B21D 7/025
And pulling or pushing the ends of the work
Official title: and pulling or pushing the ends of the work
B21D7/025 (And pulling or pushing the ends of the work) appears on 59 US grants and 30 published applications in this corpus.
Search patents in B21D- Granted patents
- 59
- Published applications
- 30
- Assignees
- 42
- Inventors
- 147
- Latest grant
- 24 Dec 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 5 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 3 |
| 2003 | 2 | 1 |
| 2004 | 2 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 2 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 0 | 3 |
| 2017 | 2 | 1 |
| 2018 | 2 | 2 |
| 2019 | 0 | 1 |
| 2020 | 1 | 5 |
| 2021 | 1 | 5 |
| 2022 | 3 | 2 |
| 2023 | 3 | 0 |
| 2024 | 2 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electric-resistance-welded steel pipe for producing hollow stabilizer, hollow stabilizer, and method for producing same24 Dec 2024US 12,172,487 B2Jfe Steel Corporation
- Mandrel, bent tube, and method and apparatus for producing bent tube30 Apr 2024US 11,969,779 B2Nippon Steel Corporation
- Bender for bending a workpiece with automatic springback compensation5 Dec 2023US 11,833,572 B2Greenlee Tools, Inc.
- Bend pipe and method for manufacturing same1 Aug 2023US 11,712,727 B2Noritz Corporation
- Powered bender28 Feb 2023US 11,590,548 B2ECM Industries, LLC
- Integrated variable-axis free-bend forming apparatus for tubes14 May 2026US 2026/0131372 A1Zhejiang University
- Mandrel, Bent Tube, and Method and Apparatus for Producing Bent Tube7 Jul 2022US 2022/0212240 A1Nippon Steel Corporation
- Adjustment device20 Jan 2022US 2022/0016682 A1Samsung Electronics Co., Ltd.
- Bender for bending a workpiece with automatic springback compensation9 Sep 2021US 2021/0276064 A1Greenlee Tools, Inc.
- Electric-resistance-welded steel pipe for producing hollow stabilizer, hollow stabilizer, and method for producing same2 Sep 2021US 2021/0268862 A1Jfe Steel Corporation
Most cited
By later US patents
- Method and apparatus for continuous bending of elongated materials37US 4,061,005 ADaiichi Koshuha Kogyo Kabushiki Kaisha · 1977
- Metal bending methods and apparatus21US 4,062,216 ADaiichi Koshuha Kogyo Kabushiki Kaisha · 1977
- Method and apparatus for manufacturing a stabilizer bar21US 5,491,996 AImatra Steel OY AB · 1996
- Means and method for reducing radius expansion in the bending of elongated materials15US 4,122,697 ADaiichi Koshuha Kogya Kabushiki Kaisha · 1978
- Method and apparatus for bending elongate workpieces, particularly pipes15US 4,596,128 ACojafex B.V. · 1986