B21D 7/03
Apparatus with means to keep the profile in shape
B21D7/03 (Apparatus with means to keep the profile in shape) appears on 11 US grants and 12 published applications in this corpus.
Search patents in B21D- Granted patents
- 11
- Published applications
- 12
- Assignees
- 10
- Inventors
- 32
- Latest grant
- 5 Sep 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 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 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 4 |
| 2019 | 2 | 0 |
| 2020 | 1 | 0 |
| 2021 | 1 | 2 |
| 2022 | 1 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Machine for bending an elongated workpiece without wrinkling5 Sep 2023US 11,745,244 B2Cml International S. P. A
- Adjustable internal support restraint device for roundness control of cabin component28 Jun 2022US 11,370,564 B2Harbin Institute of Technology
- Method for forming a metal beam or stringer25 May 2021US 11,014,135 B2Nwi Nashville, LLC
- Pet cage and device and method for manufacturing the same13 Oct 2020US 10,799,927 B2
- Dilation apparatus with malleable feature and apparatus to bend malleable feature17 Dec 2019US 10,507,310 B2Acclarent, Inc.
- A method of manufacturing a double-walled elbow pipe segment, a pipe assembly29 Aug 2024US 2024/0288099 A1Pipeflex Systems Ltd
- Machine for bending an elongated workpiece without wrinkling30 Dec 2021US 2021/0402451 A1Cml International S. P. A
- Adjustable internal support restraint device for roundness control of cabin component25 Nov 2021US 2021/0362880 A1Harbin Institute of Technology
- Method for forming a metal beam or stringer6 Dec 2018US 2018/0345346 A1Triumph Aerostructures, LLC
- Machine for bending a thread-like material such as a pipe by way of a system for simultaneously loading a pipe to be bent and unloading a bent pipe31 May 2018US 2018/0147615 A1CRIPPA S.p.A.
Most cited
By later US patents
- Beam bender11US 3,952,572 ACase Western Reserve University · 1976
- Method and apparatus for simultaneous edge bending of stair rail cap stock and channel stock9US 4,055,065 AHossfeld Manufacturing Co. · 1977
- Dilation apparatus with malleable feature and apparatus to bend malleable feature5US 10,507,310 B2Acclarent, Inc. · 2019
- Stringer forming device and methods of using the same2US 10,052,670 B2Triumph Aerostructures, LLC · 2018
- Method of forming sheet metal casket shell2US 8,789,250 B2Batesville Services, Inc. · 2014