B21B 31/28
By toggle-lever mechanisms
Official title: by toggle-lever mechanisms
B21B31/28 (By toggle-lever mechanisms) appears on 15 US grants and 4 published applications in this corpus.
Search patents in B21B- Granted patents
- 15
- Published applications
- 4
- Assignees
- 13
- Inventors
- 30
- Latest grant
- 31 Aug 2010
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 5 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Device for adapting working rolls to a rolling line31 Aug 2010US 7,784,321 B2SMS Siemag Aktiengesellschaft
- Bar speed changing device14 Jul 2009US 7,559,220 B2Danieli & C. Officine Meccanicite S.p.A.
- Pinch roll unit26 Jul 2005US 6,920,772 B1Morgan Construction Company
- Method of and rolling mill train for producing bar-shaped rolled products20 Mar 2001US 6,202,459 B1SMS Schloemann-Siemag Aktiengesellschaft
- Eccentric-journal mount for rolling-frame support shafts23 Nov 1999US 5,987,954 ASMS Schloemann-Siemag Aktiengesellschaft
- Rolling mill equipped with a device for adjusting the inclination of the spray bar11 Jul 2024US 2024/0226979 A1Fives Dms
- Roller device with adjuster device15 Sep 2011US 2011/0219835 A1SMS Siemag Aktiengesellschaft
- Device for Adapting Working Rolls to a Rolling Line12 Mar 2009US 2009/0064750 A1SMS Siemag Aktiengesellschaft
- Bar Speed Changing Device6 Dec 2007US 2007/0277576 A1Danieli & C. Officine Meccaniche SpA
Most cited
By later US patents
- Cassette-type roll stand for a two-high roll pair5US 5,875,671 ASMS Schloemann-Siegmag Aktiengesellschaft · 1999
- Method of and rolling mill train for producing bar-shaped rolled products4US 6,202,459 B1SMS Schloemann-Siemag Aktiengesellschaft · 2001
- Pinch roll unit4US 6,920,772 B1Morgan Construction Company · 2005
- Method of rolling dough3US 4,876,098 ASeewer AG · 1989
- Roll stand with backing rolls and work rolls3US 5,809,821 AMannesmann Aktiengesellschaft · 1998