B21B 37/58
Roll-force control
Official title: Roll-force control; Roll-gap control {(B21B38/105 takes precedence)}
B21B37/58 (Roll-force control) appears on 233 US grants and 169 published applications in this corpus.
Search patents in B21B- Granted patents
- 233
- Published applications
- 169
- Assignees
- 120
- Inventors
- 593
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 7 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 6 | 0 |
| 1985 | 4 | 0 |
| 1986 | 5 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 6 | 0 |
| 1992 | 6 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 6 | 0 |
| 2001 | 8 | 1 |
| 2002 | 5 | 2 |
| 2003 | 4 | 2 |
| 2004 | 1 | 3 |
| 2005 | 2 | 1 |
| 2006 | 1 | 2 |
| 2007 | 3 | 4 |
| 2008 | 2 | 2 |
| 2009 | 0 | 8 |
| 2010 | 3 | 6 |
| 2011 | 1 | 6 |
| 2012 | 6 | 3 |
| 2013 | 6 | 5 |
| 2014 | 3 | 9 |
| 2015 | 5 | 10 |
| 2016 | 3 | 2 |
| 2017 | 9 | 6 |
| 2018 | 5 | 8 |
| 2019 | 4 | 11 |
| 2020 | 7 | 3 |
| 2021 | 8 | 16 |
| 2022 | 10 | 18 |
| 2023 | 14 | 17 |
| 2024 | 14 | 10 |
| 2025 | 14 | 5 |
| 2026 | 8 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Manufacturing method for tinplate6 Oct 2026US 12,752,324 B2Institute of Research of Iron and Steel, Jiangsu Province/Sha-Steel, Co. Ltd (Cn)
- Electrode sheet manufacturing device21 Jul 2026US 12,689,020 B2Prime Planet Energy & Solutions, Inc.
- Determination method for determination of the rolling or guiding gaps of the roll stands or guide stands in a multi-stand rolling mill30 Jun 2026US 12,667,879 B2SMS group GmbH
- Dynamic roll eccentricity identification using extended Kalman filter state estimation and control upgrade for cold rolling mills2 Jun 2026US 12,643,136 B2Honeywell International Inc.
- Thickness controlling method and rigidity monitoring method for rolling mill5 May 2026US 12,617,008 B2TMEIC Corporation
- Method and apparatus for determining rolling force in flat roller rolling process of corrugated composite plate8 Oct 2026US 2026/0307125 A1Taiyuan University of Technology
- Electrode Rolling Apparatus and Control Method Thereof9 Jul 2026US 2026/0192347 A1SK On Co., Ltd.
- Determining the lateral offset of a metal strip on the basis of the contour of an end face of a coil2 Jul 2026US 2026/0183818 A1Primetals Technologies Germany GmbH
- Cold rolling method, method of producing steel sheet, cold rolling line, and steel sheet production line16 Apr 2026US 2026/0102801 A1Jfe Steel Corporation
- Rolling apparatus for manufacturing electrode and method of operating the rolling apparatus16 Apr 2026US 2026/0102802 A1Samsung SDI.Co., Ltd.
Most cited
By later US patents
- Method and apparatus for eccentricity correction in a rolling mill483US 4,126,027 AWestinghouse Electric Corp. · 1978
- Method and apparatus for the detection and correction of roll eccentricity in rolling mills27US 4,910,985 AAlcan International Limited · 1990
- Rolling mill strip thickness controller21US 4,691,547 AJohn Lysaght (Australia) Limited · 1987
- Method and system for generating an eccentricity compensation signal for gauge control of position control of a rolling mill19US 4,580,224 AE. W. Bliss Company, Inc. · 1986
- Direct-operated servo valve, fluid pressure servo mechanism and control method for the direct-operated servo valve17US 5,040,569 AHitachi, Ltd. · 1991