B21D 9/07
With one or more swinging forming members engaging tube ends only
Official title: with one or more swinging forming members engaging tube ends only
B21D9/07 (With one or more swinging forming members engaging tube ends only) appears on 69 US grants and 38 published applications in this corpus.
Search patents in B21D- Granted patents
- 69
- Published applications
- 38
- Assignees
- 45
- Inventors
- 105
- Latest grant
- 30 Apr 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 6 |
| 2005 | 1 | 4 |
| 2006 | 7 | 3 |
| 2007 | 3 | 1 |
| 2008 | 1 | 2 |
| 2009 | 1 | 2 |
| 2010 | 1 | 1 |
| 2011 | 0 | 1 |
| 2012 | 4 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 0 | 3 |
| 2017 | 1 | 0 |
| 2018 | 2 | 1 |
| 2019 | 1 | 0 |
| 2020 | 1 | 2 |
| 2021 | 0 | 3 |
| 2022 | 5 | 3 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Mandrel, bent tube, and method and apparatus for producing bent tube30 Apr 2024US 11,969,779 B2Nippon Steel Corporation
- Manufacturing device for bent pipe and method of manufacturing bent pipe27 Dec 2022US 11,534,814 B2Futaba Industrial Co., Ltd.
- Manufacturing device for bent pipe and method of manufacturing bent pipe4 Oct 2022US 11,458,521 B2Futaba Industrial Co., Ltd.
- Device for manufacturing bent pipe and method for manufacturing bent pipe28 Jun 2022US 11,370,011 B2Futaba Industrial Co., Ltd.
- Manufacturing device for bent pipe and method of manufacturing bent pipe31 May 2022US 11,344,940 B2Futaba Industrial Co., Ltd.
- Mandrel assembly for a tube bending machine27 Nov 2025US 2025/0360548 A1Blm S.P.A.
- A method of manufacturing a double-walled elbow pipe segment, a pipe assembly29 Aug 2024US 2024/0288099 A1Pipeflex Systems Ltd
- Value stream process for roll forming and bobbin tool friction stir welding aluminum sheet to form vehicle structural rails24 Nov 2022US 2022/0371071 A1Ford Global Technologies, LLC
- Mandrel, Bent Tube, and Method and Apparatus for Producing Bent Tube7 Jul 2022US 2022/0212240 A1Nippon Steel Corporation
- Manufacturing device for bent pipe and method of manufacturing bent pipe19 May 2022US 2022/0152681 A1Futaba Industrial Co., Ltd.
Most cited
By later US patents
- Mandrel assembly for tube-bending apparatus29US 6,155,091 AArvin Industries, Inc. · 2000
- Method and apparatus for bulge forming and bending tubes25US 5,823,031 ATools for Bending, Inc. · 1998
- Method of and apparatus for bending a double pipe21US 4,009,601 AK.K. Shimizu Seisakusho · 1977
- Precision bending apparatus and process21US 4,732,025 AAP Industries, Inc. · 1988
- Method for eliminating distortion at the end of a tube bend20US 4,481,803 ATeledyne Industries, Inc. · 1984