B21B 39/06
Pushing or forcing work into pass
B21B39/06 (Pushing or forcing work into pass) appears on 16 US grants and 7 published applications in this corpus.
Search patents in B21B- Granted patents
- 16
- Published applications
- 7
- Assignees
- 14
- Inventors
- 38
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 2 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Billet rolling mill equipped with a manipulator subassembly and method for controlling such a rolling mill25 Nov 2025US 12,479,017 B2Forge Pat GmbH
- Method for rolling metal wire or rod with assistance of combined static magnetic field2 Feb 2021US 10,906,076 B2Jiangsu University
- Roller leveler and plate flattening method using the same12 Jul 2016US 9,387,526 B2Jp Steel Plantech Co.
- Flat metal alignment system and method14 Jul 2015US 9,079,231 B2Danieli & C. Officine Meccaniche SpA
- Pusher device for piercing and rolling and method of manufacturing seamless pipe or tube using the same20 Sep 2011US 8,020,421 B2Sumitomo Metal Industries, Ltd.
- Work roll balance force setting method and rolling mill running method, rolling mill running switching method, and rolling mill19 Dec 2024US 2024/0416402 A1Primetals Technologies Austria GmbH
- Billet rolling mill equipped with a manipulator subassembly and method for controlling such a rolling mill1 Feb 2024US 2024/0033794 A1Forge Pat GmbH
- Method for rolling metal wire or rod with assistance of combined static magnetic field19 Jul 2018US 2018/0200767 A1Jiangsu University
- Roller leveler and plate flattening method using the same14 May 2015US 2015/0128675 A1Jp Steel Plantech Co.
- Flat metal aligning device21 Feb 2013US 2013/0042661 A1Danieli & C. Officine Meccaniches S.p.A.
Most cited
By later US patents
- Pipe bending machine17US 4,000,636 A1977
- Roller-dies-processing method and apparatus8US 4,343,167 AAichi Steel Works, Ltd. · 1982
- Billet centering and control guide for the entry guide of a press-piercing mill8US 4,470,285 AInnse Innocenti Santeustacchio S.p.A. · 1984
- Roller-dies-processing method and apparatus5US 4,283,930 AAichi Steel Works, Ltd. · 1981
- Method of rolling a metal workpiece4US 4,307,595 ANippon Steel Corporation · 1981