B21B 1/34
By hot-rolling
Official title: by hot-rolling
B21B1/34 (By hot-rolling) appears on 118 US grants and 38 published applications in this corpus.
Search patents in B21B- Granted patents
- 118
- Published applications
- 38
- Assignees
- 48
- Inventors
- 197
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 8 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 7 | 0 |
| 1996 | 11 | 0 |
| 1997 | 5 | 0 |
| 1998 | 13 | 0 |
| 1999 | 6 | 0 |
| 2000 | 8 | 0 |
| 2001 | 5 | 1 |
| 2002 | 3 | 3 |
| 2003 | 1 | 2 |
| 2004 | 1 | 3 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 4 |
| 2008 | 2 | 1 |
| 2009 | 1 | 2 |
| 2010 | 1 | 2 |
| 2011 | 1 | 2 |
| 2012 | 2 | 3 |
| 2013 | 2 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 1 | 1 |
| 2017 | 1 | 1 |
| 2018 | 1 | 1 |
| 2019 | 2 | 1 |
| 2020 | 2 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 1 | 4 |
| 2025 | 2 | 0 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and equipment for cooling on a reversing hot rolling mill26 May 2026US 12,636,691 B2Constellium Muscle Shoals LLC
- Method for revamping a plant for producing flat rolled products29 Jul 2025US 12,370,588 B2Danieli & C. Officine Meccaniche SpA
- Plant and method for producing flat rolled products24 Jun 2025US 12,337,365 B2Danieli & C. Officine Meccaniche SpA
- Method and equipment for cooling on a reversing hot rolling mill29 Oct 2024US 12,128,463 B2Constellium Muscle Shoals LLC
- Combined continuous casting and metal strip hot-rolling plant13 Jun 2023US 11,674,197 B2Danieli & C. Officine Meccaniche SpA
- Method and equipment for cooling on a reversing hot rolling mill3 Sep 2026US 2026/0257262 A1Constellium Muscle Shoals LLC
- Reversible roughing mill for an aluminum or aluminum alloy product and related process13 Aug 2026US 2026/0233276 A1Danieli & C. Officine Meccaniche SpA
- Method and equipment for cooling on a reversing hot rolling mill26 Dec 2024US 2024/0424541 A1Constellium Muscle Shoals LLC
- Plant and method for producing flat rolled products16 May 2024US 2024/0157416 A1Danieli & C. Officine Meccaniche SpA
- Method for revamping a plant for producing flat rolled products16 May 2024US 2024/0157417 A1Danieli & C. Officine Meccaniche SpA
Most cited
By later US patents
- Making hot roller steel strip from continuously cast ingots29US 4,698,897 AMannesmann Aktiengesellschaft · 1987
- Method of continuous casting and rolling strip28US 4,675,974 ATippins Machinery Company, Inc. · 1987
- Hot-rolling mill and process for producing sheet metal24US 4,580,428 AVoest-Alpine Aktiengesellschaft · 1986
- Hot steel plate rolling mill system and rolling method21US 5,636,543 AHitachi, Ltd. · 1997
- Line to produce strip and/or sheet20US 5,542,165 ADanieli & C. Officine Meccaniche SpA · 1996