B21B 37/48
Tension control
Official title: Tension control; Compression control
B21B37/48 (Tension control) appears on 179 US grants and 98 published applications in this corpus.
Search patents in B21B- Granted patents
- 179
- Published applications
- 98
- Assignees
- 105
- Inventors
- 310
- Latest grant
- 4 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 3 | 0 |
| 1978 | 5 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 5 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 5 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 5 | 0 |
| 1991 | 5 | 0 |
| 1992 | 5 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 6 | 0 |
| 1998 | 9 | 0 |
| 1999 | 3 | 0 |
| 2000 | 6 | 0 |
| 2001 | 12 | 2 |
| 2002 | 6 | 4 |
| 2003 | 5 | 3 |
| 2004 | 3 | 12 |
| 2005 | 3 | 4 |
| 2006 | 5 | 2 |
| 2007 | 2 | 2 |
| 2008 | 1 | 7 |
| 2009 | 2 | 3 |
| 2010 | 2 | 5 |
| 2011 | 2 | 1 |
| 2012 | 1 | 2 |
| 2013 | 5 | 5 |
| 2014 | 2 | 2 |
| 2015 | 2 | 4 |
| 2016 | 3 | 2 |
| 2017 | 5 | 2 |
| 2018 | 0 | 4 |
| 2019 | 5 | 4 |
| 2020 | 3 | 5 |
| 2021 | 3 | 5 |
| 2022 | 5 | 6 |
| 2023 | 3 | 5 |
| 2024 | 7 | 2 |
| 2025 | 4 | 2 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Rolling taking frequency behavior into account4 Nov 2025US 12,459,019 B2Primetals Technologies Germany GmbH
- Rolling control device, rolling control method, and program21 Oct 2025US 12,447,517 B2Nippon Steel Corporation
- Cold rolling method and method for producing cold-rolled steel sheet27 May 2025US 12,311,421 B2Jfe Steel Corporation
- Method and apparatus to control and adjust the drawing action in a rolling mill, and corresponding rolling mill4 Mar 2025US 12,240,024 B2Danieli Automation S.P.A.
- Control device for rolling mill apparatus, rolling mill facility, and operation method for rolling mill apparatus31 Dec 2024US 12,179,244 B2Primetals Technologies Japan, Ltd.
- Tension control apparatus18 Jun 2026US 2026/0166608 A1Toshiba Mitsubishi-Electric Industrial Systems Corporation
- 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
- Method of controlling hot finish rolling, method of controlling steel sheet, and device for controlling hot finish rolling12 Feb 2026US 2026/0042133 A1Jfe Steel Corporation
- Lithium rolling apparatus and lithium rolling method using same14 Aug 2025US 2025/0256314 A1Solum Advanced Materials Co., Ltd.
- Method for producing an aluminum strip and casting-rolling system for producing an aluminum strip17 Apr 2025US 2025/0121429 A1SMS group GmbH
Most cited
By later US patents
- Time and work tracker for wireless devices177US 6,581,025 B2Discovision Associates · 2003
- Time and activity tracker52US 6,622,116 B2Research Investment Network, Inc. · 2003
- Time and work tracker with hardware abstraction layer43US 6,185,514 B2Ricos International, Inc. · 2001
- Lamination process and apparatus for alkali metals or alloys thereof25US 7,513,136 B2Bathium Canada Inc. · 2009
- Method for controlling plate material hot rolling equipment24US 5,113,678 AHitachi, Ltd. · 1992