B21D 5/00
Bending sheet metal along straight lines
Official title: Bending sheet metal along straight lines, e.g. to form simple curves (B21D11/06 - B21D11/18 take precedence; corrugating sheet metal B21D13/00; as edge treatment B21D19/00)
B21D5/00 (Bending sheet metal along straight lines) appears on 2,158 US grants and 1,713 published applications in this corpus.
Search patents in B21D- Granted patents
- 2,158
- Published applications
- 1,713
- Assignees
- 968
- Inventors
- 3,480
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 27 | 0 |
| 1977 | 30 | 0 |
| 1978 | 25 | 0 |
| 1979 | 24 | 0 |
| 1980 | 18 | 0 |
| 1981 | 14 | 0 |
| 1982 | 29 | 0 |
| 1983 | 21 | 0 |
| 1984 | 24 | 0 |
| 1985 | 34 | 0 |
| 1986 | 37 | 0 |
| 1987 | 27 | 0 |
| 1988 | 31 | 0 |
| 1989 | 25 | 0 |
| 1990 | 28 | 0 |
| 1991 | 35 | 0 |
| 1992 | 30 | 0 |
| 1993 | 31 | 0 |
| 1994 | 39 | 0 |
| 1995 | 25 | 0 |
| 1996 | 38 | 0 |
| 1997 | 30 | 0 |
| 1998 | 53 | 0 |
| 1999 | 66 | 0 |
| 2000 | 44 | 0 |
| 2001 | 49 | 15 |
| 2002 | 40 | 43 |
| 2003 | 49 | 63 |
| 2004 | 53 | 61 |
| 2005 | 44 | 46 |
| 2006 | 45 | 37 |
| 2007 | 29 | 44 |
| 2008 | 29 | 64 |
| 2009 | 23 | 53 |
| 2010 | 41 | 48 |
| 2011 | 28 | 66 |
| 2012 | 40 | 53 |
| 2013 | 45 | 65 |
| 2014 | 47 | 74 |
| 2015 | 56 | 99 |
| 2016 | 67 | 74 |
| 2017 | 82 | 98 |
| 2018 | 61 | 86 |
| 2019 | 83 | 87 |
| 2020 | 68 | 94 |
| 2021 | 80 | 87 |
| 2022 | 73 | 90 |
| 2023 | 77 | 85 |
| 2024 | 75 | 76 |
| 2025 | 58 | 62 |
| 2026 | 31 | 43 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B21D 5/02On press brakes without making use of clamping means727
- B21D 5/06Bending sheet metal along straight lines: by drawing procedure making use of555
- B21D 5/04On brakes making use of clamping means on one side of the351
- B21D 5/01Between rams and anvils or abutments242
- B21D 5/14Bending sheet metal along straight lines: by passing between rollers154
- B21D 5/004Bending sheet metal along straight lines: with program control120
- B21D 5/002Positioning devices116
- B21D 5/16Folding105
All 10 subgroupsShow fewer
Recent patents
- Method of fabricating metal mask6 Oct 2026US 12,752,329 B2Darwin Precisions Corporation
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- Bending machine and method for processing a workpiece by means of a bending machine6 Oct 2026US 12,752,333 B2EVOBEND GmbH
- Method for producing a recess using a bending machine, and bending machine configured for this purpose29 Sep 2026US 12,746,589 B2EVOBEND GmbH
- Apparatus for shaping an advancing formable sheet and method of making the apparatus1 Sep 2026US 12,722,195 B2Kwm Gutterman Inc.
- Steel pipe out-of-roundness prediction method, steel pipe out-of-roundness control method, steel pipe manufacturing method, steel pipe out-of-roundness prediction model generation method, and steel pipe out-of-roundness prediction device8 Oct 2026US 2026/0307127 A1Jfe Steel Corporation
- Metal processing method and metal processing system3 Sep 2026US 2026/0257263 A1H-One Co., Ltd.
- A method of reshaping a workpiece, a primary side pressing device, a secondary side pressing device and an arrangement for reshaping a workpiece3 Sep 2026US 2026/0257264 A1Stilfold AB
- Bending machine27 Aug 2026US 2026/0249340 A1Odfjell Oceanwind AS
- Information processor and information processing method27 Aug 2026US 2026/0252038 A1Murata Machinery, Ltd.
Most cited
By later US patents
- Tubular structures and knurling systems and methods of manufacture and use thereof118US 9,933,092 B2Deflecto, LLC · 2018
- Isothermal metal forming apparatus89US 3,988,913 AInternational Harvester Company · 1976
- Method for uniting an exhaust treatment body with its housing and an exhaust treatment apparatus81US 5,683,660 AJ. Eberspächer GmbH & Co. KG · 1997
- Method and apparatus for sheet-metal processing79US 5,359,872 AOkuma Corporation · 1994
- Method for precision bending of a sheet of material and slit sheet therefor75US 6,481,259 B1Castle Company · 2002