B23D 31/02
Shearing machines or shearing devices covered by none or more than one
Official title: for performing different cutting operations on travelling stock, e.g. slitting and severing simultaneously
B23D31/02 (Shearing machines or shearing devices covered by none or more than one) appears on 12 US grants and 7 published applications in this corpus.
Search patents in B23D- Granted patents
- 12
- Published applications
- 7
- Assignees
- 9
- Inventors
- 33
- Latest grant
- 10 Sep 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 2 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 1 |
| 2020 | 1 | 0 |
| 2021 | 1 | 1 |
| 2022 | 1 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Steel plate double-pre-stacking system for single shear line, and stacking method thereof10 Sep 2024US 12,083,608 B2Baosteel Zhanjiang Iron & Steel Co., Ltd.
- Flexible duct connector processing system13 Dec 2022US 11,525,601 B2Production Products, Inc.
- Production line for recycling and processing waste materials of steel rolling26 Jan 2021US 10,898,902 B2Taiyuan University of Science and Technology
- Plunge slitting with enhanced scrap threading capability using notching shears10 Mar 2020US 10,583,503 B2Butech Bliss
- Method and system for combined shearing of steel plate30 May 2017US 9,662,723 B2Baoshan Iron & Steel Co., Ltd.
- Steel plate double-pre-stacking system for single shear line, and stacking method thereof6 Oct 2022US 2022/0314347 A1Baosteel Zhanjiang Iron & Steel Co., Ltd.
- Flexible duct connector processing system15 Jul 2021US 2021/0215386 A1Production Products, Inc.
- Production line for recycling and processing waste materials of steel rolling20 Jun 2019US 2019/0184405 A1Taiyuan University of Science and Technology
- Plunge slitting with enhanced scrap threading capability using notching shears19 Jul 2018US 2018/0200809 A1Butech, Inc.
- Method and system for combined shearing of steel plate31 Mar 2016US 2016/0089731 A1Baoshan Iron & Steel Co., Ltd.
Most cited
By later US patents
- Press for punching and cutting plate-shaped workpieces, especially sheet metal workpieces22US 4,250,784 AC. Behrens AG · 1981
- Method for dismantling potentially contaminated tubes from a tube bundle7US 5,276,965 AThe Atlantic Group, Inc. · 1994
- Apparatus for making self-gripping air turning vanes5US 6,370,773 B12002
- Apparatus for dismantling potentially contaminated tubes from a tube bundle4US 5,293,682 AThe Atlantic Group, Inc. · 1994
- Angle shears with divided shear cutting members3US 3,971,281 A1976