B21B 27/032
Rolls for sheets or strips
Official title: {Rolls for sheets or strips}
B21B27/032 (Rolls for sheets or strips) appears on 29 US grants and 38 published applications in this corpus.
Search patents in B21B- Granted patents
- 29
- Published applications
- 38
- Assignees
- 21
- Inventors
- 73
- Latest grant
- 26 Nov 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 3 |
| 2010 | 0 | 2 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 1 | 3 |
| 2015 | 1 | 5 |
| 2016 | 3 | 4 |
| 2017 | 7 | 3 |
| 2018 | 3 | 2 |
| 2019 | 2 | 2 |
| 2020 | 0 | 1 |
| 2021 | 3 | 3 |
| 2022 | 3 | 3 |
| 2023 | 3 | 1 |
| 2024 | 2 | 2 |
| 2025 | 0 | 1 |
By publication year.
Recent patents
- Composite plate, composite plate roughening device, and method for manufacturing composite plate26 Nov 2024US 12,151,451 B2Jiangsu Kangrui New Material Technology Co., Ltd.
- Method for making a metal material composite10 Sep 2024US 12,083,567 B2Jiangsu Kangrui New Material Technology Co., Ltd.
- Centrifugally cast composite roll for hot rolling1 Aug 2023US 11,712,723 B2Proterial, Ltd.
- Centrifugally cast composite roll for rolling and method of manufacturing the same18 Apr 2023US 11,628,481 B2Nippon Steel Rolls Corporation
- Composite cemented carbide roll, and production method of composite cemented carbide roll28 Feb 2023US 11,590,545 B2Hitachi Metals, Ltd.
- Roller and rolling apparatus1 May 2025US 2025/0135516 A1Jiangsu Contemporary Amperex Technology Limited
- Method for optimising the roughness of a rolling mill roll by means of high-speed thermal spraying5 Dec 2024US 2024/0401182 A1Mecanizacion Industrial Astillero, S.A.
- Composite plate, composite plate roughening device, and method for manufacturing composite plate5 Sep 2024US 2024/0293997 A1Jiangsu Kangrui New Material Technology Co., Ltd.
- Method for making a metal material composite25 May 2023US 2023/0158558 A1Jiangsu Kangrui New Material Technology Co., Ltd.
- Centrifugally cast composite roll for hot rolling27 Oct 2022US 2022/0339685 A1Hitachi Metals, Ltd.
Most cited
By later US patents
- Centrifugally cast composite roll and its production method6US 9,044,807 B2Hitachi Metals, Ltd. · 2015
- Centrifugally cast hot-rolling composite roll5US 9,358,758 B2Hitachi Metals, Ltd. · 2016
- Centrifugally cast composite roll and its production method4US 9,724,740 B2Hitachi Metals, Ltd. · 2017
- Outer-layer material for hot-rolling roll, and hot-rolling composite roll3US 9,573,176 B2Jfe Steel Corporation · 2017
- Centrifugally cast composite roll for hot rolling and its production method3US 9,757,779 B2Hitachi Metals, Ltd. · 2017