B21B 2027/022
Rolls having tapered ends
Official title: {Rolls having tapered ends}
B21B2027/022 (Rolls having tapered ends) appears on 36 US grants and 21 published applications in this corpus.
Search patents in B21B- Granted patents
- 36
- Published applications
- 21
- Assignees
- 30
- Inventors
- 88
- Latest grant
- 29 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 2 |
| 2003 | 0 | 2 |
| 2004 | 0 | 1 |
| 2005 | 1 | 3 |
| 2006 | 4 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 2 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 1 | 1 |
| 2013 | 1 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 1 |
| 2021 | 1 | 3 |
| 2022 | 1 | 1 |
| 2023 | 2 | 1 |
| 2024 | 2 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Changing the effective contour of a running surface of a working roll during hot rolling of rolling stock in a roll stand to form a rolled strip29 Apr 2025US 12,285,790 B2Primetals Technologies Germany GmbH
- Rolling mill and rolling method for metal plate1 Oct 2024US 12,103,060 B2Primetals Technologies Japan, Ltd.
- Changing the effective contour of a running surface of a working roll during hot rolling of rolling stock in a roll stand to form a rolled strip5 Mar 2024US 11,919,059 B2Primetals Technologies Germany GmbH
- Lamination lubricant dispensing unit for lubricating a working roller of a rolling mill for laminating a sheet of alkali metal or alloy thereof into a film26 Dec 2023US 11,850,643 B2Blue Solutions Canada Inc.
- Working roller for a rolling mill for laminating a sheet of alkali metal or alloy thereof into a film24 Oct 2023US 11,794,227 B2Blue Solutions Canada Inc.
- Changing the effective contour of a running surface of a working roll during hot rolling of rolling stock in a roll stand to form a rolled strip30 May 2024US 2024/0173759 A1Primetals Technologies Germany GmbH
- Rolling mill and rolling method for metal plate6 Apr 2023US 2023/0107171 A1Primetals Technologies Japan, Ltd.
- Changing the effective contour of a running surface of a working roll during hot rolling of rolling stock in a roll stand to form a rolled strip28 Apr 2022US 2022/0126337 A1Primetals Technologies Germany GmbH
- Working roller for a rolling mill for laminating a sheet of alkali metal or alloy thereof into a film20 May 2021US 2021/0146411 A1Blue Solutions Canada Inc.
- Lamination lubricant dispensing unit for lubricating a working roller of a rolling mill for laminating a sheet of alkali metal or alloy thereof into a film20 May 2021US 2021/0146416 A1Blue Solutions Canada Inc.
Most cited
By later US patents
- Rotary die cutting system and method for sheet material78US 5,388,490 A1995
- Rolling mill and method for rolling a sheet material25US 4,369,646 AHitachi, Ltd. · 1983
- 4-High rolling mill17US 5,174,144 AHitachi, Ltd. · 1992
- Inverse symmetrical variable crown roll and associated method15US 6,119,500 ADanieli Corporation · 2000
- Method for the static and dynamic control of the planarity of flat rolled products15US 6,338,262 B12002