B21B 27/06
Lubricating, cooling or heating rolls
B21B27/06 (Lubricating, cooling or heating rolls) appears on 331 US grants and 231 published applications in this corpus.
Search patents in B21B- Granted patents
- 331
- Published applications
- 231
- Assignees
- 183
- Inventors
- 781
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 4 | 0 |
| 1978 | 0 | 0 |
| 1979 | 6 | 0 |
| 1980 | 4 | 0 |
| 1981 | 5 | 0 |
| 1982 | 0 | 0 |
| 1983 | 6 | 0 |
| 1984 | 1 | 0 |
| 1985 | 6 | 0 |
| 1986 | 5 | 0 |
| 1987 | 10 | 0 |
| 1988 | 5 | 0 |
| 1989 | 2 | 0 |
| 1990 | 9 | 0 |
| 1991 | 7 | 0 |
| 1992 | 4 | 0 |
| 1993 | 9 | 0 |
| 1994 | 6 | 0 |
| 1995 | 11 | 0 |
| 1996 | 9 | 0 |
| 1997 | 10 | 0 |
| 1998 | 6 | 0 |
| 1999 | 10 | 0 |
| 2000 | 13 | 0 |
| 2001 | 9 | 3 |
| 2002 | 6 | 7 |
| 2003 | 4 | 3 |
| 2004 | 0 | 11 |
| 2005 | 5 | 8 |
| 2006 | 5 | 5 |
| 2007 | 9 | 9 |
| 2008 | 3 | 9 |
| 2009 | 2 | 9 |
| 2010 | 4 | 8 |
| 2011 | 8 | 15 |
| 2012 | 8 | 5 |
| 2013 | 9 | 4 |
| 2014 | 4 | 15 |
| 2015 | 8 | 20 |
| 2016 | 12 | 8 |
| 2017 | 10 | 8 |
| 2018 | 5 | 6 |
| 2019 | 6 | 11 |
| 2020 | 7 | 16 |
| 2021 | 8 | 13 |
| 2022 | 11 | 10 |
| 2023 | 18 | 9 |
| 2024 | 9 | 5 |
| 2025 | 5 | 10 |
| 2026 | 3 | 4 |
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
- Process for forming wrought structures using cold spray30 Dec 2025US 12,509,776 B2Commonwealth Scientific and Industrial Research Organisation
- Reduction of surface defects during finish rolling of hot strip14 Oct 2025US 12,440,878 B2Primetals Technologies Austria GmbH
- 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
- Pre-calendering system for reducing strain imbalances in multilane electrodes7 May 2026US 2026/0124655 A1Tesla, Inc.
- Roller Having Heating Device, Printing Unit, Embossing Unit, and/or Rolling Mill Having Such a Roller and Method for Converting a Heating Device of a Roller22 Jan 2026US 2026/0021523 A1
- Cold rolling equipment, steel plate manufacturing equipment, cold rolling method, and steel plate manufacturing method11 Dec 2025US 2025/0375803 A1Jfe Steel Corporation
Most cited
By later US patents
- Isothermal metal forming apparatus89US 3,988,913 AInternational Harvester Company · 1976
- Sheet forming of metallic glass by rapid capacitor discharge46US 8,613,815 B2California Institute of Technology · 2013
- Ring rolling methods and apparatus39US 4,150,279 AInternational Harvester Company · 1979
- 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