C21D 8/06
During manufacturing of rods or wires
Official title: during manufacturing of rods or wires
C21D8/06 (During manufacturing of rods or wires) appears on 578 US grants and 696 published applications in this corpus.
Search patents in C21D- Granted patents
- 578
- Published applications
- 696
- Assignees
- 317
- Inventors
- 1,568
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 10 | 0 |
| 1978 | 7 | 0 |
| 1979 | 6 | 0 |
| 1980 | 5 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 6 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 16 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 12 | 0 |
| 1990 | 10 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 11 | 0 |
| 1994 | 8 | 0 |
| 1995 | 4 | 0 |
| 1996 | 5 | 0 |
| 1997 | 14 | 0 |
| 1998 | 8 | 0 |
| 1999 | 7 | 0 |
| 2000 | 6 | 0 |
| 2001 | 11 | 1 |
| 2002 | 14 | 8 |
| 2003 | 14 | 18 |
| 2004 | 14 | 11 |
| 2005 | 5 | 10 |
| 2006 | 5 | 19 |
| 2007 | 3 | 12 |
| 2008 | 7 | 15 |
| 2009 | 6 | 18 |
| 2010 | 7 | 21 |
| 2011 | 8 | 19 |
| 2012 | 11 | 22 |
| 2013 | 12 | 22 |
| 2014 | 17 | 21 |
| 2015 | 17 | 33 |
| 2016 | 13 | 42 |
| 2017 | 20 | 51 |
| 2018 | 27 | 44 |
| 2019 | 28 | 25 |
| 2020 | 27 | 45 |
| 2021 | 26 | 28 |
| 2022 | 20 | 48 |
| 2023 | 10 | 48 |
| 2024 | 25 | 52 |
| 2025 | 42 | 40 |
| 2026 | 25 | 23 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for producing a steel part and steel part6 Oct 2026US 12,753,462 B2ArcelorMittal
- Steel wire and method of manufacturing steel wire15 Sep 2026US 12,735,777 B2Sumitomo Electric Industries, Ltd.
- Tire cord steel with high strength and low wire breakage rate, and rolling method and use thereof28 Jul 2026US 12,692,581 B2Wuhan Iron and Steel Company Limited
- Non-heat treated wire rod having excellent drawability and impact toughness and method for manufacturing same30 Jun 2026US 12,668,853 B2Posco
- Mechanical structure steel for cold-working and manufacturing method therefor16 Jun 2026US 12,655,505 B2Kobe Steel, Ltd.
- Low-coercivity wire rod and manufacturing method therefor24 Sep 2026US 2026/0286481 A1Baoshan Iron & Steel Co., Ltd.
- High-strength economical high-carbon steel wire rod and manufacturing method therefor17 Sep 2026US 2026/0275471 A1Baoshan Iron & Steel Co., Ltd.
- Non-heat treated wire rod with excellent wire drawability and impact toughness and manufacturing method therefor10 Sep 2026US 2026/0265891 A1Posco
- Steel material27 Aug 2026US 2026/0250817 A1Nippon Steel Corporation
- Low-thermal-expansion alloy20 Aug 2026US 2026/0242897 A1Shinhokoku Material Corp.
Most cited
By later US patents
- Suturing with corrosion and breakage resistant flexible wire192US 5,333,625 A1994
- Layered steel cord43US 4,651,513 ANV Bekaert SA · 1987
- Process of preparing steel coil spring41US 4,336,081 ANeturen Co., Ltd. · 1982
- Component for use in oil field technology made of a material which comprises a corrosion-resistant austenitic steel alloy41US 7,708,841 B2Boehler Edelstahl GmbH & Co. KG · 2010
- Corrosion resistant material35US 6,764,647 B2Choeller-Bleckmann Oilfield Technology GmbH & Co. KG · 2004