B21B 27/028
Variable-width rolls
Official title: {Variable-width rolls}
B21B27/028 (Variable-width rolls) appears on 25 US grants and 6 published applications in this corpus.
Search patents in B21B- Granted patents
- 25
- Published applications
- 6
- Assignees
- 18
- Inventors
- 88
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
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| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 1 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electro-plastic shape control roller system based on transverse partitioning and independent control30 Jun 2026US 12,667,876 B2Taiyuan University of Technology
- Shimless spacer14 May 2019US 10,286,433 B2Steel King Industries, Inc.
- Method for manufacturing shaped steel the cross-sectional shape of which changes in the longitudinal direction, and roll forming device27 Sep 2016US 9,452,459 B2Nippon Steel & Sumitomo Metal Corporation
- Multifunction rolling mill for H-beam and rolling method of rolling H-beam with multifunction rolling mill27 Nov 2001US 6,321,583 B1Nippon Steel Corporation
- Large unit weight hot rolling process and rolling apparatus therefor5 Jun 2001US 6,240,617 B1Kawasaki Steel Corporation
- Electro-plastic Shape Control Roller System Based on Transverse Partitioning and Independent Control9 Apr 2026US 2026/0097426 A1Taiyuan University of Technology
- Asymmetrical rolling device13 Nov 2025US 2025/0345835 A1Solum Advanced Materials Co., Ltd.
- Variable thickness roll-formed blank and roll-forming system and method3 Jan 2019US 2019/0001382 A1
- Shaped roller for a profiling line11 Oct 2018US 2018/0290192 A1Fives Oto S.P.A.
- Shimless spacer31 Aug 2017US 2017/0246668 A1Steel King Industries, Inc.
Most cited
By later US patents
- Adjustable width rolls for rolling mill14US 5,031,435 AKawasaki Steel Corporation · 1991
- Rolling roller and rolling mill10US 5,327,762 AKawasaki Jukogyo Kabushiki Kaisha · 1994
- Roll with width adjusting function8US 5,154,074 ASumitomo Metal Industries, Ltd. · 1992
- Roller width adjusting device for a divided type molding roller8US 5,599,264 AKawasaki Steel Corporation · 1997
- Large unit weight hot rolling process and rolling apparatus therefor6US 6,240,617 B1Kawasaki Steel Corporation · 2001