B21D 9/125
By pushing through a curved die
Official title: {by pushing through a curved die}
B21D9/125 (By pushing through a curved die) appears on 17 US grants and 9 published applications in this corpus.
Search patents in B21D- Granted patents
- 17
- Published applications
- 9
- Assignees
- 16
- Inventors
- 35
- Latest grant
- 1 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 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 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 2 |
| 2017 | 1 | 1 |
| 2018 | 1 | 1 |
| 2019 | 1 | 2 |
| 2020 | 1 | 0 |
| 2021 | 2 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Push-bending forming device and method for titanium alloy tubes1 Apr 2025US 12,263,519 B2Nanchang Hangkong University
- Bending tools and methods of use thereof12 Nov 2024US 12,138,679 B2Smith & Nephew Asia Pacific Pte. Limited
- Differential temperature push bending method and device for tube with small bending radius30 Nov 2021US 11,185,904 B2Nanchang Hangkong University (NCHU)
- Method for producing pipe material9 Nov 2021US 11,167,335 B2Mitsubishi Heavy Industries, Ltd.
- Machine for working ribbon-shaped elements10 Mar 2020US 10,583,474 B2Byte Line Di Pelissero Alessandro
- Push-bending forming device and method for titanium alloy tubes5 Dec 2024US 2024/0399436 A1Nanchang Hangkong University
- Bending tools and methods of use thereof26 May 2022US 2022/0161306 A1Smith & Nephew, Inc.
- Differential temperature push bending method and device for tube with small bending radius25 Jul 2019US 2019/0224736 A1Nanchang Hangkong University (NCHU)
- Method for producing pipe material and mandrel11 Apr 2019US 2019/0105695 A1Mitsubishi Heavy Industries, Ltd.
- Methods for bending thin-walled tubes7 Jun 2018US 2018/0154415 A1
Most cited
By later US patents
- Adjustable cutoff apparatus31US 5,305,625 AShape Corp. · 1994
- Exterior mandrel for multiaxis bender5US 5,272,905 AGeneral Motors Corporation · 1993
- Method and apparatus for manufacturing curved pipe3US 4,876,872 AKabushiki Kaisha Asahi Kinzoku Kogyosho · 1989
- Method for making an irregularly shaped drawn tube3US 5,129,247 AMuskegon Automation Equipment, Inc. · 1992
- Pusher apparatus for multi-axis tube bender3US 5,195,343 AGeneral Motors Corporation · 1993