B21C 1/32
Feeding or discharging the material or mandrels
B21C1/32 (Feeding or discharging the material or mandrels) appears on 14 US grants and 11 published applications in this corpus.
Search patents in B21C- Granted patents
- 14
- Published applications
- 11
- Assignees
- 16
- Inventors
- 43
- Latest grant
- 14 Jun 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 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 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 1 |
| 2003 | 2 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 2 |
| 2022 | 2 | 0 |
By publication year. Applications have been published since 2001.
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.
- Wire drawing process of light storage wire26 Apr 2022US 11,311,922 B2Winn Applied Material Inc.
- Preparing a tube end for rod drawing5 May 2020US 10,639,690 B2SMS group GmbH
- Point forming processes28 May 2019US 10,300,515 B2The National Machinery Company
- Point forming processes26 Aug 2014US 8,813,533 B2The National Machinery Company
- Wire drawing process of light storage wire19 Aug 2021US 2021/0252573 A1Winn Applied Material Inc.
- 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.
- Preparing a tube end for rod drawing25 Jan 2018US 2018/0021826 A1SMS group GmbH
- Method For Producing Different Wall Thicknesses Of A Container Tube3 Dec 2015US 2015/0343506 A1SchmitterGroup AG
- Point forming processes27 Nov 2014US 2014/0345355 A1The National Machinery Company
Most cited
By later US patents
- Manufacture of metal tubes15US 6,799,357 B2Memry Corporation · 2004
- Process for preparing the end of a pipe for drawing over a mandrel5US 6,523,385 B2SMS Demag AG · 2003
- Unloading apparatus4US 4,313,329 AAbbey Etna Machine Company · 1982
- Process and device for threading elongated metal workpieces, especially tubes, into a drawing apparatus3US 5,855,136 AMannesmann Aktiengesellschaft · 1999
- Method and apparatus for drawing elongated stock continuously3US 6,634,201 B2Nihon Shinkan Co., Ltd. · 2003