B21D 9/05
Co-operating with forming members
Official title: co-operating with forming members
B21D9/05 (Co-operating with forming members) appears on 96 US grants and 63 published applications in this corpus.
Search patents in B21D- Granted patents
- 96
- Published applications
- 63
- Assignees
- 62
- Inventors
- 147
- Latest grant
- 9 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 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 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 7 |
| 2005 | 1 | 4 |
| 2006 | 7 | 4 |
| 2007 | 5 | 1 |
| 2008 | 1 | 3 |
| 2009 | 2 | 2 |
| 2010 | 1 | 1 |
| 2011 | 0 | 1 |
| 2012 | 4 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 2 | 3 |
| 2016 | 0 | 4 |
| 2017 | 1 | 4 |
| 2018 | 2 | 2 |
| 2019 | 5 | 4 |
| 2020 | 3 | 4 |
| 2021 | 2 | 3 |
| 2022 | 7 | 5 |
| 2023 | 1 | 2 |
| 2024 | 3 | 2 |
| 2025 | 3 | 3 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Bender9 Dec 2025US 12,491,552 B2
- Bending mandril comprising ultra high molecular weight material, related bending machines, systems, and methods25 Nov 2025US 12,479,019 B2Manufacturing Resources International, Inc.
- Bending mandril comprising ultra high molecular weight material, related bending machines, systems, and methods8 Jul 2025US 12,350,730 B1Manufacturing Resources International, Inc.
- Method, system and apparatus for flexible component routing design27 Aug 2024US 12,072,687 B2Ford Global Technologies, LLC
- Mandrel, bent tube, and method and apparatus for producing bent tube30 Apr 2024US 11,969,779 B2Nippon Steel Corporation
- Mandrel assembly for a tube bending machine27 Nov 2025US 2025/0360548 A1Blm S.P.A.
- Bending mandril comprising ultra high molecular weight material, related bending machines, systems, and methods2 Oct 2025US 2025/0303457 A1Manufacturing Resources International, Inc.
- Bending mandril comprising ultra high molecular weight material, related bending machines, systems, and methods3 Jul 2025US 2025/0214128 A1Manufacturing Resources International, Inc.
- A method of manufacturing a double-walled elbow pipe segment, a pipe assembly29 Aug 2024US 2024/0288099 A1Pipeflex Systems Ltd
- Bender23 May 2024US 2024/0165687 A1
Most cited
By later US patents
- Systems and methods for arc and node design and manufacture117US 10,173,255 B2Divergent Technologies, Inc. · 2019
- 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
- Rotary compression bending machine24US 4,524,599 A1985
- Apparatus for bending rectangular tubes24US 4,744,233 AAP Industries, Inc. · 1988