C21D 9/5732
Of wires
Official title: {of wires; of rods}
C21D9/5732 (Of wires) appears on 117 US grants and 66 published applications in this corpus.
Search patents in C21D- Granted patents
- 117
- Published applications
- 66
- Assignees
- 72
- Inventors
- 288
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 6 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 6 | 0 |
| 1983 | 7 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 5 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 4 | 2 |
| 2003 | 4 | 2 |
| 2004 | 0 | 0 |
| 2005 | 1 | 2 |
| 2006 | 0 | 3 |
| 2007 | 0 | 1 |
| 2008 | 3 | 3 |
| 2009 | 0 | 4 |
| 2010 | 1 | 2 |
| 2011 | 0 | 2 |
| 2012 | 1 | 2 |
| 2013 | 2 | 0 |
| 2014 | 2 | 3 |
| 2015 | 2 | 1 |
| 2016 | 1 | 1 |
| 2017 | 0 | 4 |
| 2018 | 2 | 0 |
| 2019 | 1 | 3 |
| 2020 | 0 | 5 |
| 2021 | 1 | 5 |
| 2022 | 2 | 4 |
| 2023 | 2 | 7 |
| 2024 | 0 | 8 |
| 2025 | 7 | 2 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Steel wire28 Apr 2026US 12,612,675 B2Nippon Steel Corporation
- Process for manufacturing compact coils of ultra-fine grained, martensite-free steel bars21 Apr 2026US 12,606,882 B2Danieli & C. Officine Meccaniche SpA
- Ultra-high-strength reinforcing bar and manufacturing method thereof16 Dec 2025US 12,497,669 B2Hyundai Steel Company
- Wire rod and steel wire for spring, having enhanced toughness and corrosion fatigue properties, and respective manufacturing methods therefor5 Aug 2025US 12,378,628 B2Posco
- Damper spring24 Jun 2025US 12,338,516 B2Nippon Steel Corporation
- Steel plant with direct cooling water treatment circuit and related process12 Jun 2025US 2025/0187066 A1Danieli & C. Officine Meccaniche SpA
- Ultra-high-strength reinforcing bar and manufacturing method thereof24 Apr 2025US 2025/0129446 A1Hyundai Steel Company
- Heat- treated steel and heat treatment method for steel7 Nov 2024US 2024/0368718 A1Tokyo Rope Mfg. Co., Ltd.
- Wire rod and steel wire for spring, spring with improved strength and fatigue limit, and method for manufacturing same8 Aug 2024US 2024/0263286 A1Posco
- System and method for producing steel products in the form of wires and/or bars18 Jul 2024US 2024/0238854 A1SMS group GmbH
Most cited
By later US patents
- Controlled cooling apparatus for hot rolled wire rods34US 4,423,856 AKabushiki Kaisha Kobe Seiko Sho · 1984
- Apparatus for obtaining bright finish galvanizing coating on wire31US 4,177,754 AFennell Corporation · 1979
- Process and apparatus for cooling hot rolled steel rod14US 4,054,276 AMorgan Construction Company · 1977
- Process and apparatus for sequentially forming and treating steel rod14US 4,168,993 AMorgan Construction Company · 1979
- Methods for hot rolling and treating rod13US 4,242,153 AMorgan Construction Company · 1980