B21B 39/24
By tongs or grippers
Official title: by tongs or grippers
B21B39/24 (By tongs or grippers) appears on 10 US grants and 3 published applications in this corpus.
Search patents in B21B- Granted patents
- 10
- Published applications
- 3
- Assignees
- 8
- Inventors
- 12
- Latest grant
- 16 Aug 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 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 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Mandrel with compensating grip16 Aug 2022US 11,413,671 B2
- Handling machine for rails and handling process associated thereto22 Nov 2016US 9,499,874 B2Danieli & C. Officine Meccaniche SpA
- Handling machine for handling rails and handling process thereof11 Mar 2014US 8,668,788 B2Danieli & C. Officine Meccaniche SpA
- Device for tilting rolled stock30 May 1995US 5,419,675 AGFM Gesellschaft fur Fertigungstechnik und Maschinenbau Aktiengesellschaft
- Billet turning device5 Apr 1988US 4,735,549 AHatch Associates Ltd.
- Mandrel With Compensating Grip28 May 2020US 2020/0164418 A1
- Handling maschine for rails and handling process associated thereto9 Feb 2012US 2012/0034053 A1Danieli & C. Officne Meccanche S.P.A.
- Handling machine for handling rails and handling process thereof10 Nov 2011US 2011/0272867 A1Danieli & C. Officine Meccaniche SpA
Most cited
By later US patents
- Manipulator12US 4,381,169 AMuhr und Bender KG · 1983
- Billet turning mechanism5US 4,368,815 AWhite Consolidated Industries, Inc. · 1983
- Mechanical turning device for structural shapes2US 3,933,253 A1976
- Manipulator for rolling mill1US 4,019,361 ASiftelsen for Metallurgisk Forskning · 1977
- Device for tilting rolled stock1US 5,419,675 AGFM Gesellschaft fur Fertigungstechnik und Maschinenbau Aktiengesellschaft · 1995