B21B 28/04
While in use
Official title: while in use, e.g. polishing {or grinding while the rolls are in their stands}
B21B28/04 (While in use) appears on 96 US grants and 39 published applications in this corpus.
Search patents in B21B- Granted patents
- 96
- Published applications
- 39
- Assignees
- 62
- Inventors
- 229
- Latest grant
- 2 Apr 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 7 | 0 |
| 1998 | 4 | 0 |
| 1999 | 6 | 0 |
| 2000 | 4 | 0 |
| 2001 | 9 | 2 |
| 2002 | 3 | 5 |
| 2003 | 3 | 0 |
| 2004 | 1 | 2 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 3 |
| 2008 | 1 | 2 |
| 2009 | 0 | 1 |
| 2010 | 1 | 3 |
| 2011 | 3 | 0 |
| 2012 | 2 | 0 |
| 2013 | 0 | 3 |
| 2014 | 1 | 4 |
| 2015 | 0 | 1 |
| 2016 | 4 | 4 |
| 2017 | 0 | 3 |
| 2018 | 2 | 3 |
| 2019 | 5 | 1 |
| 2020 | 4 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Roller cleaning method and roller cleaning machine2 Apr 2024US 11,945,008 B2Hydro Aluminum Rolled Products GmbH
- Systems and methods for cooling a roll in metal processing27 Oct 2020US 10,814,365 B2Novelis Inc.
- Measuring thermal expansion and the thermal crown of rolls13 Oct 2020US 10,799,926 B2Novelis Inc.
- Strip profile control method of hot finishing tandem rolling mill and hot finishing tandem rolling mill5 May 2020US 10,639,688 B2Primetals Technologies Japan, Ltd.
- System and method for inspection of roll surface11 Feb 2020US 10,556,261 B2Arconic Inc.
- Apparatuses and methods for spot polishing a metal sheet or plate leveler18 Jul 2024US 2024/0238855 A1SSAB Enterprises, LLC
- Roller cleaning method and roller cleaning machine14 Jan 2021US 2021/0008605 A1Hydro Aluminium Rolled Products GmbH
- Systems and methods for cooling a roll in metal processing19 Dec 2019US 2019/0381546 A1Novelis Inc.
- Measuring thermal expansion and the thermal crown of rolls4 Oct 2018US 2018/0281039 A1Novelis Inc.
- Portable hand pump for evacuation of fluids13 Sep 2018US 2018/0256789 A1The Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc.
Most cited
By later US patents
- Rolling mill equipped with on-line roll grinding system and grinding wheel101US 6,306,007 B1Hitachi, Ltd. · 2001
- Grinding wheel for roll grinding and method of roll grinding98US 8,070,556 B2Diamond Innovations, Inc. · 2011
- 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
- Low profile roll cleaning apparatus and self aligning bearing used therein27US 4,887,329 A1989