B21B 2263/04
Flatness
B21B2263/04 (Flatness) appears on 31 US grants and 37 published applications in this corpus.
Search patents in B21B- Granted patents
- 31
- Published applications
- 37
- Assignees
- 31
- Inventors
- 116
- Latest grant
- 27 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 2 |
| 2008 | 1 | 0 |
| 2009 | 1 | 2 |
| 2010 | 1 | 2 |
| 2011 | 1 | 2 |
| 2012 | 1 | 2 |
| 2013 | 1 | 2 |
| 2014 | 1 | 1 |
| 2015 | 3 | 2 |
| 2016 | 2 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 3 |
| 2019 | 2 | 2 |
| 2020 | 0 | 2 |
| 2021 | 2 | 3 |
| 2022 | 3 | 3 |
| 2023 | 2 | 2 |
| 2024 | 2 | 2 |
| 2025 | 1 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method of cooling control for steel plate, cooling control device, and method of manufacturing steel plate27 Jan 2026US 12,534,775 B2Jfe Steel Corporation
- Nip roller, pole piece flattening equipment and pole piece production system16 Sep 2025US 12,415,215 B2Contemporary Amperex Technology (Hong Kong) Limited
- Method for rolling steel sheet and method for manufacturing steel sheet17 Sep 2024US 12,090,533 B2Jfe Steel Corporation
- Preventing undulations when rolling metal strips2 Jan 2024US 11,858,021 B2Primetals Technologies Austria GmbH
- Hydraulically controlled backing roller14 Nov 2023US 11,813,652 B2Taiyuan University of Technology
- Device and method for producing a rolled metal strip18 Jun 2026US 2026/0166609 A1SMS group GmbH
- System and method for controlling threading in a rolling mill3 Apr 2025US 2025/0108421 A1Novelis Inc.
- Model Based Multi-Variable Predictive Control for Metal Rolling Mills19 Dec 2024US 2024/0416403 A1Honeywell International Inc.
- Method for producing a rolled product with a box profile4 Jul 2024US 2024/0216970 A1Primetals Technologies Germany GmbH
- Nip roller, pole piece flattening equipment and pole piece production system17 Aug 2023US 2023/0256488 A1Contemporary Amperex Technology Co., Limited
Most cited
By later US patents
- Method of controlling a shape of a rolled sheet material22US 4,726,213 AHitachi, Ltd. · 1988
- Method for making hot-rolled steel sheet and apparatus therefor10US 5,927,118 ANKK Corporation · 1999
- Optimum strip tension control system for rolling mills9US 5,809,817 ADanieli United, A Division of Danieli Corporation · 1998
- Methods and apparatus for monitoring and conditioning strip material9US 7,185,519 B2The Bradbury Company, Inc. · 2007
- Process and apparatus for the continuous production of a thin metal strip9US 7,963,136 B2Siemens Vai Metals Technologies GmbH · 2011