B21B 2267/18
Roll crown
Official title: Roll crown; roll profile
B21B2267/18 (Roll crown) appears on 34 US grants and 27 published applications in this corpus.
Search patents in B21B- Granted patents
- 34
- Published applications
- 27
- Assignees
- 29
- Inventors
- 105
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 2 |
| 2010 | 0 | 1 |
| 2011 | 2 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 2 | 1 |
| 2018 | 1 | 4 |
| 2019 | 1 | 1 |
| 2020 | 4 | 0 |
| 2021 | 1 | 2 |
| 2022 | 0 | 3 |
| 2023 | 0 | 2 |
| 2024 | 3 | 4 |
| 2025 | 4 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for preheating a working roll for rolling30 Jun 2026US 12,667,875 B2Constellium Issoire
- Skew rolling assembly and method suitable for large-size superalloy bars26 Aug 2025US 12,397,333 B2Anhui Hangon Precise Rolling Co. Ltd
- Electrode manufacturing device10 Jun 2025US 12,327,857 B2LG Energy Solution, Ltd.
- Changing the effective contour of a running surface of a working roll during hot rolling of rolling stock in a roll stand to form a rolled strip29 Apr 2025US 12,285,790 B2Primetals Technologies Germany GmbH
- Method and plant for producing flat rolled products7 Jan 2025US 12,186,789 B2Danieli & C. Officine Meccaniche SpA
- Apparatus and process for surface processing of cylindrical bodies, in particular rolling cylinders30 Jan 2025US 2025/0033101 A1Tenova S. P. A.
- Method for preheating a working roll for rolling29 Aug 2024US 2024/0286181 A1Constellium Issoire
- Skew Rolling Assembly and Method Suitable for Large-Size Superalloy Bars13 Jun 2024US 2024/0189879 A1Anhui Hangon Precise Rolling Co. Ltd
- Changing the effective contour of a running surface of a working roll during hot rolling of rolling stock in a roll stand to form a rolled strip30 May 2024US 2024/0173759 A1Primetals Technologies Germany GmbH
- Method and plant for producing flat rolled products22 Feb 2024US 2024/0058853 A1Danieli & C. Officine Meccaniche SpA
Most cited
By later US patents
- Operation of a multi-stand hot rolling mill18US 4,379,396 ADavy-Loewy Limited · 1983
- Isothermal sheet rolling mill18US 5,042,281 A1991
- Rolling method making use of work roll shift rolling mill14US 4,864,836 AHitachi, Ltd. · 1989
- Six high rolling mill13US 5,622,073 AKawasaki Steel Corporation · 1997
- Equipment for adjusting the shape of a running band-like or plate-like metal material in the width direction12US 5,193,066 AKabushiki Kaisha Kobe Seiko Sho · 1993