B21K 27/06
Cutting-off means
Official title: Cutting-off means; Arrangements thereof
B21K27/06 (Cutting-off means) appears on 38 US grants and 13 published applications in this corpus.
Search patents in B21K- Granted patents
- 38
- Published applications
- 13
- Assignees
- 19
- Inventors
- 54
- Latest grant
- 4 Oct 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 6 | 0 |
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 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 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 2 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 1 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 2 |
| 2018 | 1 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 2 |
| 2021 | 1 | 0 |
| 2022 | 2 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Wheel automatic closed die forging production line and aluminum alloy wheel4 Oct 2022US 11,458,528 B2CITIC Dicastal Co., Ltd.
- Multistage press and method for producing a formed part29 Mar 2022US 11,285,526 B2Nedschroef Herentals NV
- Forging method and forging apparatus2 Nov 2021US 11,161,166 B2Bumchun Precision Co., Ltd.
- Method and apparatus for forging heterogeneous material16 Jun 2020US 10,682,683 B2Bumchun Precision Co., Ltd.
- Impact cutoff28 Aug 2018US 10,058,940 B2The National Machinery Company
- Forming Machine Having a Cutting Device14 Aug 2025US 2025/0256318 A1Hatebur Umformmaschinen AG
- Multistage press and method for producing a formed part24 Sep 2020US 2020/0298301 A1Nedschroef Herentals NV
- Wheel automatic closed die forging production line and aluminum alloy wheel16 Jul 2020US 2020/0222971 A1CITIC Dicastal Co., Ltd.
- Forging method and forging apparatus11 Jul 2019US 2019/0210092 A1Bumchun Precision Co., Ltd.
- Impact cutoff6 Apr 2017US 2017/0095866 A1The National Machinery Company
Most cited
By later US patents
- Device for shearing rod sections on an automatic multi-stage cross-fed press10US 4,036,089 AHatebur Umformmaschinen AG · 1977
- Method and an apparatus for shearing heated metal bars to billets9US 4,526,073 A1985
- Bar end dropper for forging machines or the like7US 3,972,211 AThe National Machinery Company · 1976
- Method of and apparatus for automatically discarding the front and rear ends of bars of material7US 4,328,725 AHatebur Umformmaschinen AG · 1982
- Apparatus for the continuous shearing off and cold swaging of metal workpieces6US 4,866,970 A1989