B21D 11/20
Bending sheet metal, not otherwise provided for
B21D11/20 (Bending sheet metal, not otherwise provided for) appears on 172 US grants and 147 published applications in this corpus.
Search patents in B21D- Granted patents
- 172
- Published applications
- 147
- Assignees
- 131
- Inventors
- 352
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 5 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 0 |
| 2002 | 5 | 8 |
| 2003 | 4 | 4 |
| 2004 | 5 | 7 |
| 2005 | 2 | 7 |
| 2006 | 3 | 7 |
| 2007 | 2 | 2 |
| 2008 | 5 | 5 |
| 2009 | 2 | 4 |
| 2010 | 2 | 4 |
| 2011 | 3 | 2 |
| 2012 | 3 | 4 |
| 2013 | 3 | 6 |
| 2014 | 1 | 3 |
| 2015 | 4 | 7 |
| 2016 | 2 | 9 |
| 2017 | 5 | 11 |
| 2018 | 7 | 10 |
| 2019 | 9 | 10 |
| 2020 | 8 | 10 |
| 2021 | 12 | 9 |
| 2022 | 5 | 5 |
| 2023 | 9 | 7 |
| 2024 | 8 | 3 |
| 2025 | 3 | 2 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Sheet material forming17 Mar 2026US 12,576,440 B2Hadley Industries Overseas Holdings Limited
- Mobile machine tool3 Mar 2026US 12,564,873 B2Picum Mt GmbH
- Curved blade, preparation method thereof, and centrifugal impeller comprising the same10 Feb 2026US 12,546,325 B2Zhongshan Yibisi Technology Co., Ltd.
- Container and method for producing a container15 Jul 2025US 12,358,684 B2
- Device and method for making efficient Y-pipes20 May 2025US 12,303,962 B2ROLLS-ROYCE plc
- Linear pass incremental sheet metal forming6 Aug 2026US 2026/0225146 A1Ohio State Innovation Foundation
- Mesh container and method for producing a mesh container6 Feb 2025US 2025/0042604 A1Elfa International AB
- Curved blade, preparation method thereof, and centrifugal impeller comprising the same6 Feb 2025US 2025/0043685 A1Zhongshan Yibisi Technology Co., Ltd.
- Sheet material forming5 Sep 2024US 2024/0293858 A1Hadley Industries Overseas Holdings Limited
- Calculation method for heating plan, program, recording medium, device, deformation method, plate deformation device, and production method for deformed plate9 May 2024US 2024/0149321 A1University Public Corporation Osaka
Most cited
By later US patents
- Tubular structures and knurling systems and methods of manufacture and use thereof118US 9,933,092 B2Deflecto, LLC · 2018
- Method and apparatus for sheet-metal processing79US 5,359,872 AOkuma Corporation · 1994
- Method of bending sheet metal to form three-dimensional structures56US 6,640,605 B2Milgo Industrial, Inc. · 2003
- Method and apparatus for flexible manufacturing a discrete curved product from feed stock47US 6,813,923 B2Trico Products Corporation · 2004
- Method and apparatus for flexible manufacturing a discrete curved product from feed stock44US 6,622,540 B2Trico Products Corporation · 2003