B21B 2203/32
Roll changing stools
B21B2203/32 (Roll changing stools) appears on 5 US grants and 6 published applications in this corpus.
Search patents in B21B- Granted patents
- 5
- Published applications
- 6
- Assignees
- 6
- Inventors
- 17
- Latest grant
- 2 Aug 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 2 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Cross-rolling mill2 Aug 2022US 11,400,498 B2SMS group GmbH
- Method for changing the rolls on a rolling mill14 Jun 2022US 11,358,193 B2Fives Dms
- Device for handling and/or transporting rolls of a roll stand23 Jun 2015US 9,061,334 B2SMS Siemag Aktiengesellschaft
- Roll changing apparatus and roll changing method for rolling mill20 Jul 2004US 6,763,565 B2Mitsubishi Heavy Industries, Ltd.
- Roll changing device for rolling mill13 Mar 1984US 4,435,970 AHitachi, Ltd.
- Method and device for providing inserts for support and/or work rolls of a roll stand18 Sep 2025US 2025/0289044 A1SMS group GmbH
- Demounting A High Pressure Grinding Roller27 Feb 2025US 2025/0065338 A1Weir Minerals Netherlands B.V.
- Cross-rolling mill18 Jun 2020US 2020/0188973 A1SMS group GmbH
- Method for changing the rolls on a rolling mill28 Mar 2019US 2019/0091744 A1Fives Dms
- Device for handling and/or transporting rolls of a roll stand12 Jul 2012US 2012/0174817 A1SMS Siemag Aktiengesellschaft
Most cited
By later US patents
- Roll changing device for rolling mill17US 4,435,970 AHitachi, Ltd. · 1984
- Roll changing apparatus and roll changing method for rolling mill7US 6,763,565 B2Mitsubishi Heavy Industries, Ltd. · 2004
- Device for handling and/or transporting rolls of a roll stand2US 9,061,334 B2SMS Siemag Aktiengesellschaft · 2015