B21B 31/106
Vertical displacement of rolls or roll chocks during horizontal roll changing
Official title: {Vertical displacement of rolls or roll chocks during horizontal roll changing}
B21B31/106 (Vertical displacement of rolls or roll chocks during horizontal roll changing) appears on 28 US grants and 20 published applications in this corpus.
Search patents in B21B- Granted patents
- 28
- Published applications
- 20
- Assignees
- 20
- Inventors
- 64
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 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 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 1 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 2 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 2 | 2 |
| 2011 | 1 | 0 |
| 2012 | 1 | 2 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 2 |
| 2016 | 2 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 1 |
| 2019 | 0 | 2 |
| 2020 | 1 | 1 |
| 2021 | 2 | 0 |
| 2022 | 1 | 0 |
| 2023 | 1 | 1 |
| 2024 | 1 | 2 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Rolling mill stand and method of changing a work roll assembly thereof22 Sep 2026US 12,741,305 B2Primetals Technologies, Limited
- Tool and method for changing the working roll in a rolling mill3 Dec 2024US 12,157,155 B2Fives Dms
- Roll stand and method for changing work rolls31 Jan 2023US 11,565,292 B2SMS group GmbH
- Method for changing the rolls on a rolling mill14 Jun 2022US 11,358,193 B2Fives Dms
- Roll changing device16 Nov 2021US 11,173,528 B2Primetals Technologies Japan, Ltd.
- Rolling mill stand and method of changing a work roll assembly thereof26 Dec 2024US 2024/0424542 A1Primetals Technologies, Limited
- Roll-changing device for changing the working and/or intermediate rolls of a rolling mill stand17 Oct 2024US 2024/0342776 A1SMS group GmbH
- Tool and method for changing the working roll in a rolling mill20 Apr 2023US 2023/0119712 A1Fives Dms
- Roll changing device30 Jul 2020US 2020/0238351 A1Primetals Technologies Japan, Ltd.
- Method for changing the rolls on a rolling mill28 Mar 2019US 2019/0091744 A1Fives Dms
Most cited
By later US patents
- Working roll shift type rolling mill12US 4,770,021 AHitachi, Ltd. · 1988
- Window and roll chock arrangement for a rolling mill11US 5,090,228 ASMS Engineering, Inc. · 1992
- Four-high mill stand roll change device, a method of retrofit, and a roll change device therefrom11US 6,408,667 B1Bethlehem Steel Corporation · 2002
- Rolling mill frame, in particular a universal rolling mill frame7US 3,949,586 A1976
- Roll changing apparatus and roll changing method for rolling mill7US 6,763,565 B2Mitsubishi Heavy Industries, Ltd. · 2004