B21B 47/04
Auxiliary arrangements, devices or methods in connection with rolling of multi-layer sheets
Official title: for separating layers after rolling
B21B47/04 (Auxiliary arrangements, devices or methods in connection with rolling of multi-layer sheets) appears on 8 US grants and 4 published applications in this corpus.
Search patents in B21B- Granted patents
- 8
- Published applications
- 4
- Assignees
- 5
- Inventors
- 16
- Latest grant
- 29 Dec 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 2 |
| 2020 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Process for rolling aluminium foils and aluminium foils obtained by said process29 Dec 2020US 10,875,063 B2Guasta, Fabrizio
- Aluminum foil rolling process30 Jun 2020US 10,695,808 B2
- Method for separating cropped layers from plated strips by roll bonding3 Jul 2012US 8,210,421 B2Constellium France
- Method for the production of a strip comprising a staggered profile that runs in the longitudinal direction thereof13 Apr 2010US 7,694,870 B2
- Aluminium sheet with rough surface25 Feb 2003US 6,524,768 B1Alcan International Limited
- Process for rolling aluminium foils and aluminium foils obtained by said process28 Mar 2019US 2019/0091743 A1
- Aluminum foil rolling process17 Jan 2019US 2019/0015881 A1
- Method for separating cropped layers from plated strips by roll bonding8 Feb 2007US 2007/0031695 A1Constellium France
- Method for the production of a strip comprising a staggered profile that runs in the longitudinal direction thereof24 Aug 2006US 2006/0186178 A1
Most cited
By later US patents
- Method for making band plates deformed in section7US 5,115,660 ANisshin Steel Co., Ltd. · 1992
- Aluminium sheet with rough surface6US 5,998,044 AAlcan International Limited · 1999
- Method of using profiles, and producing metal sheets with stepped cross-sections and different wall thicknesses6US 6,070,448 ADaimlerChrysler AG · 2000
- Aluminium sheet with rough surface2US 6,524,768 B1Alcan International Limited · 2003
- Method for the production of a strip comprising a staggered profile that runs in the longitudinal direction thereof1US 7,694,870 B22010