B21C 1/14
Drums
Official title: Drums, e.g. capstans; Connection of grippers thereto; Grippers specially adapted for drawing machines or apparatus of the drum type; Couplings specially adapted for these drums
B21C1/14 (Drums) appears on 35 US grants and 6 published applications in this corpus.
Search patents in B21C- Granted patents
- 35
- Published applications
- 6
- Assignees
- 23
- Inventors
- 55
- Latest grant
- 9 May 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 6 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Drawing machine and drawing method9 May 2023US 11,642,711 B2FAE Inc.
- Wire drawing process of light storage wire26 Apr 2022US 11,311,922 B2Winn Applied Material Inc.
- Method for producing metal wire9 Dec 2014US 8,904,842 B2Bridgestone Corporation
- System for manufacturing wire5 Nov 2013US 8,573,018 B2Essex Group, Inc.
- Automatic set-up wire drawer29 Aug 2000US 6,109,082 ARockford Manufacturing Group, Inc.
- Wire drawing process of light storage wire19 Aug 2021US 2021/0252573 A1Winn Applied Material Inc.
- Drawing machine and drawing method27 Feb 2020US 2020/0061688 A1FAE Inc.
- Wire drawing machine and wire drawing method2 Jul 2015US 2015/0183013 A1FAE Inc.
- Method for producing metal wire29 Mar 2012US 2012/0073346 A1Bridgestone Corporation
- System for Manufacturing Wire21 Jul 2011US 2011/0174041 A1Essex Group, Inc.
Most cited
By later US patents
- In-line wire drawing machine9US 4,099,403 ARockford Manufacturing Group, Inc. · 1978
- Wire gripping devices9US 4,250,734 ABartin Limited · 1981
- Carding engine8US 4,499,632 A1985
- Wire drawing method and apparatus6US 4,464,922 AMarshall Richards Barcro Limited · 1984
- Wire drawing method and apparatus5US 4,345,451 AMarshall Richards Barcro Limited · 1982