B21B 31/103
Manipulators or carriages therefor
Official title: {Manipulators or carriages therefor}
B21B31/103 (Manipulators or carriages therefor) appears on 72 US grants and 58 published applications in this corpus.
Search patents in B21B- Granted patents
- 72
- Published applications
- 58
- Assignees
- 52
- Inventors
- 142
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 3 |
| 2003 | 0 | 2 |
| 2004 | 2 | 2 |
| 2005 | 2 | 2 |
| 2006 | 0 | 2 |
| 2007 | 1 | 1 |
| 2008 | 3 | 0 |
| 2009 | 0 | 5 |
| 2010 | 1 | 1 |
| 2011 | 0 | 1 |
| 2012 | 2 | 6 |
| 2013 | 7 | 5 |
| 2014 | 1 | 0 |
| 2015 | 3 | 5 |
| 2016 | 1 | 0 |
| 2017 | 5 | 1 |
| 2018 | 1 | 0 |
| 2019 | 1 | 1 |
| 2020 | 1 | 1 |
| 2021 | 1 | 3 |
| 2022 | 3 | 2 |
| 2023 | 0 | 2 |
| 2024 | 1 | 8 |
| 2025 | 0 | 5 |
| 2026 | 5 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Rolling mill stand and method of changing a work roll assembly thereof22 Sep 2026US 12,741,305 B2Primetals Technologies, Limited
- Rack system, rolling plant including such a system and method implemented by such a system26 May 2026US 12,636,770 B2Fives Dms
- Roller exchange mechanism for reduction roll apparatus14 Apr 2026US 12,599,947 B2Prime Planet Energy & Solutions, Inc.
- Device and method for replacing stage roll unit10 Mar 2026US 12,570,069 B2Mitsubishi Heavy Industriesmachinery Systems, Ltd
- Multistage rolling mill and method of changing divided backing bearing assembled shafts in multistage rolling mill10 Feb 2026US 12,544,815 B2Sendzimir Japan, Ltd.
- Modular stand base for stands of a rolling mill20 Nov 2025US 2025/0353057 A1
- Stand change carriage comprising a lifting mechanism20 Nov 2025US 2025/0353060 A1
- Stand change carriage comprising a hydraulic motor20 Nov 2025US 2025/0353061 A1
- Roll rearrangement device and roll rearrangement method20 Mar 2025US 2025/0091108 A1Primetals Technologies Japan, Ltd.
- Dual-grasp tool2 Jan 2025US 2025/0001477 A1Fives Dms
Most cited
By later US patents
- Roll changing device for rolling mill17US 4,435,970 AHitachi, Ltd. · 1984
- Embossing calender for thermoplastics films14US 4,632,655 AHermann Berstorff Maschinenbau GmbH · 1986
- Apparatus for the mounting and removal of the rollers of a roll stand13US 3,979,939 AG. Schwartz & Co. · 1976
- Device for replacing the rolls of rolling stands13US 4,552,007 APomini Farrel S.p.A. · 1985
- Modular rolling mill13US 5,595,083 AMorgan Construction Company · 1997