B21B 37/64
Mill spring or roll spring compensation systems
Official title: Mill spring or roll spring compensation systems, e.g. control of prestressed mill stands
B21B37/64 (Mill spring or roll spring compensation systems) appears on 30 US grants and 9 published applications in this corpus.
Search patents in B21B- Granted patents
- 30
- Published applications
- 9
- Assignees
- 25
- Inventors
- 62
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 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 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 1 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 2 |
| 2015 | 2 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Thickness controlling method and rigidity monitoring method for rolling mill5 May 2026US 12,617,008 B2TMEIC Corporation
- Device and method for rolling a metal strip18 Nov 2025US 12,472,545 B2SMS group GmbH
- Post-forming method and apparatus30 May 2017US 9,662,694 B2
- Roll nip regulation device and method13 Oct 2015US 9,156,071 B2Saueressig GmbH + Co. KG
- Method for calibrating two interacting working rollers in a rolling stand27 Jan 2015US 8,939,009 B2SMS Siemag Aktiengesellschaft
- Thickness controlling method and rigidity monitoring method for rolling mill24 Apr 2025US 2025/0128305 A1Toshiba Mitsubishi-Electric Industrial Systems Corporation
- Device and method for rolling a metal strip9 Nov 2023US 2023/0356278 A1SMS group GmbH
- Post-forming method and apparatus8 May 2014US 2014/0124721 A1
- Roll arrangement having a device for regulating the roll nip, and method for regulating the roll nip in a roll arrangement24 Apr 2014US 2014/0109642 A1Saueressig GmbH + Co. KG
- Method of controlling operation of tandem rolling mill and method of manufacturing hot-rolled steel sheet using the same24 Jan 2013US 2013/0019646 A1Mitsubishi-Hitachi Metals Machinery, Inc.
Most cited
By later US patents
- Thickness control system for rolling mill16US 5,142,891 AIshikawajima-Harima Jukogyo Kabushiki Kaisha · 1992
- Rolling mill stand13US 4,127,997 ASecim · 1978
- Method to eliminate the play between chocks and relative support blocks in four-high rolling stands and relative device10US 6,354,128 B1Danieli & C. Officine Meccaniche SpA · 2002
- Rolling mill7US 4,576,027 AMitsubishi Denki Kabushiki Kaisha · 1986
- Rolling method for rod-shaped rolling stock, Particularly rod steel or wire6US 6,112,566 ASMS Schloemann-Siemag Aktiengesellschaft · 2000