B21C 37/108
Without continuous longitudinal movement of the sheet during the bending operation
Official title: {without continuous longitudinal movement of the sheet during the bending operation}
B21C37/108 (Without continuous longitudinal movement of the sheet during the bending operation) appears on 18 US grants and 16 published applications in this corpus.
Search patents in B21C- Granted patents
- 18
- Published applications
- 16
- Assignees
- 16
- Inventors
- 42
- Latest grant
- 24 Dec 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 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 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 2 | 3 |
| 2005 | 0 | 0 |
| 2006 | 2 | 4 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 1 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 2 |
| 2021 | 1 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
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- Lockseaming process and apparatus for same2 Mar 2010US 7,669,448 B1
- Thin-walled pipe, metallic flat material and method for producing a thin-walled pipe23 Jan 2025US 2025/0027583 A1Scherdel Innotec Forschungs-Und Entwicklungs-GmbH
- Cylindrical body and apparatus30 Mar 2023US 2023/0097168 A1Canon Kabushiki Kaisha
- Metal plate and method of producing tubular body26 Mar 2020US 2020/0094302 A1Canon Kabushiki Kaisha
- Automatic Precision Clinching System for Manufacturing Sheet Metal Tubes16 Jan 2020US 2020/0016646 A1
- Method and system for manufacturing metal-plated steel pipe13 Dec 2012US 2012/0315398 A1Daiwa Steel Tube Industries Co., Ltd.
Most cited
By later US patents
- Apparatus and method for forming seamed tube25US 4,513,596 AEagle Precision Tool Ltd. · 1985
- Sheet metal casing for a small electric motor17US 5,426,337 AJidosha Denki Kogyo Kabushiki Kaisha · 1995
- Method for forming endoscopic instrument body17US 6,202,465 B1Micro Stamping Corporation · 2001
- Seam closing apparatus16US 6,981,398 B2Met-Coil Systems Corporation · 2006
- Silencer shell forming apparatus9US 5,943,891 ASango Co., Ltd. · 1999