B21D 28/08
Zig-zag sequence working
B21D28/08 (Zig-zag sequence working) appears on 9 US grants and 7 published applications in this corpus.
Search patents in B21D- Granted patents
- 9
- Published applications
- 7
- Assignees
- 8
- Inventors
- 28
- Latest grant
- 1 Mar 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 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 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 2 | 2 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 2 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Flange projection control system and method1 Mar 2022US 11,260,445 B2EKL Machine Company
- Flange projection control system and method22 Oct 2019US 10,449,594 B2EKL Machine Company
- Method of joining strip-shaped sheets6 Aug 2019US 10,369,615 B2Toshiba Industrial Products and Systems Corporation
- Load center bus having integral stabs with formed shapes6 Sep 2016US 9,437,991 B2Schneider Electric USA, Inc.
- Element blanking apparatus and method3 May 2016US 9,327,339 B2Aisin Aw Co., Ltd.
- Process for manufacturing vehicle parts24 Sep 2026US 2026/0284733 A1
- Flange projection control system and method13 Feb 2020US 2020/0047238 A1EKL Machine Company
- Method of joining strip-shaped sheets31 May 2018US 2018/0147619 A1Toshiba Industrial Products and Systems Corporation
- Flange projection control system and method12 May 2016US 2016/0129494 A1EKL Machine Company
- Load center bus having integral stabs with formed shapes14 Jan 2016US 2016/0013600 A1Schneider Electric USA, Inc.
Most cited
By later US patents
- Method for removing workpart blanks from sheet-metal strip7US 5,123,271 AHMS Products Co. · 1992
- Blanking machine for blanking holes in sheet of metal5US 4,241,632 AKabushiki Kaisha Komatsu Seisakusho · 1980
- Flange projection control system and method2US 10,449,594 B2EKL Machine Company · 2019
- Zigzag feeder for blanking machine2US 4,506,574 AKabushiki Kaisha Komatsu Seisakusho · 1985
- Element blanking apparatus and method2US 9,327,339 B2Aisin Aw Co., Ltd. · 2016