B21B 27/025
Skew rolls
Official title: {Skew rolls}
B21B27/025 (Skew rolls) appears on 6 US grants and 8 published applications in this corpus.
Search patents in B21B- Granted patents
- 6
- Published applications
- 8
- Assignees
- 6
- Inventors
- 25
- Latest grant
- 8 Oct 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2008 | 0 | 1 |
| 2009 | 2 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 1 |
| 2024 | 2 | 0 |
By publication year.
Recent patents
- Corrugated skew rolling preparation method of magnesium alloy bar with gradient structure8 Oct 2024US 12,109,598 B1Taiyuan University of Technology
- Method for producing seamless metal tube20 Aug 2024US 12,064,798 B2Nippon Steel Corporation
- Method for preparing ultrafine-grained superalloy bar23 Aug 2022US 11,420,241 B2Northwestern Polytechnical University
- Method for producing seamless metal pipe19 Mar 2019US 10,232,418 B2Nippon Steel & Sumitomo Metal Corporation
- Piercing-rolling method and piercing-rolling apparatus for seamless tubes25 Aug 2009US 7,578,157 B2Sumitomo Metal Industries, Ltd.
- Method for producing seamless metal tube23 Feb 2023US 2023/0054014 A1Nippon Steel Corporation
- Method for preparing ultrafine-grained superalloy bar3 Sep 2020US 2020/0276624 A1Northwestern Polytechnical University
- Wire outlet nozzle arrangement11 Jul 2019US 2019/0214893 A1Aumann Espelkamp GmbH
- Method for producing seamless metal pipe5 Jan 2017US 2017/0001225 A1Nippon Steel & Sumitomo Metal Corporation
- Method for Producing Seamless Pipe3 Feb 2011US 2011/0023569 A1Sumitomo Metal Industries, Ltd.
Most cited
By later US patents
- Process for manufacturing a seamless tube3US 7,536,888 B2Sumitomo Metal Industries, Ltd. · 2009
- Method for producing seamless metal pipe1US 10,232,418 B2Nippon Steel & Sumitomo Metal Corporation · 2019
- Corrugated skew rolling preparation method of magnesium alloy bar with gradient structure1US 12,109,598 B1Taiyuan University of Technology · 2024