B23D 25/12
Shearing machines with blades on coacting rotating drums
B23D25/12 (Shearing machines with blades on coacting rotating drums) appears on 86 US grants and 36 published applications in this corpus.
Search patents in B23D- Granted patents
- 86
- Published applications
- 36
- Assignees
- 53
- Inventors
- 163
- Latest grant
- 3 Oct 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 5 | 0 |
| 1978 | 5 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 2 |
| 2002 | 2 | 5 |
| 2003 | 0 | 2 |
| 2004 | 5 | 3 |
| 2005 | 1 | 3 |
| 2006 | 5 | 3 |
| 2007 | 1 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 2 | 0 |
| 2011 | 1 | 3 |
| 2012 | 2 | 2 |
| 2013 | 0 | 0 |
| 2014 | 2 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 2 |
| 2017 | 0 | 2 |
| 2018 | 1 | 1 |
| 2019 | 1 | 2 |
| 2020 | 3 | 1 |
| 2021 | 1 | 2 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 1 |
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
- System and method for cutting to length long rolled products coming from different strands of a rolling mill4 May 2021US 10,994,348 B2Primetals Technologies Austria GmbH
- Shearing device25 Aug 2020US 10,751,774 B2Fives Dms
- Device for changing a blade on shears, in particular for a rolled band, and shears with at least one replaceable blade4 Aug 2020US 10,730,121 B2SMS group GmbH
- Single shear for cutting and conveying multiple rolled sections24 Mar 2020US 10,596,643 B2Danieli & C. Officine Meccaniche SpA
- Cutting device for cutting flat metal products and cutting shear for cutting said flat metal products equipped with said device5 Dec 2024US 2024/0399476 A1Danieli & C. Officine Meccaniche SpA
- Device and method for cooling a cross-cutting shear in hot strip mills22 Jul 2021US 2021/0220929 A1SMS group GmbH
- Method for cross-cutting a material web moved along a direction of movement and device therefore27 May 2021US 2021/0154873 A1Andritz Inc.
- Single shear for cutting and conveying multiple rolled sections23 Apr 2020US 2020/0122250 A1Danieli & C. Officine Meccaniche SpA
- Thermal compensating mount for a knife roll in a web processing machine17 Jan 2019US 2019/0016004 A1Elsner Engineering Works, Inc.
Most cited
By later US patents
- Double rotor shear32US 4,034,637 A1977
- Scrap chopper25US 4,004,479 A1977
- Rotary cutter for cutting a continuous corrugated strip21US 4,685,318 ANippondenso Co., Ltd. · 1987
- Rotary drum type flying shear machine20US 4,058,041 AKawasaki Jukogyo Kabushiki Kaisha · 1977
- Rotary web shearing machine20US 4,183,271 A1980