2009 | 1 | 14 |
| 2010 | 3 | 18 |
| 2011 | 6 | 18 |
| 2012 | 7 | 15 |
| 2013 | 8 | 17 |
| 2014 | 14 | 33 |
| 2015 | 16 | 34 |
| 2016 | 18 | 36 |
| 2017 | 26 | 47 |
| 2018 | 27 | 49 |
| 2019 | 43 | 51 |
| 2020 | 39 | 63 |
| 2021 | 52 | 57 |
| 2022 | 52 | 67 |
| 2023 | 59 | 57 |
| 2024 | 52 | 66 |
| 2025 | 54 | 70 |
| 2026 | 48 | 68 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Aluminum alloy-plated steel sheet having excellent workability and corrosion resistance and method for manufacturing same6 Oct 2026US 12,753,479 B2Posco
- Metal-coated steel strip29 Sep 2026US 12,747,489 B2Bluescope Steel Limited
- Steel sheet for hot press formed member22 Sep 2026US 12,741,447 B2Posco
- Plated steel material15 Sep 2026US 12,735,775 B2Nippon Steel Corporation
- Filtration system15 Sep 2026US 12,735,782 B2ArcelorMittal
- Plated steel material8 Oct 2026US 2026/0308723 A1Nippon Steel Corporation
- Hydrogen induced cracking-resistant cold-rolled hot-dip galvanized ultra-high-strength dual-phase steel and manufacturing method therefor8 Oct 2026US 2026/0308732 A1Baoshan Iron & Steel Co., Ltd.
- High-strength cold-rolled steel sheet, hot-dipped galvanized steel sheet, alloyed hot-dipped galvanized steel sheet, and methods for producing of these24 Sep 2026US 2026/0286456 A1Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Press hardening method24 Sep 2026US 2026/0286457 A1
- Method of producing coated or plated steel sheet24 Sep 2026US 2026/0286489 A1Jfe Steel Corporation
Most cited
By later US patents
- 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
- Zn-Al-Mg-Si-alloy plated steel product having excellent corrosion resistance and method for preparing the same37US 6,635,359 B1Daido Steel Sheet Corporation · 2003
- Coated steel sheet and method for manufacturing the same32US 6,610,422 B1NKK Corporation · 2003
- Apparatus for obtaining bright finish galvanizing coating on wire31US 4,177,754 AFennell Corporation · 1979
- High tensile hot-dip zinc-coated steel plate excellent in ductility and method for production thereof27US 6,423,426 B1Kawasaki Steel Corporation · 2002