B21B 37/38
Using roll bending
Official title: using roll bending (B21B37/42 takes precedence)
B21B37/38 (Using roll bending) appears on 71 US grants and 48 published applications in this corpus.
Search patents in B21B- Granted patents
- 71
- Published applications
- 48
- Assignees
- 58
- Inventors
- 202
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 2 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 2 |
| 2010 | 3 | 3 |
| 2011 | 1 | 2 |
| 2012 | 3 | 1 |
| 2013 | 2 | 1 |
| 2014 | 0 | 1 |
| 2015 | 2 | 1 |
| 2016 | 2 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 0 | 2 |
| 2020 | 1 | 1 |
| 2021 | 0 | 3 |
| 2022 | 2 | 1 |
| 2023 | 1 | 7 |
| 2024 | 5 | 8 |
| 2025 | 2 | 3 |
| 2026 | 7 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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
- Roll press machine23 Jun 2026US 12,661,700 B2Hitachi Power Solutions Co., Ltd.
- Roll press device and control device24 Mar 2026US 12,583,025 B2Panasonic Intellectual Property Management Co., Ltd.
- 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
- Cold rolling method, method of producing steel sheet, cold rolling line, and steel sheet production line16 Apr 2026US 2026/0102801 A1Jfe Steel Corporation
- Metal-strip warped-shape control method, metal-strip manufacturing method, and metal-strip warped-shape control device2 Apr 2026US 2026/0091420 A1Jfe Steel Corporation
- Device with adjustable offset distance in serpentine rolling for rolling mill and using method thereof8 Jan 2026US 2026/0008086 A1Taiyuan University of Science and Technology
- Electrode rolling device1 May 2025US 2025/0135517 A1Prime Planet Energy & Solutions, Inc.
Most cited
By later US patents
- Lamination process and apparatus for alkali metals or alloys thereof25US 7,513,136 B2Bathium Canada Inc. · 2009
- Process for automatically controlling the shape of sheet metal produced in a rolling mill22US 4,262,511 AReycan Research Limited · 1981
- Method of controlling a stand for rolling strip material16US 4,537,050 AThe British Aluminium Company Limited · 1985
- Universal roll crossing system16US 6,158,260 ADanieli Technology, Inc. · 2000
- Closed loop integrated gauge and crown control for rolling mills12US 4,054,043 ABlaw-Knox Foundry & Mill Machinery, Inc. · 1977