B21B 31/028
Prestressing of rolls or roll mountings in stand frames
Official title: {Prestressing of rolls or roll mountings in stand frames}
B21B31/028 (Prestressing of rolls or roll mountings in stand frames) appears on 15 US grants and 11 published applications in this corpus.
Search patents in B21B- Granted patents
- 15
- Published applications
- 11
- Assignees
- 17
- Inventors
- 39
- Latest grant
- 31 Oct 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 1 |
| 2022 | 0 | 1 |
| 2023 | 2 | 0 |
| 2024 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Mill stand31 Oct 2023US 11,801,540 B2Primetals Technologies Austria GmbH
- Rolling mill, and method for setting rolling mill28 Mar 2023US 11,612,921 B2Nippon Steel Corporation
- Cold-pilger rolling mill29 Jun 2021US 11,045,848 B2Sandvik Materials Technology Deutschland GmbH
- Rolling stand with skewed working rolls and a roll preloading device20 Dec 2016US 9,522,417 B2Danieli & C. Officine Meccaniche SpA
- Roll nip regulation device and method13 Oct 2015US 9,156,071 B2Saueressig GmbH + Co. KG
- Rolling mill equipped with a device for adjusting the inclination of the spray bar11 Jul 2024US 2024/0226979 A1Fives Dms
- Mill stand1 Dec 2022US 2022/0379359 A1Primetals Technologies Austria GmbH
- Rolling mill, and method for setting rolling mill18 Mar 2021US 2021/0078059 A1Nippon Steel Corporation
- Cold-pilger rolling mill21 Mar 2019US 2019/0084020 A1Sandvik Materials Technology Deutschland GmbH
- Rolling stand with non skewed working rolls with a roll preloading device1 Jan 2015US 2015/0000363 A1Danieli & C. Officine Meccaniche SpA
Most cited
By later US patents
- Roll-forming machine with adjustable compression21US 6,209,374 B1The Bradbury Company, Inc. · 2001
- Stand of cold tube-rolling mill12US 4,237,714 A1980
- Mill housings for cluster mills9US 5,596,899 AT. Sendzimir, Inc. · 1997
- Roll nip regulation device and method6US 9,156,071 B2Saueressig GmbH + Co. KG · 2015
- Elimination of rolling mill chatter4US 7,225,657 B2United States Steel Corporation · 2007