B21B 21/06
Devices for revolving work between the steps
B21B21/06 (Devices for revolving work between the steps) appears on 13 US grants and 4 published applications in this corpus.
Search patents in B21B- Granted patents
- 13
- Published applications
- 4
- Assignees
- 10
- Inventors
- 33
- Latest grant
- 13 Apr 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 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 | 2 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Cold pilger rolling mill and method for producing a pipe13 Apr 2021US 10,974,295 B2Sandvik Materials Technology Deutschland GmbH
- Feed drive for a cold pilgering mill18 Dec 2018US 10,155,257 B2Sandvik Materials Technology Deutschland GmbH
- Method for producing ultrathin-wall seamless metal tube by cold rolling method10 Sep 2013US 8,528,378 B2Nippon Steel & Sumitomo Metal Corporation
- Method for controlling a hydraulic rotary and feed drive for a cold pilger rolling mill10 Jul 2001US 6,257,040 B1SMS Demag AG
- Method and apparatus for cold rolling tubes13 Jul 1999US 5,921,128 AMannesmann Aktiengesellschaft
- Shaving system17 Jul 2025US 2025/0229445 A1Wenzhou Meibo Technology Co., Ltd.
- Cold pilger rolling mill and method for producing a pipe23 May 2019US 2019/0151916 A1Sandvik Materials Technology Deutschland GmbH
- Feed drive for a cold pilgering mill24 May 2012US 2012/0125066 A1Sandvik Materials Technology Deutschland GmbH
- Method for producing ultrathin-wall seamless metal tube by cold rolling method16 Feb 2012US 2012/0036911 A1Sumitomo Metal Industries, Ltd.
Most cited
By later US patents
- Method for pilger rolling of tubes and mill for effecting same11US 4,184,352 AMoskovsky Institut Stali i Splavov · 1980
- Method permitting the increase of operations of cold pilger mills and an apparatus for the embodiment of this method10US 4,658,617 AVallourec · 1987
- Cold pilgrim rolling5US 5,125,253 AMannesmann Aktiengesellschaft · 1992
- Method of pilger rolling of tubes4US 4,203,309 A1980
- Method permitting the increase of operations of cold pilger mills and an apparatus for the embodiment of this method3US 4,713,955 AVallourec · 1987