B21C 1/04
With two or more dies operating in series
Official title: with two or more dies operating in series
B21C1/04 (With two or more dies operating in series) appears on 53 US grants and 26 published applications in this corpus.
Search patents in B21C- Granted patents
- 53
- Published applications
- 26
- Assignees
- 42
- Inventors
- 104
- Latest grant
- 9 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 2 |
| 2007 | 2 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 1 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 2 |
| 2013 | 1 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 3 |
| 2016 | 1 | 3 |
| 2017 | 1 | 3 |
| 2018 | 3 | 1 |
| 2019 | 4 | 2 |
| 2020 | 0 | 2 |
| 2021 | 2 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 2 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Copper-coated aluminum wire material and production method therefor9 Sep 2025US 12,410,509 B2National Institute for Materials Science
- Drawing machine and drawing method9 May 2023US 11,642,711 B2FAE Inc.
- Method of producing inner spiral grooved tube and apparatus for producing inner spiral grooved tube6 Jul 2021US 11,052,443 B2Mitsubishi Aluminum Co., Ltd.
- Aluminum wire manufacturing method27 Apr 2021US 10,991,486 B2Yazaki Corporation
- Method for manufacturing single-crystalline metal ultrafine wire24 Dec 2019US 10,512,959 B2Pusan National University Industrial-University Cooperation Foundation
- Wiredrawn product and method for manufacturing wiredrawn product6 Jun 2024US 2024/0183010 A1Tokyo Rope Mfg. Co., Ltd.
- Copper-Coated Aluminum Wire Material and Production Method Therefor11 Apr 2024US 2024/0117483 A1National Institute for Materials Science
- Wire for medical treatment instrument and guide wire14 May 2020US 2020/0147353 A1Tokusen Kogyo Co., Ltd.
- Drawing machine and drawing method27 Feb 2020US 2020/0061688 A1FAE Inc.
- Roll-drawing machine30 May 2019US 2019/0160503 A1Metal Industries Research & Development Centre
Most cited
By later US patents
- Method and apparatus for drawing wire through a plurality of standard dies at the die positions18US 5,535,612 AThe Goodyear Tire & Rubber Company · 1996
- Method of simultaneously drawing a number of wire members15US 4,044,447 ANippon Seisen Co., Ltd. · 1977
- Continuous draw anneal system8US 4,280,857 AAluminum Company of America · 1981
- Method and apparatus for wire drawing7US 5,189,897 AThe Goodyear Tire & Rubber Company · 1993
- Wire drawing method and apparatus6US 4,464,922 AMarshall Richards Barcro Limited · 1984