B21B 39/18
Switches for directing work in metal-rolling mills or trains
B21B39/18 (Switches for directing work in metal-rolling mills or trains) appears on 49 US grants and 30 published applications in this corpus.
Search patents in B21B- Granted patents
- 49
- Published applications
- 30
- Assignees
- 30
- Inventors
- 73
- Latest grant
- 3 Oct 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 2 |
| 2003 | 2 | 1 |
| 2004 | 0 | 2 |
| 2005 | 1 | 3 |
| 2006 | 3 | 0 |
| 2007 | 0 | 2 |
| 2008 | 1 | 3 |
| 2009 | 2 | 0 |
| 2010 | 2 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 13 |
| 2015 | 1 | 0 |
| 2016 | 3 | 1 |
| 2017 | 7 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Single shear for cutting and conveying multiple rolled sections3 Oct 2023US 11,772,174 B2Danieli & C. Officine Meccaniche SpA
- Single shear for cutting and conveying multiple rolled sections24 Mar 2020US 10,596,643 B2Danieli & C. Officine Meccaniche SpA
- Assembly table for building air separation units remotely2 Oct 2018US 10,086,962 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Method for installing a condenser in a remote manufacturing yard14 Nov 2017US 9,815,578 B2L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges
- Yard leveling base and method of using the same29 Aug 2017US 9,745,092 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Single shear for cutting and conveying multiple rolled sections23 Apr 2020US 2020/0122250 A1Danieli & C. Officine Meccaniche SpA
- Single shear for cutting and conveying multiple rolled sections18 Aug 2016US 2016/0236288 A1Danieli & C. Officine Meccaniche SpA
- Method of installing packing in a remote manufacturing yard27 Nov 2014US 2014/0345102 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Method for installing a condenser in a remote manufacturing yard27 Nov 2014US 2014/0345106 A1L' Air Liquide, Societe Anonyme pour I' Etude et I'Exploitation des Procedes Georges Claude
- Yard leveling base and method of using the same27 Nov 2014US 2014/0345114 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
Most cited
By later US patents
- Apparatus for cropping, dividing and reducing rolled material at high speed19US 4,176,535 ADemag Aktiengesellschaft · 1979
- Multiple outlet finishing mill13US 5,307,663 AMorgan Construction Company · 1994
- Assembly table for building air separation units remotely11US 10,086,962 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude · 2018
- Very high speed flying shears11US 4,966,060 ADanieli & C. Officine Meccaniche SpA · 1990
- Multiple outlet finishing mill11US 5,893,288 AMorgan Construction Company · 1999