B21C 1/34
Guiding or supporting the material or mandrels
B21C1/34 (Guiding or supporting the material or mandrels) appears on 9 US grants and 8 published applications in this corpus.
Search patents in B21C- Granted patents
- 9
- Published applications
- 8
- Assignees
- 10
- Inventors
- 21
- Latest grant
- 14 Jun 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Annealing and drawing device for oxygen-free copper tube used for mobile phone heat pipe with large diameter-wall thickness ratio14 Jun 2022US 11,358,196 B2Jiangxi Naile Copper Co., Ltd.
- Linear drawing machine and method for linear drawing of a workpiece through a drawing ring14 Jul 2015US 9,079,232 B2SMS Meer GmbH
- Linear drawing machine and method for linear drawing of a workpiece through a drawing ring14 Jan 2014US 8,627,703 B2SMS Meer GmbH
- Method and apparatus to control the lateral motion of a long metal bar being formed by a mechanical process such as rolling or drawing4 Jan 2011US 7,861,567 B2OG Technologies, Inc.
- Method and apparatus for drawing elongated stock continuously21 Oct 2003US 6,634,201 B2Nihon Shinkan Co., Ltd.
- Process and apparatus for producing a hollow cylinder for a medical application7 May 2026US 2026/0124051 A1BIOTRONIK SE & Co. KG
- Entry angle enlargement inhibiting device and method of manufacturing enameled wire18 Sep 2025US 2025/0292934 A1Proterial, Ltd.
- Annealing and drawing device for oxygen-free copper tube used for mobile phone heat pipe with large diameter-wall thickness ratio21 Jan 2021US 2021/0016335 A1Jiangxi Naile Copper Co., Ltd.
- Linear drawing machine and method for linear drawing of a workpiece through a drawing ring17 Oct 2013US 2013/0269406 A1SMS Meer GmbH
- Linear drawing machine and method for linear drawing of a workpiece through a drawing ring18 Mar 2010US 2010/0064750 A1SMS Meer GmbH
Most cited
By later US patents
- Method and apparatus for drawing elongated stock continuously3US 6,634,201 B2Nihon Shinkan Co., Ltd. · 2003
- Linear drawing machine and method for linear drawing of a workpiece through a drawing ring3US 8,627,703 B2SMS Meer GmbH · 2014
- Method for straight-line drawing of round material2US 4,805,434 ASchumag AG · 1989
- Method and apparatus for drawing tubes1US 4,096,726 AMarshall Richards Barcro Limited · 1978
- Method for drawing tubular material1US 4,998,429 AFurukawa Aluminum Co., Ltd. · 1991