B21D 9/14
Wrinkle-bending, i.e. bending by corrugating
B21D9/14 (Wrinkle-bending, i.e. bending by corrugating) appears on 7 US grants and 6 published applications in this corpus.
Search patents in B21D- Granted patents
- 7
- Published applications
- 6
- Assignees
- 4
- Inventors
- 21
- Latest grant
- 19 Apr 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 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 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 2 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Impact absorbing member and method for manufacturing impact absorbing member19 Apr 2022US 11,306,796 B2Toyota Jidosha Kabushiki Kaisha
- Method and device for determining the spatial geometry of a curved extruded profile10 Feb 2009US 7,489,412 B2Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
- Method and device for bending a cylindrical tube or the like29 May 2007US 7,222,512 B2
- Curved wall and ceiling frame member and method and apparatus for producing the same31 Oct 2000US 6,138,359 A
- Method and apparatus for bending corrugated pipe14 Aug 1984US 4,464,923 A
- Impact absorbing member and method for manufacturing impact absorbing member24 Jun 2021US 2021/0190168 A1Toyota Jidosha Kabushiki Kaisha
- Round metal pipe, heat exchanger provided with same, pipe bender, and method for bend-processing round metal pipe5 Nov 2020US 2020/0348085 A1Noritz Corporation
- Apparatus for making an adaptor which is used in heating and ventilation systems9 Apr 2015US 2015/0096347 A1
- Method and device for determining the spatial geometry of a curved extruded profile23 Dec 2004US 2004/0257589 A1Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
- Method and device for bending a cylindrical tube or the like25 Nov 2004US 2004/0231394 A1
Most cited
By later US patents
- Method and apparatus for bending corrugated pipe10US 4,464,923 A1984
- Apparatus for bending corrugated pipe8US 4,205,544 AH. C. Price Co. · 1980
- Curved wall and ceiling frame member and method and apparatus for producing the same6US 6,138,359 A2000
- Device for bending thin-walled pipes5US 4,007,622 A1977
- Impact absorbing member and method for manufacturing impact absorbing member1US 11,306,796 B2Toyota Jidosha Kabushiki Kaisha · 2022