B21B 37/28
Control of flatness or profile during rolling of strip, sheets or plates
B21B37/28 (Control of flatness or profile during rolling of strip, sheets or plates) appears on 399 US grants and 221 published applications in this corpus.
Search patents in B21B- Granted patents
- 399
- Published applications
- 221
- Assignees
- 166
- Inventors
- 862
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 6 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 6 | 0 |
| 1981 | 6 | 0 |
| 1982 | 4 | 0 |
| 1983 | 6 | 0 |
| 1984 | 9 | 0 |
| 1985 | 9 | 0 |
| 1986 | 9 | 0 |
| 1987 | 15 | 0 |
| 1988 | 12 | 0 |
| 1989 | 6 | 0 |
| 1990 | 8 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 9 | 0 |
| 1994 | 5 | 0 |
| 1995 | 5 | 0 |
| 1996 | 9 | 0 |
| 1997 | 12 | 0 |
| 1998 | 7 | 0 |
| 1999 | 24 | 0 |
| 2000 | 20 | 0 |
| 2001 | 18 | 5 |
| 2002 | 11 | 9 |
| 2003 | 6 | 7 |
| 2004 | 6 | 3 |
| 2005 | 2 | 7 |
| 2006 | 3 | 5 |
| 2007 | 7 | 11 |
| 2008 | 5 | 6 |
| 2009 | 5 | 12 |
| 2010 | 9 | 12 |
| 2011 | 4 | 10 |
| 2012 | 9 | 4 |
| 2013 | 9 | 6 |
| 2014 | 5 | 8 |
| 2015 | 10 | 7 |
| 2016 | 7 | 3 |
| 2017 | 4 | 5 |
| 2018 | 4 | 10 |
| 2019 | 3 | 9 |
| 2020 | 7 | 6 |
| 2021 | 4 | 11 |
| 2022 | 11 | 9 |
| 2023 | 10 | 14 |
| 2024 | 11 | 20 |
| 2025 | 4 | 7 |
| 2026 | 19 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Rolling with minimisation of a drop in the bending force upon entry21 Jul 2026US 12,686,043 B2Primetals Technologies Germany GmbH
- Electrode sheet manufacturing device21 Jul 2026US 12,689,020 B2Prime Planet Energy & Solutions, Inc.
- Plate crown control device14 Jul 2026US 12,678,846 B2TMEIC Corporation
- Method for preheating a working roll for rolling30 Jun 2026US 12,667,875 B2Constellium Issoire
- Electro-plastic shape control roller system based on transverse partitioning and independent control30 Jun 2026US 12,667,876 B2Taiyuan University of Technology
- Method and equipment for cooling on a reversing hot rolling mill3 Sep 2026US 2026/0257262 A1Constellium Muscle Shoals LLC
- Temperature control device and method for heating work rolls13 Aug 2026US 2026/0233275 A1Achenbach Buschhutten GmbH
- Device and method for producing a rolled metal strip18 Jun 2026US 2026/0166609 A1SMS group GmbH
- Method for cold rolling steel sheet, manufacturing method for cold-rolled steel sheet, and manufacturing facility for cold-rolled steel sheet18 Jun 2026US 2026/0166611 A1Jfe Steel Corporation
- Asymmetric steel formation device21 May 2026US 2026/0138174 A1Cherng Ji Industrial Co., Ltd.
Most cited
By later US patents
- Control device for controlling a controlled apparatus, and a control method therefor101US 5,430,642 AHitachi, Ltd. · 1995
- Arrangement containing a controlled deflection roll and related regulator48US 4,509,237 AEscher Wyss Limited · 1985
- Roll bite gauge and profile measurement system for rolling mills46US 4,898,012 AUnited Engineering, Inc. · 1990
- Method of adjusting the contact pressure of a rolling mill and apparatus for the performance thereof44US 4,074,624 AEscher Wyss Limited · 1978
- Method and apparatus for cooling rolling mill rolls and flat rolled products39US 5,212,975 AInternational Rolling Mill Consultants, Inc. · 1993