B21B 27/10
Externally
Official title: externally
B21B27/10 (Externally) appears on 243 US grants and 180 published applications in this corpus.
Search patents in B21B- Granted patents
- 243
- Published applications
- 180
- Assignees
- 134
- Inventors
- 560
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 5 | 0 |
| 1982 | 0 | 0 |
| 1983 | 6 | 0 |
| 1984 | 1 | 0 |
| 1985 | 5 | 0 |
| 1986 | 3 | 0 |
| 1987 | 10 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 7 | 0 |
| 1991 | 5 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 7 | 0 |
| 1996 | 5 | 0 |
| 1997 | 7 | 0 |
| 1998 | 5 | 0 |
| 1999 | 4 | 0 |
| 2000 | 7 | 0 |
| 2001 | 7 | 3 |
| 2002 | 6 | 5 |
| 2003 | 3 | 2 |
| 2004 | 0 | 6 |
| 2005 | 2 | 2 |
| 2006 | 3 | 3 |
| 2007 | 8 | 9 |
| 2008 | 2 | 7 |
| 2009 | 1 | 8 |
| 2010 | 4 | 6 |
| 2011 | 6 | 12 |
| 2012 | 7 | 3 |
| 2013 | 7 | 4 |
| 2014 | 4 | 10 |
| 2015 | 6 | 15 |
| 2016 | 8 | 6 |
| 2017 | 7 | 6 |
| 2018 | 3 | 4 |
| 2019 | 6 | 11 |
| 2020 | 5 | 13 |
| 2021 | 7 | 12 |
| 2022 | 10 | 9 |
| 2023 | 18 | 9 |
| 2024 | 8 | 5 |
| 2025 | 3 | 8 |
| 2026 | 3 | 2 |
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
- Cold rolling facility, cold rolling method, and manufacturing method of metal plate17 Mar 2026US 12,576,437 B2Jfe Steel Corporation
- Modular spray bar system for selectively cooling and/or lubricating rolls13 Jan 2026US 12,521,778 B2SMS group GmbH
- Reduction of surface defects during finish rolling of hot strip14 Oct 2025US 12,440,878 B2Primetals Technologies Austria GmbH
- Bending device, production facility for steel sheet pile, bending method, and production method for steel sheet pile24 Jun 2025US 12,337,364 B2Nippon Steel Corporation
- Eight-high rolling mill, tandem rolling mill, and modification method for rolling mill10 Sep 2026US 2026/0264126 A1Sendzimir Japan, Ltd.
- Temperature control device and method for heating work rolls13 Aug 2026US 2026/0233275 A1Achenbach Buschhutten GmbH
- Cold rolling equipment, steel plate manufacturing equipment, cold rolling method, and steel plate manufacturing method11 Dec 2025US 2025/0375803 A1Jfe Steel Corporation
- Device and method for cooling rolls used for rolling in a highly turbulent environment11 Dec 2025US 2025/0375804 A1
- Modular stand base for stands of a rolling mill20 Nov 2025US 2025/0353057 A1
Most cited
By later US patents
- Method and apparatus for cooling rolling mill rolls and flat rolled products39US 5,212,975 AInternational Rolling Mill Consultants, Inc. · 1993
- Hot strip rolling plant and method directly combined with continuous casting36US 5,634,257 AHitachi, Ltd. · 1997
- Modular zoned digital coolant control system for strip mill rolls34US 4,247,047 A1981
- Nip control method and apparatus32US 4,384,514 AConsolidated-Bathurst Limited · 1983
- Method of flattening metal strip27US 6,327,883 B1BWG Bergwerk- und Walzwerk-Maschinenbau GmbH · 2001