B21B 1/20
In a non-continuous process
Official title: in a non-continuous process,(e.g. skew rolling, i.e. planetary cross rolling)
B21B1/20 (In a non-continuous process) appears on 23 US grants and 7 published applications in this corpus.
Search patents in B21B- Granted patents
- 23
- Published applications
- 7
- Assignees
- 18
- Inventors
- 53
- Latest grant
- 9 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 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 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 3 |
| 2021 | 1 | 0 |
| 2022 | 2 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 2 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Cross-rolling unit and method for setting the roll pass of a cross-rolling unit9 Dec 2025US 12,491,549 B2SMS group GmbH
- Rolling mechanism, skew rolling mill and method for rolling ultrafine-grained M50NiL rod16 Sep 2025US 12,415,214 B2Anhui Dongyun Intelligent Rolling Equipment Co., Ltd.
- Corrugated skew rolling preparation method of magnesium alloy bar with gradient structure8 Oct 2024US 12,109,598 B1Taiyuan University of Technology
- Device and method for forming shaft part by two-roller flexible skew rolling1 Nov 2022US 11,484,924 B2University of Science and Technology Beijing
- Cross-rolling mill2 Aug 2022US 11,400,498 B2SMS group GmbH
- Driving force transmission mechanism and method for operating driving force transmission mechanism7 Nov 2024US 2024/0367208 A1Jfe Steel Corporation
- Rolling mechanism, skew rolling mill and method for rolling ultrafine-grained m50nil rod13 Jun 2024US 2024/0189880 A1Anhui Dongyun Intelligent Rolling Equipment Co., Ltd.
- Cross-rolling unit and method for setting the roll pass of a cross-rolling unit27 Oct 2022US 2022/0339683 A1SMS group GmbH
- Device and method for forming shaft part by two-roller flexible skew rolling5 Nov 2020US 2020/0346262 A1University of Science and Technology Beijing
- Cross-rolling mill18 Jun 2020US 2020/0188973 A1SMS group GmbH
Most cited
By later US patents
- Method for manufacturing tubes7US 4,876,870 AOutokumpu Oy · 1989
- Rolling mill6US 3,930,395 ASchloemann-Siemag Aktiengesellschaft · 1976
- Elongated tungsten heavy metal aritcle and method for producing same6US 4,749,410 AGTE Products Corporation · 1988
- Arrangement for inclined rolling of tube-shaped or bar shaped rolling products6US 6,792,781 B1Kocks Technik GmbH & Co. · 2004
- Method of manufacturing hollow rods5US 4,510,787 ASumitomo Metal Industries, Ltd. · 1985