B21B 1/0886
Using variable-width rolls
Official title: {using variable-width rolls}
B21B1/0886 (Using variable-width rolls) appears on 14 US grants and 3 published applications in this corpus.
Search patents in B21B- Granted patents
- 14
- Published applications
- 3
- Assignees
- 6
- Inventors
- 39
- Latest grant
- 4 Aug 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for producing H-shaped steel and H-shaped steel product4 Aug 2020US 10,730,087 B2Nippon Steel Corporation
- Method and device for producing metal profiles having a closely toleranced chamber dimension20 Dec 2016US 9,522,418 B2MANNSTAEDT GmbH
- Multifunction rolling mill for H-beam and rolling method of rolling H-beam with multifunction rolling mill27 Nov 2001US 6,321,583 B1Nippon Steel Corporation
- Method for rolling shape steel having flange and web, and rolling mill line for the same2 May 2000US 6,055,837 ANippon Steel Corporation
- Rolling-mill roll of barrel-width adjustable type15 Sep 1998US 5,806,361 ANippon Steel Corporation
- Method for manufacturing a monolithic component13 Mar 2025US 2025/0083835 A1
- Method for producing h-shaped steel and h-shaped steel product15 Mar 2018US 2018/0071801 A1Nippon Steel & Sumitomo Metal Corporation
- Method and device for producing metal profiles having a closely toleranced chamber dimension14 May 2015US 2015/0132597 A1MANNSTAEDT GmbH
Most cited
By later US patents
- Adjustable width rolls for rolling mill14US 5,031,435 AKawasaki Steel Corporation · 1991
- Edging roll for use in making sections having flanges9US 4,966,026 ANippon Steel Corporation · 1990
- Roll with width adjusting function8US 5,154,074 ASumitomo Metal Industries, Ltd. · 1992
- Method of rolling steel shapes and apparatus therefor8US 5,287,715 ASumitomo Metal Industries, Ltd. · 1994
- Rolling method for parallel-flange steel shapes5US 4,958,509 ASumitomo Metal Industries, Ltd. · 1990